ADP5303ACBZ-2-R7 datasheet(19/21 Pages) AD

部件名	ADP5303ACBZ-2-R7

功能描述	50 mA/500 mA, Ultralow Power Step-Down Regulator With Battery Voltage Monitor

PDF	21 Pages

Scroll/Zoom	100%

制造商	AD [Analog Devices]

网页	http://www.analog.com

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19 / 21 page

Data Sheet

ADP5303

Rev. B | Page 19 of 21

TYPICAL APPLICATION CIRCUITS

The ADP5303 can be used as a keep-alive, ultralow power step-

down regulator to extend battery life (see Figure 42), and as a

battery-powered equipment or wireless sensor network

controlled by a microcontroller or a processor (see Figure 43).

2.2µH

PGND

10µF

VOUT = 1.8V

PVIN

VID

Li-Ion BATTERY

SYNC/MODE

VIN = 3.0V TO 4.2V

ADP5303

20kΩ

VINOK

AGND

Figure 42. Typical Application Circuit with Li-Ion Battery

TWO

ALKALINE

OR Li-Ion

BATTERIES

2.2µH

PGND

10µF

1MΩ

10µF

PVIN

SYNC/MODE

VIN = 2.0V TO 3.0V

VOUT = 1.8V

ADP5303

ADC/RF/AFE

MCU

(ALWAYS-ON)

VID

AGND

VINOK

19.6kΩ

Figure 43. Typical Application Circuit with Two Alkaline or NiMH Batteries

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