Datasheet > ADP1614

ADP1614

更新时间： 2022-10-09 10:07:41

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
16页	403K
描述
650 kHz/1.3 MHz, 4 A, Step-Up

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ADP1614 数据手册

ADP1614

Data Sheet

THEORY OF OPERATION

The ADP1614 current-mode, step-up switching converter

boosts a 2.5 V to 5.5 V input voltage to an output voltage as

high as 20 V. The internal switch allows a high output current,

and the 650 kHz/1.3 MHz switching frequency allows the use of

tiny external components. The switch current is monitored on a

pulse-by-pulse basis to limit the current to the value set by the

_CLresistor on the CLRES pin.

VIN

OUT

VIN

COMPARATOR

OUT

CURRENT

SENSING

OUT

PWM

COMPARATOR

REF

ERROR

AMPLIFIER

OSCILLATOR

UVLO

COMPARATOR

DRIVER

COMP

UVLO

COMP

REF

TSD

COMPARATOR

COMP

5.5µA

SENSE

BAND GAP

SOFT

START

RESET

REF

AGND

GND

1.1MΩ

AGND

ADP1614

CLRES

GND

>1.6V

<0.3V

Figure 25. Block Diagram with Step-Up Regulator Application Circuit

Rev. 0 | Page 10 of 16

1...7 8 91011 12 13...16

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