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SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR

The S-817 Series is a 3-terminal positive VOLTAGE REGULATOR, developed using CMOS technology. Small ceramic capacitors can be used as the output capacitor, and the S-817 series provides stable operation with low loads down to 1 µA.
Compared with the conventional VOLTAGE REGULATOR, it is of low current consumption, and with a lineup of the super small PACKAGE (SNT-4A:1.2 x 1.6mm). It is optimal as a power supply of small portable device.

Features
• Ultra-low current consumption: Operating current: Typ. 1.2 µA, Max. 2.5 µA
• Output VOLTAGE:                          1.1 to 6.0 V, selectable in 0.1 V steps.
• Output VOLTAGE accuracy:           ±2.0%
• Output current:                           50 mA capable (3.0 V output product, VIN=5 V) *1
                                                     75 mA capable (5.0 V output product, VIN=7 V) *1
• Dropout VOLTAGE:                        Typ. 160 mV (VOUT = 5.0 V, IOUT = 10 mA)
• Low ESR capacitor Ceramic capacitor of 0.1 µF or more can be used as an output capacitor.
• Short circuit protection for:         Series A
• Excellent Line Regulation:         Stable operation at light load of 1 µA
• Lead-free product
*1. Attention should be paid to the power dissipation of the PACKAGE when the load is large.

Applications
• Power source for battery-powered devices
• Power source for personal communication devices
• Power source for home electric/electronic appliances

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.

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.

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.

The S-817 Series is a 3-terminal positive VOLTAGE REGULATOR, developed using CMOS technology. Small ceramic capacitors can be used as the output capacitor, and the S-817 series provides stable operation with low loads down to 1 µA.
Compared with the conventional VOLTAGE REGULATOR, it is of low current consumption, and with a lineup of the super small PACKAGE (SNT-4A:1.2 x 1.6mm). It is optimal as a power supply of small portable device.

Features
• Ultra-low current consumption: Operating current: Typ. 1.2 µA, Max. 2.5 µA
• Output VOLTAGE: 1.1 to 6.0 V, selectable in 0.1 V steps.
• Output VOLTAGE accuracy: ±2.0%
• Output current: 50 mA capable (3.0 V output product, VIN=5 V) *1 75 mA capable (5.0 V output product, VIN=7 V) *1
• Dropout VOLTAGE: Typ. 160 mV (VOUT = 5.0 V, IOUT = 10 mA)
• Low ESR capacitor (e.g. A ceramic capacitor of 0.1 µF or more) can be used as an output capacitor.
• Short circuit protection for: Series A
• Excellent Line Regulation: Stable operation at light load of 1 µA
*1. Attention should be paid to the power dissipation of the PACKAGE when the load is large.

Applications
• Power source for battery-powered devices
• Power source for personal communication devices
• Power source for home electric/electronic appliances

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.

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.

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

[ABLIC Inc.]

EXTERNAL TRANSISTOR TYPE CMOS VOLTAGE REGULATOR

The S-816 Series, developed using the CMOS technology, is an external transistor type positive VOLTAGE REGULATOR which incorporates an overcurrent protection circuit and an ON/OFF circuit. A low drop-out type REGULATOR with an output current ranging from several hundreds of mA to 1 A can be configured with the PNP transistor driven by this IC.
Despite the features of the S-816 Series, which is low current consumption, the improvement in its transient response characteristics of the IC with a newly deviced phase compensation circuit made it possible to employ the products of the S-816 Series even in applications where heavy input variation or load variation is experienced.
The S-816 Series REGULATOR serves as an ideal power supply unit for portable devices when coupled with the small SOT-23-5 PACKAGE, providing numerous outstanding features, including low current consumption. Since the S-816 Series can accommodate an input VOLTAGE of up to 16 V, it is also suitable when operating via an AC adapter. 

Features
● Output VOLTAGE: 2.5 V to 6.0 V, selectable in 0.1 V step
● Input VOLTAGE: 16 V max.
● Output VOLTAGE accuracy:  2.0%
● Current consumption: During operation: 30 μA typ., 40 μA max.
                                       During power-off: 1 μA max.
● Built-in overcurrent (base current) protection circuit
● Built-in ON/OFF circuit: Ensures long battery life.
● Built-in current source (10 μA): No need for a base-emitter resistance.
● Operation temperature range: Ta = -40°C to +85°C
● Lead-free, Sn 100%, halogen-free*1
*1. Refer to “■ Product Name Structure” for details.

Applications
● Power supply for on-board such as battery device for portable telephone, electronic notebook, PDA
● Constant VOLTAGE power supply for camera, video equipment and portable communication equipment
● Power supply for CPU
● Post-REGULATOR for switching REGULATOR
● Main REGULATOR in multiple-power supply system

EXTERNAL TRANSISTOR TYPE CMOS VOLTAGE REGULATOR

The S-816 Series, developed using the CMOS technology, is an external transistor type positive VOLTAGE REGULATOR which incorporates an overcurrent protection circuit and an ON/OFF circuit. A low drop-out type REGULATOR with an output current ranging from several hundreds of mA to 1 A can be configured with the PNP transistor driven by this IC.
Despite the features of the S-816 Series, which is low current consumption, the improvement in its transient response characteristics of the IC with a newly deviced phase compensation circuit made it possible to employ the products of the S-816 Series even in applications where heavy input variation or load variation is experienced.
The S-816 Series REGULATOR serves as an ideal power supply unit for portable devices when coupled with the small SOT-23-5 PACKAGE, providing numerous outstanding features, including low current consumption. Since the S-816 Series can accommodate an input VOLTAGE of up to 16 V, it is also suitable when operating via an AC adapter.

Features
● Output VOLTAGE: 2.5 V to 6.0 V, selectable in 0.1 V step
● Input VOLTAGE: 16 V max.
● Output VOLTAGE accuracy:  2.0%
● Current consumption: During operation: 30 A typ., 40 A max.
                                       During power-off: 1 A max.
● Built-in overcurrent (base current) protection circuit
● Built-in ON/OFF circuit: Ensures long battery life.
● Built-in current source (10 A): No need for a base-emitter resistance.
● Operation temperature range: Ta =40C to 85C
● Lead-free, Sn 100%, halogen-free*1
*1. Refer to “ Product Name Structure” for details.

Applications
● Power supply for on-board such as battery device for portable telephone, electronic notebook, PDA
● Constant VOLTAGE power supply for camera, video equipment and portable communication equipment
● Power supply for CPU
● Post-REGULATOR for switching REGULATOR
● Main REGULATOR in multiple-power supply system