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Philips
Philips Electronics
상세내역 : Multiple VOLTAGE REGULATOR with switch

GENERAL DESCRIPTION
The TDA3608 is a multiple output VOLTAGE REGULATOR with a power switch, intended for use in car radios with or without a microcontroller.

FEATURES
General
• Two VP-state controlled REGULATORs (REGULATOR 1 and REGULATOR 3) and a power switch
REGULATOR 2 and reset circuit operate during load dump and thermal shutdown
• Separate control pins for switching REGULATOR 1, REGULATOR 3 and power switch
• Supply VOLTAGE range from −18 to +50 V
• Low reverse current of REGULATOR 2
• Low quiescent current (when REGULATOR 1, REGULATOR 3 and power switch are switched off)
• Hold output circuit for REGULATOR 1 (only valid when REGULATOR 3 output VOLTAGE >1.3 V)
• Reset and hold outputs (open-collector outputs)
• Adjustable reset delay time
• High ripple rejection
• Backup capacitor connection to supply REGULATOR 2 and reset circuit up to 25 V.

Protections
• Reverse polarity safe (down to −18 V without high reverse current)
• Able to withstand VOLTAGEs up to 18 V at the outputs (supply line may be short circuited)
• ESD protection on all pins
• Thermal protection
• Load dump protection
• Foldback current limit protection for REGULATOR 1, REGULATOR 2 and REGULATOR 3
• Delayed foldback current limit protection for power switch (at short-circuit); delay time fixed by reset delay capacitor
• All REGULATOR outputs and power switch are DC short-circuited safe to ground and VP.

 

Philips
Philips Electronics
상세내역 : Multiple VOLTAGE REGULATORs with switch

GENERAL DESCRIPTION
The TDA3608 is a multiple output VOLTAGE REGULATOR with a power switch, intended for use in car radios with or without a microcontroller.

FEATURES
General
• Two VP-state controlled REGULATORs (REGULATOR 1 and REGULATOR 3) and a power switch
REGULATOR 2 and reset circuit operate during load dump and thermal shutdown
• Separate control pins for switching REGULATOR 1, REGULATOR 3 and power switch
• Supply VOLTAGE range from −18 to +50 V
• Low reverse current of REGULATOR 2
• Low quiescent current (when REGULATOR 1, REGULATOR 3 and power switch are switched off)
• Hold output circuit for REGULATOR 1 (only valid when REGULATOR 3 output VOLTAGE >1.3 V)
• Reset and hold outputs (open-collector outputs)
• Adjustable reset delay time
• High ripple rejection
• Backup capacitor connection to supply REGULATOR 2 and reset circuit up to 25 V.

Protections
• Reverse polarity safe (down to −18 V without high reverse current)
• Able to withstand VOLTAGEs up to 18 V at the outputs (supply line may be short circuited)
• ESD protection on all pins
• Thermal protection
• Load dump protection
• Foldback current limit protection for REGULATOR 1, REGULATOR 2 and REGULATOR 3
• Delayed foldback current limit protection for power switch (at short-circuit); delay time fixed by reset delay capacitor
• All REGULATOR outputs and power switch are DC short-circuited safe to ground and VP.

부품명(s) : TDA3618 TDA3618AJR
Philips
Philips Electronics
상세내역 : Multiple VOLTAGE REGULATOR with switch and ignition buffers

GENERAL DESCRIPTION
The TDA3618AJR is a multiple output VOLTAGE REGULATOR with a power switch and ignition buffers, intended for use in car radios with or without a microcontroller. It contains:
• Two fixed VOLTAGE REGULATORs with foldback current protection (REGULATORs 1 and 3) and one fixed VOLTAGE REGULATOR (REGULATOR 2) intended to supply a microcontroller, that also operates during load dump and thermal shutdown
• A power switch with protection, operated by an enable input
• Reset and hold outputs that can be used to interface with the microcontroller; the reset signal can be used to wake up the microcontroller
• A supply pin that can withstand load dump pulses and negative supply VOLTAGEs
REGULATOR 2, which is switched on at a backup VOLTAGE greater than 6.5 V and off when the output VOLTAGE of REGULATOR 2 drops below 1.9 V
• A provision for the use of a reserve supply capacitor that will hold enough energy for REGULATOR 2 (5 V continuous) to allow a microcontroller to prepare for loss of VOLTAGE
• An inverted ignition 1 input with open collector output stage
• An ignition 2 input Schmitt trigger with push-pull output stage.

