ADP1073 datasheet(13/16 Pages) AD

13 / 16 page

ADP1073

–13–

REV. 0

100 F

1N5818

ILIM

VIN

SW1

SW2

GND

ADP1073-12

L1*

150 H

100 F

SENSE

*L1 = GOWANDA GA20-153k

OR CADDELL-BURNS 7200-15

5 VIN

12V OUTPUT

100mA AT 4.5 VIN

Figure 32. 5 V to 12 V Step-Up Converter

1N5818

L1*

82 H

100 F

5V OUTPUT

SHUTDOWN

OPERATE

74C04

1N4148

40.2k **

1.5 VOLT

CELL

909k **

*L1 = GOWANDA GA10-822k

OR CADDELL-BURNS 7200-12

**1% METAL FILM

ILIM

VIN

SW1

SW2

GND

ADP1073

Figure 33. 1.5 V to 5 V Step-Up Converter with Logic

Shutdown

*L1 = GOWANDA GA10-822k

OR CADDELL-BURNS 7300-12

**1% METAL FILM

1N5818

ILIM VIN

SW1

SW2

GND

ADP1073-5

L1*

82 H

100 F

SENSE

5V OUTPUT

100k **

1.5 VOLT

CELL

LO BATT

GOES LOW

AT VBATTERY = 1.15V

442k **

SET

100k

Figure 34. 1.5 V to 5 V Step-Up Converter with Low

Battery Detector

*L1 = GOWANDA GA10-103k

OR CADDELL-BURNS 7300-13

1N5818

ILIM

VIN

SW1

SW2

GND

ADP1073

100 F

220

9 VOLT

BATTERY

3V OUTPUT

L1*

100 H

536k

40.2k

Figure 35. 9 V to 3 V Step-Down Converter

*L1 = GOWANDA GA10-103k

OR CADDELL-BURNS 7300-13

1N5818

ILIM

VIN

SW1

SW2

GND

ADP1073-5

100 F

220

SENSE

9 VOLT

BATTERY

5V OUTPUT

L1*

100 H

Figure 36. 9 V to 5 V Step-Down Converter

*L1 = GOWANDA GA10-472k

OR CADDELL-BURNS 7300-14

MINIMUM START-UP VOLTAGE = 1.1V

ILIM

VIN

SW1

SW2

GND

ADP1073-5

100 F

SENSE

1.5 VOLT

CELL

5V OUTPUT

25mA

L1*

47 H

2N3906

2.2

1N5818

Figure 37. 1.5 V to 5 V Bootstrapped Step-Up Converter

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