NCP4561 데이터 시트보기 (PDF) - ON Semiconductor
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NCP4561 Datasheet PDF : 16 Pages
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NCP4561
PIN FUNCTION DESCRIPTIONS
Pin #
Pin Name
Function
1
ON/OFF
Shuts or
wakes–up the IC
2
GND
The IC’s ground
3
NC
None
4
Vout
Delivers the
output voltage
5
Vin
Powers the IC
Description
A 900 mV level on this pin is sufficient to start the IC. A 150 mV shuts it down.
It makes no arm to connect the pin to a known potential, like in a pin–to–pin
replacement case.
This pin requires a 1.0 mF output capacitor to be stable.
A positive voltage up to 12 V can be applied upon this pin.
MAXIMUM RATINGS
Rating
Power Supply Voltage
ESD Capability, HBM Model
ESD Capability, Machine Model
Maximum Power Dissipation
NW Suffix, Plastic Package
Thermal Resistance Junction–to–Air
Operating Ambient Temperature
Maximum Junction Temperature (Note 1)
Maximum Operating Junction Temperature (Note 2)
Storage Temperature Range
Pin #
5
All Pins
All Pins
Symbol
Vin
PD
RqJ–A
TA
TJmax
TJ
Tstg
Value
Min
Max
–
12
–
1.0
–
200
–
Internally
Limited
–
210
–
–40 to +85
–
150
–
125
–
–60 to +150
Unit
V
kV
V
W
°C/W
°C
°C
ELECTRICAL CHARACTERISTICS
(For Typical Values TA = 25°C, for Min/Max values TA = –40°C to +85°C, Max TJ = 125°C unless otherwise noted)
Characteristics
Pin # Symbol
Min
Typ
Logic Control Specifications
Input Voltage Range
ON/OFF Input Resistance
ON/OFF Control Voltages (Note 3)
Logic Zero, OFF State, IO = 50 mA
Logic One, ON State, IO = 50 mA
Currents Parameters
1
VON/OFF
0
–
1
RON/OFF
–
250
1
VON/OFF
–
–
900
–
Current Consumption in OFF State
OFF Mode Current: Vin = Vout + 1.0 V, IO = 0, VOFF = 150 mV
Current Consumption in ON State
ON Mode Current: Vin = Vout + 1.0 V, IO = 0, VON = 3.5 V
Current Consumption in ON State, ON Mode
Saturation Current: Vin = Vout – 0.5 V, No Output Load
Current Limit Vin = Voutnom + 1.0 V,
Output is brought to Voutnom – 0.3 V
1. Internally Limited by Shutdown.
2. Specifications are guaranteed below this value.
3. Voltage Slope should be Greater than 2.0 mV/ms.
IQOFF
–
0.1
IQON
–
180
IQSAT
–
800
IMAX
100
180
Max
Unit
Vin
V
–
kW
mV
150
–
2.0
mA
–
mA
–
mA
–
mA
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