ADP3000 datasheet(7/16 Pages) AD

Part #	ADP3000

Description	Micropower Step-Up/Step-Down Fixed 3.3 V, 5 V, 12 V, Adjustable High Frequency Switching Regulator

PDF	16 Pages

Scroll/Zoom	100%

Manufacturer	AD [Analog Devices]

Direct Link	http://www.analog.com

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7 / 16 page

ADP3000

Rev. A | Page 7 of 16

RLIM (Ω)

100

1.8

1.4

1.6

0.8

1.0

1.2

0.6

0.4

0.2

TA = 85°C

TA = 0°C

TA = 25°C

VIN = 3V

Figure 15. Maximum Switch Current vs. RLIM in Step-Up Mode (3 V)

TEMPERATURE (°C(TA))

–40

440

430

420

410

400

390

380

370

360

350

340

330

Figure 16. Oscillator Frequency vs. Temperature

TEMPERATURE (°C(TA))

–40

2.30

2.25

2.20

2.15

2.10

2.05

2.00

1.90

1.85

1.95

1.80

Figure 17. Switch-On Time vs. Temperature

TEMPERATURE (°C(TA))

–40

100

Figure 18. Duty Cycle vs. Temperature

TEMPERATURE (°C(TA))

–40

0.56

0.52

0.54

0.50

0.48

0.46

0.44

0.42

VIN = 3V @ ISW = 0.65A

Figure 19. Saturation Voltage vs. Temperature in Step-Up Mode

TEMPERATURE (°C(TA))

–40

1.25

1.20

1.15

1.10

1.05

1.00

0.95

0.90

VIN = 12V @ ISW = 0.65A

Figure 20. Switch-On Voltage vs. Temperature in Step-Down Mode

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