Datasheet > MIC2104YML

MIC2104YML

更新时间： 2024-09-15 12:03:59

品牌	Logo	应用领域
麦瑞 - MICREL		控制器
页数	文件大小	规格书
36页	1311K
描述
75V, Synchronous Buck Controllers featuring Adaptive On-Time Control

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MIC2104YML 数据手册

MIC2103/04

75V, Synchronous Buck Controllers

featuring Adaptive On-Time Control

Hyper Speed Control™ Family

General Description

Features

The

Micrel MIC2103/04

are constant-frequency,



Hyper Speed Control architecture enables

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

- Any Capacitor^TMstable

synchronous buck controllers featuring a unique adaptive

ON-time control architecture. The MIC2103/04 operates

over an input supply range from 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%. The device operates with programmable

switching frequency from 200kHz to 600kHz.



4.5V to 75V input voltage

0.8V Reference Voltage with ±1% accuracy

200kHz to 600kHz, programmable switching frequency

Hyper Light Load Control (MIC2103 only)

Hyper Speed Control (MIC2104 only)

Enable input, Power-Good output

Built-in 5V regulator for single-supply operation

Programmable current limit and fold-back “hiccup”

mode short-circuit protection

5ms internal soft-start, internal compensation, and

thermal shutdown

Supports safe start-up into a pre-biased output

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

Available in 16-pin 3mm x 3mm MLF^®package

Micrel’s Hyper Light Load™ architecture provides the same

high-efficiency and ultra fast transient response as the Hyper

Speed Control architecture under the medium to heavy loads,

but also maintains high efficiency under light load conditions

by transitioning to variable frequency, discontinuous-mode

operation.



The MIC2103/04 offers a full suite of protection features to

ensure protection of the IC during fault conditions. These

include under-voltage 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.



All support documentation can be found on Micrel’s web

site at: www.micrel.com.

Applications



Distributed power systems

Networking/Telecom Infrastructure

Printers, scanners, graphic cards and video cards

_________________________________________________________________________________________________________________________

Typical Application

Efficiency (V_IN= 48V)

vs. Output Current (MIC2103)

100

5.0V

3.3V

2.5V

1.8V

1.2V

0.8V

f_SW= 200kHz (CCM)

9 10 11 12 13 14

OUTPUT CURRENT (A)

Hyper Speed Control, Hyper Light Load 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

M9999-080712-A

August 2012

12 3 4 5 6 7...36

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与MIC2104YML相关器件

型号	品牌	获取价格	描述	数据表
MIC2104YML-TR	MICROCHIP	获取价格	75V Synchronous Buck Controllers Featuring Adaptive ON-Time Control
MIC2111	MICREL	获取价格	Single-Phase, Multi-Mode, High-Performance, Step-Down PWM Controller
MIC2111AYML	MICREL	获取价格	Single-Phase, Multi-Mode, High-Performance, Step-Down PWM Controller
MIC2111B	MICREL	获取价格	High-Performance, Multi-Mode, Step-Down Controller
MIC2111B	MICROCHIP	获取价格	MIC2111B is a programmable-frequency, valley-current/voltage-mode PWM controller that prov
MIC2111BYML	MICREL	获取价格	Single-Phase, Multi-Mode, High-Performance, Step-Down PWM Controller
MIC2111BYMT	MICREL	获取价格	High-Performance, Multi-Mode, Step-Down Controller
MIC2111BYMT-T5	MICROCHIP	获取价格	HIGH PERFORMANCE, MULTI-MODE, ST
MIC2124	MICREL	获取价格	Constant Frequency, Synchronous Current Mode Buck Controller
MIC2124	MICROCHIP	获取价格	The MIC2124 is a member of the Hyper Speed Control? family of DC-DC controllers. It uses

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