FEATURES
General
• Extremely low noise behaviour and good stability with very small output capacitors
• Two VP-state controlled REGULATORs and a power switch
REGULATOR 2, reset and ignition buffer operate during load dump and thermal shutdown
• Separate control pins for switching REGULATOR 1, REGULATOR 3 and the power switch
• Supply VOLTAGE range from −18 to +50 V
• Low reverse current of REGULATOR 2
• Low quiescent current when REGULATOR 1, REGULATOR 3 and the power switch are switched off
• Hold output for low VP
• Hold output for REGULATORs 1 and 3
• Hold output for foldback mode switch
• Hold output for load dump and temperature protection
• Reset (push-pull) and hold (open collector) outputs
• Adjustable reset delay time
• High ripple rejection
• Backup capacitor for REGULATOR 2
• Two independent ignition buffers, one inverted and with open collector output.

Protection
• Reverse polarity safe, down to −18 V
• Able to withstand VOLTAGEs up to 18 V at the outputs
   (supply line may be short-circuited)
• ESD protected on all pins
• Thermal protections with hysteresis
• Load dump protection
• Foldback current limit protection for REGULATORs 1, 2 and 3
• Delayed second current limit protection for the power switch at short-circuit
• The REGULATOR outputs and the power switch are DC short-circuit safe to ground and VP.

 

부품명(s) : TDA3618JR TDA3618JR/N1
Philips
Philips Electronics
상세내역 : Multiple VOLTAGE REGULATOR with switch and ignition buffers

GENERAL DESCRIPTION
The TDA3618JR is a multiple output VOLTAGE REGULATOR with a power switch and ignition buffers, intended for use in car radios with or without a microcontroller. It contains:
• Two fixed VOLTAGE REGULATORs with a foldback current protection (REGULATORs 1 and 3) and one fixed VOLTAGE REGULATOR (REGULATOR 2), intended to supply a microcontroller, which also operates during load dump and thermal shutdown
• A power switch with protections, operated by an enable input
• Reset and hold outputs that can be used to interface with the microcontroller. The reset signal can be used to call up the microcontroller.
• A supply pin which can withstand load dump pulses and negative supply VOLTAGEs
REGULATOR 2, which is switched on at a backup VOLTAGE greater than 6.5 V and off when the output VOLTAGE of REGULATOR 2 drops below 1.9 V
• A provision for the use of a reserve supply capacitor that will hold enough energy for REGULATOR 2 (5 V continuous) to allow a microcontroller to prepare for loss of VOLTAGE
• An inverted ignition 1 input with open collector output stage
• An ignition 2 input Schmitt trigger with push-pull output stage.

FEATURES
General
• Extremely low noise behaviour and good stability with very small output capacitors
• Two VP-state controlled REGULATORs (REGULATORs 1 and 3) and a power switch
REGULATOR 2, reset and ignition buffer operate during load dump and thermal shutdown
• Separate control pins for switching REGULATORs (REGULATORs 1 and 3) and the power switch
• Supply VOLTAGE range of −18 to +50 V
• Low reverse current of REGULATOR 2
• Low quiescent current (when REGULATOR 1, REGULATOR 3 and power switch are switched off)
• Hold output for low VP (REGULATORs 1 and 3 off)
• Hold output for REGULATORs 1 and 3
• Hold output for foldback mode switch
• Hold output for load dump and temperature protection
• Reset and hold outputs (open collector outputs)
• Adjustable reset delay time
• High ripple rejection
• backup capacitor for REGULATOR 2
• Two independent ignition buffers (one inverted and with open collector output).

Protections
• Reverse polarity safe (down to −18 V without high reverse current)
• Able to withstand VOLTAGEs up to 18 V at the outputs
   (supply line may be short circuited)
• ESD protected on all pins
• Thermal protections with hysteresis
• Load dump protection
• Foldback current limit protection for REGULATORs 1, 2 and 3
• Delayed second current limit protection for the power switch (at short circuit)
• The REGULATOR outputs and the power switch are DC short circuited safe to ground and VP.

 

Philips
Philips Electronics
상세내역 : Multiple VOLTAGE REGULATOR with switch

GENERAL DESCRIPTION
The TDA3605Q is a multiple output VOLTAGE REGULATOR with a power switch, intended for use in car radios with or without a microcontroller.

