CS8271 datasheet(2/6 Pages) CHERRY

2 / 6 page

Power Dissipation.............................................................................................................................................Internally Limited

Transient Input Voltage ..................................................................................................................................................-50V, 60V

Reverse Battery..........................................................................................................................................................................-15V

Output Current .................................................................................................................................................Internally Limited

ESD Susceptibility (Human Body Model)..............................................................................................................................2kV

Junction Temperature .............................................................................................................................................-40¡C to 150¡C

Storage Temperature...............................................................................................................................................-55¡C to 150¡C

Lead Temperature Soldering

Wave Solder (through hole styles only) .....................................................................................10 sec. max, 260¡C peak

Reflow (SMD styles only) ......................................................................................60 sec. max above 183¡C, 230¡C peak

Adj and Enable Output ..................................................................................................................................................-0.3V, 10V

VOUT

...........................................................................................................................................................................-0.3V, 20V

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Absolute Maximum Ratings

Electrical Characteristics: VOUT + 1V ² VIN ² 30V, 5V ² VOUT ² 12V, IOUT = 10mA, -40¡ ² TA ² 125¡, -40¡ ² TJ ² 150¡,

VENABLE = 0V; unless otherwise specified.

s Output Voltage

Dropout Voltage

IOUT = 100µA, VDROP = (VIN Ð VOUT)

100

150

IOUT = 100mA, VDROP = (VIN Ð VOUT)

400

600

Load Regulation

Measure VOUT when

0.1

1.0

%VOUT

IOUT = 100µA, 100mA.

LDREG = ABS (ÆVOUT)

Line Regulation

IOUT = 1mA. Measure VOUT

0.1

0.5

%VOUT

when VIN = VOUT + 1V, 30V.

LNREG = ABS (ÆVOUT)

Quiescent Current, (IQ)VIN = 6V, IOUT = 100µA,

120

µA

Active Mode

VOUT setup for 5V. IQ = IVIN - IOUT

VIN = 13V, IOUT = 100µA,

130

200

µA

VOUT setup for 12V. IQ = IVIN - 100µA

VIN = 30V, IOUT = 100µA,

150

450

µA

VOUT setup for 5V, IQ = IVIN - 100µA

VIN = 30V, IOUT = 100µA,

200

500

µA

VOUT setup for 12V, IQ = IVIN - 100µA

IOUT = 50mA, IQ = IVIN - 50mA

IOUT = 100mA, IQ = IVIN - 100mA

Quiescent Current, (IQ)VIN = 6V, ENABLE = 2.5V,

µA

Sleep Mode

IQSLEEP = IVIN

VIN = 30V, ENABLE = 2.5V,

350

µA

IQSLEEP = IVIN

Ripple Rejection

f=120Hz, (Note 1)

Current Limit

VOUT = VOUT - 500mV, ILIM = IVOUT

105

200

300

Short Circuit Output Current

VOUT=0V, ISHRT = IVOUT

100

215

Thermal Limit

(Note 1)

150

180

210

¡C

Overvoltage Shutdown

Adjust VIN from 28V to 40V

until VOUT ²1V

Reverse Current

VIN=0V, IREV = IVOUT, VOUT = 13.2V

100

200

µA

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