MAX742C/D 데이터 시트보기 (PDF) - Maxim Integrated

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MAX742C/D

Switch-Mode Regulator with +5V to ±12V or ±15V Dual Output

Maxim Integrated 

Switch-Mode Regulator with

+5V to ±12V or ±15V Dual Output

VIN

4.5V to 6V*

R1

100Ω

L1

100µH

Q1

D1

C8

150µF

C1

0.1µF

J1

C2

3.3nF

C3

10µF

C4

C5

3.3nF

1 FB+

CC+

CSH+

CSL+

R2

0.16Ω

AGND MAX742 GND

AV+

EXT+

100/200

PUMP

12/15

VREF

SS

CC-

PDRV

EXT-

V+

CSH-

FB-

CSL-

C6 D3 D4

1µF

C7

1µF

POINT

A

C10

R3 150µF

0.1Ω

Q2

D2

C11

L2

150µF

100µH

C9

150µF

L3

25µH

+VO

C14

2.2µF

OPTIONAL

NOTES:

Q1 = Motorola MTP15N05L

Q2 = Motorola MTP12P05

L1, L2 = MAXL001

C8–C12 = MAXC001

D1, D2 = 1N5817

D3, D4 = Fuji ERA82-004 or 1N5817

R2, R3 = RCD RSF 1A Metal Film ±3%

L3, L4 = Wilco MFB 250

C13

0.1µF

DISC CERAMIC

C12

150µF

L4

25µH

-VO

C15

2.2µF

OPTIONAL

* FOR HIGHER INPUT VOLTAGE, SEE

SUPPLY-VOLTAGE RANGE SECTION.

Figure 2. Standard 6W Application Circuit

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