CS8127YD8 datasheet(3/6 Pages) CHERRY

No. de pieza	CS8127YD8

Descripción Electrónicos	5V Linear Controller/Driver

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Fabricante Electrónico	CHERRY [Cherry Semiconductor Corporation]

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3

Typical Performance Characteristics (per Test Circuit)

5.02

5.01

5

4.99

4.98

4.97

4.96

4.95

-40 -20 0

20 40 60 80 100120 140150

JUNCTION TEMPERATURE (

°C)

5.00V @ 25

°C

IOUT=500mA

0

200

400

600

800

1000

1200

1400

1600

1800

2000

RESET OUTPUT CURRENT (mA)

Vin = 5V

0

5

10

15

20

25

30

35

40

0.00

10.00

20.00

30.00

40.00

50.00

60.00

70.00

80.00

90.00

100.00

0

1

2

3

4

567

8

9

10

VIN (V)

IOUT = 3A

ROUT = 47W

IOUT = 0.5A

ROUT = 330W

IQ vs. VIN

RESET Voltage vs. Output Current

Temperature Performance of VOUT

0

1

2

3

4

5

678

9

10

0.00

0.50

1.00

1.50

2.00

2.50

3.00

3.50

4.00

4.50

5.00

5.50

VIN (V)

IOUT=0.5A

IOUT= 3A

0

0.5

1.0

1.5

2.0

2.5

3.0

0

50

100

150

200

250

300

350

400

IOUT (Amps)

ROUT = 47W

25

°C

20

18

16

14

12

10

8

6

4

2

0

0.5

1.0

1.5

2.0

2.5

3.0

IOUT(Amps)

VIN=14V

25

°C

Load Regulation vs. IOUT

Dropout Voltage vs. IOUT

VOUT vs. VIN

6V

£VIN £- 26V

IOUT(Amps)

20

0

15

10

5

0

0.5

1.0

1.5

2.0

2.5

3.0

25

°C

40

35

30

25

20

15

10

5

0

0.5

1.0

1.5

2.0

2.5

3.0

VIN=14V

IOUT (Amps)

25

°C

10

100

1K

10K

100K

FREQUENCY (Hz)

1M

10M

100M

0

10

20

30

40

50

60

70

80

IOUT=250mA

25

°C

Ripple Rejection

IQ vs. IOUT

Line Regulation vs. IOUT

Package Lead Description

PACKAGE LEAD #

LEAD SYMBOL

FUNCTION

8L SO & PDIP

1VIN

Unregulated supply voltage to the IC.

2

Sense

Kelvin connection which allows remote sensing of output volt-

age for improved regulation.

3

Delay

Timing CAP for

function

4

CMOS/TTL compatible open collector output.

goes low

whenever VOUT drops below 6% of it's typical value.

5

Ref Gnd

Ground connection

6

Pullup

Internal pullup transistor for VOUT. Also Sense pin for

overvoltage shutdown.

7

Pwr Gnd

Ground connection

8VOUT

Supplies base current to PNP pass transistor or threshold volt-

age to FET pass transistor.

RESET

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CS8127YD8 Datasheet(PDF) 3 Page - Cherry Semiconductor Corporation

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