Datasheet > ADP3088ARMZ

ADP3088ARMZ

更新时间： 2024-11-05 19:47:39

品牌	Logo	应用领域
亚德诺 - ADI		开关光电二极管
页数	文件大小	规格书
16页	773K
描述
IC 1.4 A SWITCHING REGULATOR, 1250 kHz SWITCHING FREQ-MAX, PDSO8, MSOP-8, Switching Regulator or Controller

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ADP3088ARMZ 数据手册

1 MHz, 750 mA Buck Regulator

ADP3088

FUNCTIONALBLOCKDIAGRAM

FEATURES

1 MHz PWM Frequency

Automatic PWM to Power Saving Mode at Light Load

Fully Integrated 1 A Power Switch

3% Output Regulation Accuracy over Temperature,

Line, and Load

100% Duty Cycle Operation

Simple Compensation

CURRENT

SENSE

AMP

DRV

PWM

COMPARATOR

1MHz

Output Voltage: 1.25 V to 10.5 V

Small Inductor and MLC Capacitors

Low Quiescent Current while Pulse Skipping

Thermal Shutdown

PROTECTION

RUN/STOP

COMPARATORS

LOGIC

(ILIM, OT)

Fully Integrated Soft Start

Cycle-by-Cycle Current Limit

ERROR

AMP

COMP

GND

APPLICATIONS

SOFT START

TIMER

REF

1.245V

PDAs and Palmtop Computers

Notebook Computers

PCMCIA Cards

GND

ADP3088

Bus Products

Portable Instruments

GENERALDESCRIPTION

ADP3088

3.3ꢀH

1.8V

DRV

GND

OUT

The ADP3088 is a high frequency, nonsynchronous PWM step-

down dc-to-dc regulator with an integrated 1 A power switch

in a space-saving MSOP-8 package. It provides high efficiency

and excellent dynamic response and is very simple to use.

3.3V

0.1ꢀF

10ꢀF

10.0kꢁ

1N5817

GND

COMP

10ꢀF

The ADP3088’s 1 MHz switching frequency allows for small,

inexpensive external components, and the current mode control

loop is simple to compensate and eases noise filtering. The device

operates in PWM current mode under heavy loads and saves

energy at lighter loads by switching automatically into power

saving mode. Soft start is integrated completely on-chip, as is

the cycle-by-cycle current limit.

22.4kꢁ

4.7pF

220pF

20kꢁ

Figure 1. Typical Application

Capable of operating from 2.5 V to 11 V input, the ADP3088 is

ideal for many applications, including portable, battery-powered

applications where local point-of-use power regulation is

required. Supporting output voltages down to 1.25 V, the

ADP3088 is ideal for generating low voltage rails, providing

the optimal solution in its class for delivering power efficiently,

responsively, and simply with a minimal printed circuit board area.

The device is specified over the industrial temperature range of

–40∞C to +85∞C.

REV. C

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat

may result from its use. No license is granted by implication or otherwise

under any patent or patent rights of Analog Devices. Trademarks and

registered trademarks are the property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

Fax: 781/326-8703

www.analog.com

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与ADP3088ARMZ相关器件

型号	品牌	获取价格	描述	数据表
ADP3089	ADI	获取价格	1 MHz, 1 A Buck Regulator
ADP3089ACP	ADI	获取价格	1 MHz, 1 A Buck Regulator
ADP3089ACP-REEL	ADI	获取价格	IC 2 A SWITCHING REGULATOR, 1250 kHz SWITCHING FREQ-MAX, DSO8, 3 X 3 MM, LEAD FRAME, CSP-8
ADP3089ACP-REEL7	ADI	获取价格	IC 2 A SWITCHING REGULATOR, 1250 kHz SWITCHING FREQ-MAX, DSO8, 3 X 3 MM, LEAD FRAME, CSP-8
ADP3110	ADI	获取价格	Dual Bootstrapped, 12 V MOSFET Driver with Output Disable
ADP3110	ONSEMI	获取价格	Dual Bootstrapped, 12 V MOSFET Driver with Output Disable
ADP3110A	ONSEMI	获取价格	Dual Bootstrapped, 12 V MOSFET Driver with Output Disable
ADP3110A	ADI	获取价格	Dual Bootstrapped, 12 V MOSFET Driver with Output Disable
ADP3110AJCPZ-RL	ADI	获取价格	Dual Bootstrapped, 12 V MOSFET Driver with Output Disable
ADP3110AKCPZ-RL	ROCHESTER	获取价格	HALF BRDG BASED MOSFET DRIVER, PDSO8, 3 X 3 MM, 0.50 PITCH, LEAD FREE, DFN-8

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