ADP1148, ADP1148-3.3, ADP1148-5

–12–

REV. A

P-DRIVE

NC

SENSE(–)

N-DRIVE

NC

POWER GND

SIGNAL GND

SHUTDOWN

SENSE(+)

ADP1148-3.3

3300pF

1k

IRF7403

D1

10BQ040

4V TO 18V

IRF7204

100 F

20V

*L

50 H

220 F

10V

2

AVX

1000pF

0.1

10nF

300pF

1 F

1

2

3

4

5

6

7

14

13

12

11

10

9

8

*COILTRONICS CTX50-2-MP

**KRL SP-1/2-A1-0R100J

3.3V/1A

NC = NO CONNECT

Figure 19. ADP1148 Low Dropout, 3.3 V/1 A High Efficiency Regulator

P-DRIVE

NC

SENSE(–)

N-DRIVE

NC

POWER GND

SIGNAL GND

SHUTDOWN

SENSE(+)

ADP1148

6800pF

1k

IRF7403

D1

10BQ015

4V TO 9V

IRF7204

220 F

20V

–5V/1.4A

25k

1%

75k

1%

220 F

2

10V

200pF

1000pF

0.05

10nF

560pF

1 F

1

2

3

4

5

6

7

14

13

12

11

10

9

8

*COILTRONICS CTX50-2-MP

**KRL SL-1-C1-0R05J

*L

50 H

NC = NO CONNECT

Figure 20. 4 V to 9 V Input Voltage to –5 V/1.4 A Regulator