Datasheet > MIC2125

MIC2125

更新时间： 2024-11-07 01:13:11

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
34页	1232K
描述
28V Synchronous Buck Controllers Featuring Adaptive ON-Time Control

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MIC2125 数据手册

MIC2125/6

28V Synchronous Buck Controllers

Featuring Adaptive ON-Time Control

Features

General Description

• Hyper Speed Control Architecture Enables:

The MIC2125 and MIC2126 are constant-frequency

synchronous buck controllers featuring a unique

adaptive ON-time control architecture. The MIC2125/6

operate over an input voltage range from 4.5V to 28V

and can be used to supply load current up to 25A. The

output voltage is adjustable down to 0.6V with a

guaranteed accuracy of ±1%. The device operates with

programmable switching frequency from 200 kHz to

750 kHz.

- High delta V operation (V_IN= 28V and V_OUT

= 0.6V)

- Any Capacitor™ stable

• 4.5V to 28V Input Voltage

• Adjustable Output Voltage from 0.6V to 24V

• 200 kHz to 750 kHz Programmable Switching

Frequency

• HyperLight Load^®(MIC2125)

HyperLight Load^®architecture provides the same high

efficiency and ultra-fast transient response as the

Hyper Speed Control^®architecture under medium to

heavy loads. It also maintains high efficiency under

light load conditions by transitioning to variable

frequency, discontinuous conduction mode operation.

• Hyper Speed Control^®(MIC2126)

• Enable Input and Power Good Output

• Built-in 5V Regulator for Single-Supply Operation

• Programmable current limit and “hiccup” mode

short-circuit protection

The MIC2125/6 offer a full suite of 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, “hiccup” mode

short-circuit protection, and thermal shutdown.

• 7 ms internal soft-start, internal compensation,

and thermal shutdown

• Supports Safe Start-Up into a Prebiased Output

• –40°C to +125°C Junction Temperature Range

• Available in 16-pin, 3 mm × 3 mm QFN Package

Applications

Package Type

• Networking/Telecom Equipment

• Base Stations, Servers

• Distributed Power Systems

• Industrial Power Supplies

MIC2125/6

16-Pin 3 mm x 3 mm QFN (ML)

14 13

12 AGND

VDD

PVDD

EP 17

ILIM

OVP

BST

 2015 Microchip Technology Inc.

DS20005459B-page 1

12 3 4 5 6 7...34

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与MIC2125相关器件

型号	品牌	获取价格	描述	数据表
MIC2125YML	MICROCHIP	获取价格	28V Synchronous Buck Controllers Featuring Adaptive ON-Time Control
MIC2126	MICROCHIP	获取价格	28V Synchronous Buck Controllers Featuring Adaptive ON-Time Control
MIC2126YML	MICROCHIP	获取价格	SWITCHING CONTROLLER
MIC2127	MICROCHIP	获取价格	The MIC2127A is a constant-frequency synchronous buck controllers featuring a unique adapt
MIC2127A	MICROCHIP	获取价格	75V, Synchronous Buck Controller Featuring Adaptive On-Time Control
MIC2127AYML-T5	MICROCHIP	获取价格	75V, SYNCHRONOUS BUCK CONTROLLER
MIC2127AYML-TR	MICROCHIP	获取价格	75V SYNCHRONOUS BUCK CONTROLLER
MIC2128	MICROCHIP	获取价格	The MIC2128 is a constant-frequency synchronous buck controllers featuring a unique adapti
MIC2128YML	MICROCHIP	获取价格	SWITCHING CONTROLLER
MIC2128YML-T5	MICROCHIP	获取价格	75V, SYNCHRONOUS BUCK CONTROLLER

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