Datasheet > MIC24052

MIC24052

更新时间： 2024-09-21 14:53:31

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
34页	1856K
描述
The MIC24052 is a constant-frequency, synchronous DC/DC buck regulator featuring adaptive on-time

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MIC24052 数据手册

MIC24052

12V, 6A High-Efficiency Buck Regulator

with HyperLight Load

Features

General Description

• HyperLight Load^®Efficiency: up to 80% at 10 mA

• Hyper Speed Control^®Architecture Enables:

The MIC24052 is a constant-frequency, synchronous

DC/DC buck regulator featuring a unique adaptive

on-time control architecture. The MIC24052 operates

over an input supply range of 4.5V to 19V. It has an

internal linear regulator which provides a regulated 5V

to power the internal control circuitry. The MIC24052

operates at a constant 600 kHz switching frequency in

continuous-conduction mode and can be used to

provide up to 6A of output current. The output voltage

is adjustable down to 0.8V.

Microchip’s HyperLight Load^®architecture provides

the same high-efficiency and ultra-fast transient

response as the Hyper Speed Control^®architecture

under medium to heavy loads, but also maintains high

efficiency under light load conditions by transitioning to

variable-frequency, discontinuous-mode operation.

- High Delta V Operation (V_IN= 19V and V_OUT

= 0.8V)

- Small Output Capacitance

• 4.5V to 19V Input Voltage Range

• 6A Output Current Capability

• Up to 95% Efficiency

• Adjustable Output from 0.8V to 5.5V

• ±1% Feedback Accuracy

• Any Capacitor Stable - Zero-to-High ESR

• 600 kHz Switching Frequency

• Power Good (PG) Output

• Foldback Current-Limit and “Hiccup Mode”

Short-Circuit Protection

The MIC24052 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, thermal

shutdown, internal soft-start to reduce the inrush

current, foldback current limit and “hiccup mode”

short-circuit protection. The MIC24052 includes a

power good (PG) output to allow simple sequencing.

• Supports Safe Start-Up into a Pre-Biased Load

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

• Available in a 28-pin 5 mm x 6 mm QFN Package

Applications

• Servers and Workstations

• Routers, Switches, and Telecom Equipment

• Base Stations

The 6A Hyper Speed Control part, MIC24051, is also

available on Microchip’s web site.

Typical Application Schematic

MIC24052

28-PIN QFN

MIC24052

VDD

PVDD

2.2μF

BST

0.1μF

SGND

10k

2.2μH

0.1μF

19.6k

V_OUT

1.8V/6A

V_IN

VIN

PVIN

4.7nF

4.5V TO 19V

100μF

4.7μF

2.49k

2.00k

PGND

 2016 Microchip Technology Inc.

DS20005659A-page 1

12 3 4 5 6 7...34

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与MIC24052相关器件

型号	品牌	获取价格	描述	数据表
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
MIC24054	MICROCHIP	获取价格	The MIC24054 is a constant-frequency, synchronous DC/DC buck regulator featuring adaptive
MIC24054YJL	MICREL	获取价格	12V, 9A High-Efficiency Buck Regulator
MIC24054YJL-TR	MICROCHIP	获取价格	SWITCHING REGULATOR

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