ADP1614-650-EVALZ datasheet(10/16 Pages) AD

Numer części	ADP1614-650-EVALZ

Szczegółowy opis	650 kHz/1.3 MHz, 4 A, Step-Up

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10 / 16 page

ADP1614

Data Sheet

Rev. 0 | Page 10 of 16

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

RCL resistor on the CLRES pin.

SW

PWM

COMPARATOR

UVLO

COMPARATOR

TSD

COMPARATOR

OSCILLATOR

S

R

Q

D

COMPARATOR

DREF

+

VIN

CURRENT

SENSING

DRIVER

BAND GAP

N1

BG

RESET

1.1MΩ

AGND

VIN

UVLOREF

TSENSE

TREF

ERROR

AMPLIFIER

VBG

2

1

5.5µA

VSS

RCOMP

CCOMP

COMP

SS

FB

CSS

R1

R2

RCL

CIN

VOUT

8

L1

D1

A

VOUT

COUT

6

SW

7

3

9

5

GND

4

GND

11

EP

AGND

EN

CLRES

ADP1614

10

VIN

>1.6V

<0.3V

SOFT

START

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

Podobny numer części - ADP1614-650-EVALZ

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Podobny opis - ADP1614-650-EVALZ

Producent	Numer części	Arkusz danych	Szczegółowy opis
Analog Devices	ADP1612	1Mb / 28P	650 kHz /1.3 MHz Step-Up PWM DC-to-DC Switching Converters REV. A
Texas Instruments	TPS61087	928Kb / 25P	[Old version datasheet] 650 kHz/1.2 MHz, 18.5 V STEP-UP DC-DC CONVERTER
	TPS61085	731Kb / 23P	[Old version datasheet] 650 kHz/1.2 MHz, 18.5 V STEP-UP DC-DC CONVERTER
	TPS61085T	1Mb / 26P	[Old version datasheet] 650-kHz/1.2-MHz 18.5-V STEP-UP DC-DC CONVERTER
	TPS61085-Q1	779Kb / 24P	[Old version datasheet] 650-kHz/1.2-MHz 18.5-V STEP-UP DC-DC CONVERTER
	TPS61085	1Mb / 30P	[Old version datasheet] 650-kHz,1.2-MHz, 18.5-V Step-Up DC-DC Converter
	TPS61085-Q1	794Kb / 22P	[Old version datasheet] 650-kHz/1.2-MHz 18.5-V STEP-UP DC-DC CONVERTER
	TPS61085T	874Kb / 24P	[Old version datasheet] 650-kHz/1.2-MHz 18.5-V STEP-UP DC-DC CONVERTER
	TPS61087DRCR	1Mb / 30P	[Old version datasheet] 650 kHz/1.2 MHz, 18.5 V STEP-UP DC-DC CONVERTER WITH 3.2 A SWITCH
	TPS61087-Q1	808Kb / 26P	[Old version datasheet] 650 kHz/1.2 MHz, 18.5 V STEP-UP DC-DC CONVERTER WITH 3.2 A SWITCH

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