FEATURES
• Two VP-state controlled REGULATORs (REGULATOR 1 and REGULATOR 3) and a power switch
REGULATOR 2, reset and ignition buffer operates during load dump and thermal shutdown
• Separate control pins for switching REGULATOR 1, REGULATOR 3 and the power switch
• Supply VOLTAGE range of −18 to +50 V (operating from 11 V)
• Low reverse current of REGULATOR 2
• Low quiescent current (when REGULATOR 1, REGULATOR 3, and power switch are switched off)
• Hold output (only valid when REGULATOR 1 is switched on)
• Reset and hold outputs (open collector outputs)
• Adjustable reset delay time
• High ripple rejection
• Back-up capacitor for REGULATOR 2.

PROTECTIONS
• Reverse polarity safe (down to −18 V without high reverse current)
• Able to withstand VOLTAGEs up to 18 V at the outputs (supply line may be short-circuited)
• ESD protected on all pins
• Thermal protection
• Local thermal protection for power switch
• Load dump protection
• Foldback current limit protection for REGULATORs 1, 2 and 3
• Delayed second current limit protection for the power switch (at short-circuit)
• The REGULATOR outputs and the power switch are DC short-circuited safe to ground and VP.

 

Linear
Linear Technology
상세내역 : 550kHz Synchronous Switching REGULATOR Controller Plus Linear REGULATOR Controller

DESCRIPTION
The LTC®1704/LTC1704B include a high power synchronous switching REGULATOR controller plus a linear REGULATOR controller. The switching REGULATOR controller is designed to drive a pair of N-channel MOSFETs in a VOLTAGE mode, synchronous buck configuration to provide the main supply. The constant frequency, true PWM architecture switches at 550kHz, minimizing external component size, cost and optimizing load transient performance. The LTC1704 features automatic transition to power saving Burst Mode operation at light loads. The LTC1704B does not shift into Burst Mode operation at light loads, eliminating low frequency output ripple at the expense of light load efficiency. The linear REGULATOR controller is designed to drive an external NPN power transistor to provide up to 2A of current to an auxiliary load.

FEATURES
■ Dual Regulated Outputs: One Switching REGULATOR and One Linear REGULATOR
■ Excellent DC Accuracy: ±1.5% for Switcher and ±2% for Linear REGULATOR
■ External N-Channel MOSFET Architecture
■ No External Current Sense Resistor Required
■ Burst Mode® Operation at Light Load (LTC1704)
■ Continuous Switching at Light Load (LTC1704B)
■ Linear REGULATOR with Programmable Current Limit
■ Linear REGULATOR with Programmable Start-Up Delay
■ Low Shutdown Current: <150µA
■ High Efficiency Over Wide Load Current Range
■ PGOOD Flag Monitors Both Outputs
■ Small 16-Pin Narrow SSOP Package

APPLICATIONS
■ Multiple Logic Supply Generator
■ Distributed Power Applications
■ High Efficiency Power Conversion

부품명(s) : TDA3609 TDA3609JR
Philips
Philips Electronics
상세내역 : Multiple VOLTAGE REGULATOR with switch and ignition buffers

GENERAL DESCRIPTION
The TDA3609JR is a multiple output VOLTAGE REGULATOR with a power switch and ignition buffers, intended for use in car radios with or without a microcontroller. It contains:
• Two fixed VOLTAGE REGULATORs with a foldback current protection (REGULATOR 1 and REGULATOR 3) and one fixed VOLTAGE REGULATOR (REGULATOR 2), intended to supply a microcontroller, that also operates during load dump and thermal shutdown
• A power switch with protections, operated by an enable input
• Reset and hold outputs that can be used to interface by the microcontroller. The reset-signal can be used to call up the microcontroller and the hold output indicates REGULATOR 1 VOLTAGE available and within range.

• A supply pin which can withstand load dump pulses and negative supply VOLTAGEs.
REGULATOR 2 that will be switched on at a back-up VOLTAGE greater than 6.5 V and off when the output VOLTAGE of REGULATOR 2 drops below 1.9 V.
• A provision for use of a reserve supply capacitor that will hold enough energy for REGULATOR 2 (5 V continuous) to allow a microcontroller to prepare for loss of VOLTAGE.
• An inverted ignition 1 input with open collector output stage.
• An ignition 2 input Schmitt trigger with push pull output stage.

NXP
NXP Semiconductors.
상세내역 : Multiple VOLTAGE REGULATOR with battery detection

GENERAL DESCRIPTION
The TDA3616 is a low power VOLTAGE REGULATOR. It contains the following:
• One fixed VOLTAGE REGULATOR with a foldback current protection, intended to supply a microprocessor, that also operates during load dump
• A provision for use of a reserve supply capacitor that will hold enough energy for the REGULATOR to allow a microcontroller to prepare for loss of supply VOLTAGE
• Reset signals which can be used to interface with the microprocessor
• A supply pin that can withstand load dump pulses and negative supply VOLTAGEs
• Defined start-up behaviour; REGULATOR will be switched on at a supply VOLTAGE higher than 7.5 V and off when the output VOLTAGE of the REGULATOR drops below 2.4 V.

