LM4040BIM3 데이터 시트보기 (PDF) - Micrel

부품명

상세내역

제조사

LM4040BIM3

Precision Micropower Shunt Voltage Reference

Micrel 

LM4040/4041

I

R2

50µA

LM4041-ADJ

VIN

R1

VOUT

D1

1N914

D2

1N914

+

FB

R3

240k

–

R4

240k

Micrel

LM4041-ADJ

VIN

I

R1

+

FB

–

D1

1N457

R2

510k –

FB

R3 +

510k

VOUT

D2

1N457

LM4041-ADJ

Figure 5. Fast Positive Clamp

2.4V + ∆VD1

Figure 6. Bidirectional Clamp

±2.4V

LM4041-ADJ

VIN

I

R1

R3

+ 500k

FB

–

D1

1N457

R2

390k FB –

+

R4

390k

VOUT

D2

1N457

LM4041-ADJ

I

LM4041-ADJ

+

FB

–

D1

1N457

VIN

R1

R2

330k

VOUT

D2

1N457

R3

1M FB –

+

R4

330k

LM4041-ADJ

Figure 7. Bidirectional Adjustable Clamp

±18V to ±2.4V

Figure 8. Bidirectional Adjustable Clamp

±2.4 to ±6V

0 to 20mA

1N4002

D2

R1

390Ω

± 2%

FB

D1* λ

+ 5V

+

LM4041-ADJ

–

R2

1

6

470k

N.C.

2

5

CMOS

N.C. 3

4

4N28

ITHRESHOLD =

1.24V+ 5µA = 3.2mA

R1 4N28 GAIN

Figure 9. Floating Current Detector

January 2000

13

LM4040/4041

Share Link: