Datasheet > ADP1611-EVAL

ADP1611-EVAL

更新时间： 2024-11-23 04:31:39

品牌	Logo	应用领域
亚德诺 - ADI		转换器开关
页数	文件大小	规格书
20页	878K
描述
20 V,1.2 MHz Step-Up DC-to-DC Switching Converter

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ADP1611-EVAL 数据手册

20 V,1.2 MHz Step-Up

DC-to-DC Switching Converter

ADP1611

FEATURES

GENERAL DESCRIPTION

Fully integrated 1.2 A , 0.23 Ω power switch

Pin-selectable 700 kHz or 1.2 MHz PWM frequency

90% efficiency

Adjustable output voltage up to 20 V

3% output regulation accuracy

Adjustable soft start

The ADP1611 is a step-up dc-to-dc switching converter with an

integrated 1.2 A, 0.23 Ω power switch capable of providing an

output voltage as high as 20 V. With a package height of less

than 1.1 mm, the ADP1611 is optimal for space-constrained

applications such as portable devices or thin film transistor

(TFT) liquid crystal displays (LCDs).

Input undervoltage lockout

MSOP 8-lead package

The ADP1611 operates in pulse-width modulation (PWM)

current mode with up to 90% efficiency. Adjustable soft start

prevents inrush currents at startup. The pin-selectable switching

frequency and PWM current-mode architecture allow excellent

transient response, easy noise filtering, and the use of small,

cost-saving external inductors and capacitors.

APPLICATIONS

TFT LC bias supplies

Portable applications

Industrial/instrumentation equipment

The ADP1611 is offered in the Pb-free 8-lead MSOP and

operates over the temperature range of −40°C to +85°C.

FUNCTIONAL BLOCK DIAGRAM

COMP

ERROR

AMP

ADP1611

REF

BIAS

F/F

RAMP

GEN

DRIVER

COMPARATOR

OSC

SOFT START

CURRENT-

SENSE

AMPLIFIER

GND

Figure 1.

Rev. 0

Information furnished by Analog Devices is believed to be accurate and reliable.

However, no responsibility is assumed by Analog Devices for its use, nor for any

infringements of patents or other rights of third parties that may result from its use.

Specifications subject to change without notice. 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ADP1611-EVAL相关器件

型号	品牌	获取价格	描述	数据表
ADP1612	ADI	获取价格	650 kHz /1.3 MHz Step-Up PWM DC-to-DC Switching Converters
ADP1612-5-EVALZ	ADI	获取价格	650 kHz /1.3 MHz Step-Up PWM DC-to-DC Switching Converters
ADP1612ARMZ-R7	ADI	获取价格	650 kHz /1.3 MHz Step-Up PWM DC-to-DC Switching Converters
ADP1612-BL1-EVZ	ADI	获取价格	650 kHz /1.3 MHz Step-Up PWM DC-to-DC Switching Converters
ADP1613	ADI	获取价格	650 kHz /1.3 MHz Step-Up PWM DC-to-DC Switching Converters
ADP1613-12-EVALZ	ADI	获取价格	650 kHz /1.3 MHz Step-Up PWM DC-to-DC Switching Converters
ADP1613ARMZ-R7	ADI	获取价格	650 kHz /1.3 MHz Step-Up PWM DC-to-DC Switching Converters
ADP1613-BL1-EVZ	ADI	获取价格	650 kHz /1.3 MHz Step-Up PWM DC-to-DC Switching Converters
ADP1614	ADI	获取价格	650 kHz/1.3 MHz, 4 A, Step-Up
ADP1614-1.3-EVALZ	ADI	获取价格	650 kHz/1.3 MHz, 4 A, Step-Up

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