ADP1173-3.3 データシートの表示（PDF） - Analog Devices

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ADP1173-3.3

Micropower DC-DC Converter

Analog Devices 

44mH

~

48V DC

~

44mH

*L1 = CTX110077

IQ = 120µA

+

+

–

47µF

100V

3.6MΩ

10kΩ

VN2222L

L1*

500µH

10nF 15V

12V

100Ω

1N4148

1

2

1N965B

+ 10µF

16V

ILIM VIN SW1 3

ADP1173

GND SW2 FB 8

5

4

ADP1173

MUR110

+ 220µF

10V

+5V

100mA

390kΩ

2N5400

IRF530

110kΩ

Figure 29. Telecom Supply

4 x NICAD

OR

ALKALINE

CELLS

+

470µF

L1*

100µH

56Ω

1

2

ILIM VIN SW1 3

7 SET

ADP1173 AO 6

GND SW2 FB 8

5

4

1N5818

470kΩ

+

470µF

SI9405DY

75k

+

240Ω

VOUT = 5V AT 100mA

AT VIN = 2.6V

470µF

24kΩ

*L1 = GOWANDA GA20-103K

COILTRONICS CTX100-4

VIN = 2.6V TO 7.2V

Figure 30. 5 V to 5 V Step-Up or Step-Down Converter

L1*

20µH, 5A

1N5820

+

470µF

2 x NICAD

47kΩ

100kΩ

2N3906

2.2MΩ

100kΩ

100kΩ

1

6 AO ILIM

2

VIN

SW1 3

220Ω

100Ω

2N4403

ADP1173

7 SET

GND

5

FB 8

SW2

4

301kن

5Ω

100kن

47Ω

+

MJE200

+5V OUTPUT

200mA

LOCKOUT AT

1.85V INPUT

470µF

*L1 = COILTRONICS CTX-20-5-52

†1% METAL FILM

Figure 31. 2 V to 5 V at 200 mA Step-Up Converter with Undervoltage Lockout

REV. 0

–13–

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