NJM2387 查看數據表（PDF） - Japan Radio Corporation

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产品描述 (功能)

生产厂家

NJM2387

Switching Regulator IC / DIP8 / DMP8 / SIP8 / SSOP14

Japan Radio Corporation  

NJM2387/89

TYPICAL CHARACTERISTICS

NJM2387/89_10V

Output Voltage vs. Input Voltage

11

@:Ta=25oC

Co =22 µF

10.5

Io=0A

10

9.5

9

9

Io=0.5A

Io=1A

9.5

10

10.5

11

Input Voltage : V IN(V)

NJM2387/89_10V

Ground Pin Current v.s. Output Current

30

25

20

15

10

5

0

0

@:Ta=25oC

VIN=11V

Co=22 µF

R1=1k Ω

R2=6.94k Ω

500

1000

Output Current : IO(mA)

1500

NJM 2387/89_ 10V

Control Current vs. Control Voltage

0

@:Ta=25 oC

VIN=11V

Co=22 µF(Ceramic)

Io=500mA

-0.5

-1

-1.5

Rc=100kΩ

Rc=50kΩ

Rc=0Ω

-2

0

0.5

1

1.5

2

2.5

3

3.5

Contr ol Voltage : V Cont(V)

NJM2387/89_10V

Output Voltage vs. Output Current

12

@:Ta=25oC

Co=22 µF

10

8

6

VIN=22V

VIN=35V

4

VIN=11V

2

0

0

0.5

1

1.5

2

2.5

Output Current : Io(A)

NJM2387/89_10V

Dropout Voltage vs. Output Current

1

@:Ta=25 oC

Co=22 υF

R1=1k Ω

0.8

R2=6.94k Ω

0.6

0.4

0.2

0

0

500

1000

1500

Output Current:Io(mA)

NJM 2 387 /8 9_ 10V

Output Voltage vs. Control Voltage

12

10

Rc=0Ω

8

Rc=50kΩ

6

Rc=100kΩ

4

@:Ta=25oC

2

Vin=11V

Co =22µF( Cer amic)

Io=500mA

0

0

0.5

1

1.5

2

Control Voltage : V (V)

Co nt

-6-

Ver.2004-12-22

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