FEATURES
General
• One VP-state controlled REGULATOR
• Battery detection circuit
REGULATOR, reset and battery outputs operate during load dump
• Supply VOLTAGE range from −18 to +50 V
• Low quiescent current (battery detection switched off)
• High ripple rejection
• Dual reset output
• Backup circuit
• Adjustable reset delay timer.

Protections
• Reverse polarity safe (down to −18 V without high reverse current)
• Able to withstand VOLTAGEs up to 18 V at the output (supply line may be short-circuited)
• ESD protected on all pins
• Load dump protection
• Foldback current limit protection for REGULATOR
• The REGULATOR output is DC short-circuited safe to ground and VP.

Philips
Philips Electronics
상세내역 : Multiple VOLTAGE REGULATOR with battery detection

GENERAL DESCRIPTION
The TDA3616 is a low power VOLTAGE REGULATOR. It contains the following:
• One fixed VOLTAGE REGULATOR with a foldback current protection, intended to supply a microprocessor, that also operates during load dump
• A provision for use of a reserve supply capacitor that will hold enough energy for the REGULATOR to allow a microcontroller to prepare for loss of supply VOLTAGE
• Reset signals which can be used to interface with the microprocessor
• A supply pin that can withstand load dump pulses and negative supply VOLTAGEs
• Defined start-up behaviour; REGULATOR will be switched on at a supply VOLTAGE higher than 7.5 V and off when the output VOLTAGE of the REGULATOR drops below 2.4 V.

FEATURES
General
• One VP-state controlled REGULATOR
• Battery detection circuit
REGULATOR, reset and battery outputs operate during load dump
• Supply VOLTAGE range from −18 to +50 V
• Low quiescent current (battery detection switched off)
• High ripple rejection
• Dual reset output
• Backup circuit
• Adjustable reset delay timer.

Protections
• Reverse polarity safe (down to −18 V without high reverse current)
• Able to withstand VOLTAGEs up to 18 V at the output (supply line may be short-circuited)
• ESD protected on all pins
• Load dump protection
• Foldback current limit protection for REGULATOR
• The REGULATOR output is DC short-circuited safe to ground and VP.

부품명(s) : A4406 A4406KLPTR-T
Allegro
Allegro MicroSystems
상세내역 : Constant On-Time Buck REGULATOR With One External and One Internal Linear REGULATOR

Description
The A4406 is an automotive power management IC that uses a high frequency constant on-time 5.45 V pre-REGULATOR to supply an internal 5 V linear REGULATOR and a 3.3 V linear DMOS driver. Designed to supply CAN and microprocessor power supplies in high temperature environments, the A4406 is ideal for under hood applications. Efficient operation is achieved by using a buck pre-REGULATOR to efficiently drop the input VOLTAGE before supplying the linear REGULATORs; this reduces power dissipation and increases overall REGULATOR efficiency.

Features and Benefits
• AEC Q100 Grade 0 qualified
• Internal buck pre-REGULATOR followed by LDO outputs
• 5.5 to 36 V VIN operating range (50 V maximum);
for start/stop, cold crank, and load dump requirements
• 2.2 MHz constant on-time buck REGULATOR
• 50 V absolute maximum input VOLTAGE for surges
• Valley current sensing achieves shortest buck on-times
• 5.5 to 46 V input VOLTAGE range
• −40ºC to 150ºC junction temperature range
• Power-on reset (NPOR pin) with adjustable rising delay
• 5 V (V5P pin) internal low dropout tracking linear REGULATOR with both overcurrent foldback and short-to-battery protection
• 3.3 V (V33 pin) external linear REGULATOR DMOS driver overcurrent foldback protection
• Logic enable input (ENB pin)
• Ignition enable input (ENBAT pin)
• Ignition status indicator (ENBATS pin)
• Buck pulse-by-pulse overcurrent protection
• Buck LX short circuit protection (latched)
• Missing asynchronous diode protection (latched)
• Switcher (VREG pin), 3.3 V (V33 pin), and charge pump (VCP pin) underVOLTAGE lockout protection (UVLO)
• Thermal shutdown protection (TSD)

Applications:
Automotive Control Modules, such as:
• Electronic power steering (EPS)
• Transmission control (TCU)
• Antilock braking (ABS)
• Emissions control

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