Analog Devices ADP1148-5 Manuale Utente

Analog Devices

ADP1148, ADP1148-3.3, ADP1148-5

–13–

REV. A

P-DRIVE

NC

V

IN

C

T

INT V

CC

I

TH

SENSE(–)

N-DRIVE

NC

POWER GND

SIGNAL GND

SHUTDOWN

V

FB

SENSE(+)

ADP1148

C

C

3300pF

R

C

1k

V

IRF7403

D1

10BQ040

V

IN

5.2V TO 14V

IRF7204

C

IN

100

m

F

20V

*L

50

m

H

R1B
43k

V

1%

R2
56k

V

1%

C

OUT

220

m

F

10V

3

2

OS-CON

100pF

1000pF

**R

SENSE

0.05

V

10nF

C

T

390pF

1

m

F

1

2

3

4

5

6

7

14

13

12

11

10

9

8

R1A
33k

V

1%

0V: V

OUT

= 3.3V

5V: V

OUT

= 5V

VN2222LL

V

OUT

3.3V/2A

OR 5V/2A

*COILTRONICS CTX50-2-MP
**KRL SL-1-C1-0R050J

NC = NO CONNECT

Figure 21. Logic Selectable 5 V/1 A or 3.3 V/2 A High Efficiency Regulator