CS8122 Просмотр технического описания (PDF) - Cherry semiconductor

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CS8122

2% 5V, 750mA Low Dropout Linear Regulator with Delayed RESET

Cherry semiconductor 

PACKAGE LEAD #

5Lead TO-220

1

2

3

4

5

Package Lead Description

LEAD SYMBOL

FUNCTION

VIN

VOUT

Gnd

Delay

RESET

Unregulated supply voltage to IC.

Regulated 5V output.

Ground connection.

Timing capacitor for RESET function.

CMOS/TTL compatible output lead. RESET goes low whenev-

er VOUT drops below 6% of it's regulated value.

Typical Performance Characteristics

Quiescent Current vs Input Voltage over Temperature

Quiescent Current vs Input Voltage over Load Resistance

55.0

50.0

Rload = 25W

45.0

40.0

35.0

30.0

25.0

125ûC

20.0

15.0

10.0

5.0

25ûC

-40ûC

0.0

0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0

VIN (V)

120.0

100.0

Room Temp.

Rload = 6.67W

80.0

60.0

40.0

Rload = 10W

20.0

Rload = 25W

Rload = NO LOAD

0.0

0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0

VIN (V)

Output Voltage vs Input Voltage over Temperature

Rload = 25W

5.5

5.0 Rload=25½

4.5

4.0

3.5

3.0

125ûC

2.5

2.0

1.5

25ûC

-40ûC

1.0

0.5

0.0

0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0

VIN (V)

3

VOUT vs. VIN over RLOAD

5.5

Room Temp.

5.0

4.5

4.0

3.5

Rload = 6.67W

3.0

2.5

2.0

Rload =

1.5 NO LOAD

1.0

0.5

Rload = 10W

0.0

0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0

VIN (V)

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