MIC2176-1YMMTR

更新时间： 2024-02-01 06:52:26

品牌	Logo	应用领域
麦瑞 - MICREL		控制器
页数	文件大小	规格书
31页	1082K
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MIC2176-1YMMTR 数据手册

MIC2176-1/-2/-3

Wide Input Voltage, Synchronous Buck

Controllers Featuring Adaptive On-Time

Control

Hyper Speed Control™ Family

General Description

Features

•

Hyper Speed Control^TMarchitecture enables

- High delta V operation (V_IN= 75V and V_OUT= 1.2V)

- Small output capacitance

The Micrel MIC2176-1/-2/-3 is a family of constant-frequency,

synchronous buck controllers featuring a unique digitally

modified adaptive ON-time control architecture. The MIC2176

family operates over an input supply range of 4.5V to 75V

and can be used to supply up to 15A of output current. The

output voltage is adjustable down to 0.8V with a guaranteed

accuracy of ±1%, and the device operates at a constant

switching frequency of 100kHz, 200kHz, and 300kHz.

•

4.5V to 75V input voltage

Output down to 0.8V with ±1% accuracy

Any Capacitor^TMStable

- Zero-ESR to high-ESR output capacitance

Micrel’s Hyper Speed Control^TMarchitecture allows for ultra-

fast transient response while reducing the output capacitance

and also makes (High V_IN)/(Low V_OUT) operation possible.

This digitally modified adaptive t_ONripple control architecture

combines the advantages of fixed-frequency operation and

fast transient response in a single device.

•

100kHz/200kHz/300kHz switching frequency

Internal compensation

6ms Internal soft-start

Foldback current limit and “hiccup” mode short-circuit

protection

Thermal shutdown

Supports safe start-up into a pre-biased output

–40°C to +125°C junction temperature range

Available in 10-pin MSOP package

•

The MIC2176 offers a full suite of protection features to

ensure protection of the IC during fault conditions. These

include undervoltage lockout to ensure proper operation

under power-sag conditions, internal soft-start to reduce

inrush current, fold-back current limit, “hiccup” mode short-

circuit protection and thermal shutdown.

Applications

All support documentation can be found on Micrel’s web

site at: www.micrel.com.

•

Distributed power systems

Networking/Telecom Infrastructure

Printers, scanners, graphic cards and video cards

___________________________________________________________________________________________________________

Typical Application

Efficiency

vs. Output Current

28V_IN

48V_IN

60V_IN

MIC2176-2

_OUT= 3.3V

V_DD= 5V LINEAR

OUTPUT CURRENT (A)

MIC2176-2 Adjustable Output 200KHz Buck Converter

Hyper Speed Control, SuperSwitcher II and Any Capacitor are trademarks of Micrel, Inc.

MLF and MicroLeadFrame are registered trademarks of Amkor Technology, Inc.

Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com

M9999-111710-A

November 2010

12 3 4 5 6 7...31

中文翻译

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与MIC2176-1YMMTR相关器件

型号	品牌	获取价格	描述	数据表
MIC2176-1YMM-TR	MICROCHIP	获取价格	SWITCHING CONTROLLER, 125kHz SWITCHING FREQ-MAX, PDSO10
MIC2176-2	MICREL	获取价格	Wide Input Voltage, Synchronous Buck Controllers Featuring Adaptive On-Time Control
MIC2176-2YMM	MICREL	获取价格	Wide Input Voltage, Synchronous Buck Controllers Featuring Adaptive On-Time Control
MIC2176-2YMMTR	MICROCHIP	获取价格	SWITCHING CONTROLLER, 250kHz SWITCHING FREQ-MAX, PDSO10, LEAD FREE, MSOP-10
MIC2176-2YMM-TR	MICROCHIP	获取价格	SWITCHING CONTROLLER, 250kHz SWITCHING FREQ-MAX, PDSO10
MIC2176-3	MICREL	获取价格	Wide Input Voltage, Synchronous Buck Controllers Featuring Adaptive On-Time Control
MIC2176-3YMM	MICREL	获取价格	Wide Input Voltage, Synchronous Buck Controllers Featuring Adaptive On-Time Control
MIC2176-3YMM	MICROCHIP	获取价格	SWITCHING CONTROLLER, 375kHz SWITCHING FREQ-MAX, PDSO10
MIC2176-3YMMTR	MICROCHIP	获取价格	SWITCHING CONTROLLER, 375kHz SWITCHING FREQ-MAX, PDSO10, LEAD FREE, MSOP-10
MIC2177	MICREL	获取价格	2.5A Synchronous Buck Regulator

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