Datasheet > MIC24051YJL

MIC24051YJL

更新时间： 2024-09-20 12:25:59

品牌	Logo	应用领域
麦瑞 - MICREL		稳压器
页数	文件大小	规格书
30页	1329K
描述
12V, 6A High-Efficiency Buck Regulator

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MIC24051YJL 数据手册

MIC24051

12V, 6A High-Efficiency Buck Regulator

SuperSwitcher II

General Description

Features

The Micrel MIC24051 is a constant-frequency, synchronous

buck regulator featuring a unique adaptive on-time control

architecture. The MIC24051 operates over an input supply

range of 4.5V to 19V and provides a regulated output of up to

6A of output current. The output voltage is adjustable down to

0.8V with a guaranteed accuracy of ±1%, and the device

operates at a switching frequency of 600kHz.

•

Hyper Speed Control architecture enables

- High delta V operation (V_IN= 19V and V_OUT= 0.8V)

- Small output capacitance

•

4.5V to 19V voltage input

6A output current capability, up to 95% efficiency

Adjustable output from 0.8V to 5.5V

±1% feedback accuracy

Micrel’s Hyper Speed Control architecture allows for ultra-

fast transient response while reducing the output capacitance

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

This adaptive t_ONripple control architecture combines the

advantages of fixed-frequency operation and fast transient

response in a single device.

Any Capacitor stable - zero-to-high ESR

600kHz switching frequency

No external compensation

Power Good (PG) output

Foldback current-limit and “hiccup mode” short-circuit

protection

Supports safe start-up into a pre-biased load

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

Available in 28-pin 5mm × 6mm QFN package

The MIC24051 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, foldback current limit, “hiccup mode” short-

circuit protection and thermal shutdown. An open-drain

Power Good (PG) pin is provided.

•

Applications

The 6A HyperLight Load^®part, MIC24052, is also available

on Micrel’s web site.

•

Servers and work stations

Routers, switches, and telecom equipment

Base stations

All support documentation can be found on Micrel’s web

site at: www.micrel.com.

_________________________________________________________________________________________________________________________

Typical Application

Efficiency (VIN = 12V)

vs. Output Current

100

5.0V

3.3V

2.5V

1.8V

1.5V

1.2V

1.0V

0.9V

0.8V

OUTPUT CURRENT (A)

HyperLight Load is a registered trademark of Micrel, Inc.

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

M9999-112612-A

November 2012

12 3 4 5 6 7...30

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与MIC24051YJL相关器件

型号	品牌	获取价格	描述	数据表
MIC24051YJL-TR	MICROCHIP	获取价格	SWITCHING REGULATOR
MIC24052	MICREL	获取价格	12V, 6A High-Efficiency Buck Regulator
MIC24052	MICROCHIP	获取价格	The MIC24052 is a constant-frequency, synchronous DC/DC buck regulator featuring adaptive
MIC24052YJL	MICREL	获取价格	12V, 6A High-Efficiency Buck Regulator
MIC24052YJL-TR	MICROCHIP	获取价格	SWITCHING REGULATOR
MIC24053	MICREL	获取价格	12V, 9A High-Efficiency Buck Regulator
MIC24053	MICROCHIP	获取价格	The MIC24053 is a constant-frequency, synchronous buck regulator featuring a unique adapti
MIC24053YJL	MICREL	获取价格	12V, 9A High-Efficiency Buck Regulator
MIC24053YJL-TR	MICROCHIP	获取价格	SWITCHING REGULATOR
MIC24054	MICREL	获取价格	12V, 9A High-Efficiency Buck Regulator

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