ILC6371AP-33 데이터 시트보기 (PDF) - Fairchild Semiconductor

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ILC6371AP-33

SOT-89 Step up Switching Regulator with Shutdown

Fairchild Semiconductor 

Absolute Maximum Ratings (TA = 25°C)

Parameter

VOUT Input Voltage Pin

CE Input Voltage

Voltage on pin LX

Current on pin LX

Voltage on pin EXT

Current pin EXT

Continuous Total Power Dissipation (SOT-89-5)

Operating Ambient Temperature

Storage Temperature

Symbol

VOUT

VCE

VLX

ILX

VEXT

IEXT

PD

Topr

Tstg

Ratings

12

12

12

400

0.3~VOUT + 0.3

±50

500

-30~+80

-40~+125

ILC6370/71

Units

V

V

V

mA

V

mA

mW

°C

°C

Electrical Characteristics ILC6370BP-50

VOUT = 5.0V, FOSC = 100kHz, TA = 25°C, Test Circuit figure 1.

Parameter

Output Voltage

Input Voltage

Oscillation Startup

Voltage

Operation Startup

Voltage

Supply Current 1

Supply Current 2

LX Switch-On

Resistance

Symbol

VOUT

VIN

VST2

Conditions

LX: 10kΩ Pull-up to .5V, VOUT = VST

VST1 IOUT + 1mA

IDD1

IDD2

RSWON

LX: 10kΩ Pull-up to .5V, VOUT = 4.5V

Open Loop Measurement, VS/D = VIN,

VLX = VIN - 0.4V, VOUT = 3V

Open Loop Measurement, VOUT = VIN,

VLX = 0V

Min.

3.218

500

Typ.

3.300

600

Max.

3.383

10

Units

V

V

mA

55 86 µA

1.5 2.5 µA

0.64 0.85 Ω

2.0 µA

LX Leakage Current

ILXL Measure Waveform at EXT pin VIN = 3.6V 255

IOUT = 20mA

Oscillator Frequency

FOSC

Maximum Duty Ratio MAXDTY No Load

10

Stand-by Current

ISTB

CE “High” Voltage

VCEH Minimum VIN when VREF does not start up

1

CE “Low” Voltage

VCEL VREF rises to 0V from 0.9V

6.0

Note: Unless otherwise specified, VIN = VOUT x 0.6, IOUT = 50mA. See Schematic, figure 1.

300

100

17

95

10.0

345 kHz

%

25

%

%

1.8 V

16.0 msec

©2001 Fairchild Semiconductor Corporation

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