MIC2085(2004) データシートの表示（PDF） - Micrel

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MIC2085
(Rev.:2004)

Single Channel Hot Swap Controllers

Micrel 

MIC2085/2086

VIN

12V

R2

140kΩ

1%

R1

100kΩ

RSENSE

0.012Ω

1 2% 2

3

4

C1

1µF

16

VCC

15

SENSE

Q1

IRF7822

(SO-8)

R4

10Ω

GATE 14

R5

100kΩ

1%

4 ON

MIC2085

FB 7

C2

0.022µF

R6

13.3kΩ

1%

9 OV

R3

13.7kΩ

1%

CPOR

3

C3

0.05µF

GND

8

Overvoltage (Input) = 13.3V

Undervoltage (Output) = 11.0V

POR/START-UP Delay = 30ms

*R7 needed when using a sensitive gate SCR.

Additional pins omitted for clarity.

/POR 5

/FAULT 6

1

CRWBR

C4

0.01µF

Downstream

Signals

Q2

2N4401

C5

0.033µF

*R7

180Ω

VOUT

12V@3A

CLOAD

220µF

Q3

TCR22-4

Figure 5. Undervoltage/Overvoltage Circuit

Micrel

January 2004

17

M0235-121903

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