CS8281YDPR5 datasheet(2/6 Pages) CHERRY

No de pièce	CS8281YDPR5

Description	5V/250mA, 5V/100mA Micropower Low Dropout Regulator with ENABLE

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Fabricant	CHERRY [Cherry Semiconductor Corporation]

Site Internet	http://www.cherrycorp.com/

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2

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Electrical Characteristics: 6V ² VIN ² 26V, IOUT1 = IOUT2 = 100µA, -40¡C ² TC ² 125ûC unless otherwise specified

s Primary Output Stage (VOUT1)

Output Voltage, VOUT1

100µA ² IOUT1 ² 250mA

4.85

5.00

5.15

V

Dropout Voltage

IOUT1 = 250mA

400

600

mV

IOUT1 = 100µA

100

150

mV

Line Regulation

6V ² VIN ² 26V

5

50

mV

Load Regulation

1mA ² IOUT1 ² 250mA, VIN = 14V

5

50

mV

Quiescent Current

ENABLE = HIGH, VIN = 16V,

22

50

mA

IOUT1 = 250mA

Ripple Rejection

f = 120Hz, IOUT1 = 125mA, 7V ² VIN ² 17V

60

70

dB

Current Limit

260

400

mA

Short Circuit Current Limit

VOUT1 = 0V, VIN = 16V

25

mA

Reverse Current

VOUT1 = 5V, VIN = 0V

100

1500

µA

s Secondary Output (VOUT2)

Output Voltage, VOUT2

100µA ² IOUT2 ² 100mA

4.85

5.00

5.15

V

Dropout Voltage

IOUT2 = 100mA

400

600

mV

IOUT2 = 100µA

100

150

mV

Line Regulation

6V ² VIN ² 26V

5

50

mV

Load Regulation

100µA ² IOUT2 ² 100mA, VIN = 14V

5

50

mV

Quiescent Current

ENABLE = LOW, VIN = 12.8V

100

150

µA

ENABLE = HIGH, VIN = 16V,

8

25

mA

IOUT2 = 100mA

Ripple Rejection

f = 120Hz, IOUT2 = 50mA, 7V ² VIN ² 17V

60

70

dB

Current Limit

105

200

mA

Short Circuit Current Limit

VOUT2 = 0V, VIN = 16V, IOUT1 = 0A

25

mA

Reverse Current

VOUT2 = 5V, VIN = 0V

100

250

µA

s Enable Function (ENABLE)

Input Threshold

ENABLE = LOW, 7V ² VIN ² 26V

1.2

0.8

V

ENABLE = HIGH, 7V ² VIN ² 26V

2.0

1.2

V

Input Bias Current

0V ² VENABLE ²5V

-2

0

2

µA

s Protection Circuits

Overtemperature Threshold

150

180

¡C

Overvoltage Shutdown

30

34

38

V

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