Datasheet > MIC23450

MIC23450

更新时间： 2024-09-21 14:54:39

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
26页	2893K
描述
The MIC23450 is a high-efficiency, 3MHz, triple 2A, synchronous buck regulator with HyperLight Loa

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MIC23450 数据手册

MIC23450

3 MHz, PWM, 2A Triple Buck Regulator

with HyperLight Load and Power Good

Features

General Description

• 2.7V to 5.5V Input Voltage

The MIC23450 is a high-efficiency, 3 MHz, triple 2A,

synchronous buck regulator with HyperLight Load^®

mode. HyperLight Load provides very high efficiency at

light loads and ultra-fast transient response which is

perfectly suited for supplying processor core voltages.

An additional benefit of this proprietary architecture is

very low output ripple voltage throughout the entire

load range with the use of small output capacitors. The

5 mm x 5 mm QFN package saves board space and

requires only five external components for each

channel.

• Three Independent 2A Outputs

• Up to 93% Peak Efficiency

• 81% Typical Efficiency at 1 mA

• Three Independent Power Good Indicators

• 23 µA Typical Quiescent Current (Per Channel)

• 3 MHz PWM Operation in Continuous Mode

• Ultra-Fast Transient Response

• Low Voltage Output Ripple

- 30 mV_PPRipple in HyperLight Load^®Mode

The MIC23450 is designed for use with a very small

inductor, down to 0.47 µH, and an output capacitor as

small as 2.2 µF that enables a total solution size, less

than 1 mm height.

- 5 mV Output Voltage Ripple in Full PWM

Mode

• Fully Integrated MOSFET Switches

• 0.01 µA Shutdown Current (Per Channel)

• Thermal-Shutdown and Current-Limit Protection

• Output Voltage as Low as 1V

The MIC23450 has a very low quiescent current of 23

µA each channel and achieves as high as 81%

efficiency at 1 mA. At higher loads, the MIC23450

provides a constant switching frequency around 3 MHz

while achieving peak efficiencies up to 93%.

• 32-Pin 5 mm x 5 mm QFN Package

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

The MIC23450 is available in 32-pin 5 mm x 5 mm

QFN package with an operating junction temperature

range from –40°C to +125°C.

Applications

• Solid State Drives (SSD)

• µC/µP, FPGA, and DSP power

• Test and Measurement Systems

• Set-Top Boxes and DTV

Package Type

MIC23450

32-Lead QFN (ML) - Adjustable

(Top View)

• High-Performance Servers

• Security/Surveillance Cameras

• 5V POL Applications

32 31 30 29 28 27 26 25

PG1

AGND1

EN2

SNS2

FB2

PGND1

SW2

22 PGND2

SW3

ePAD

PG2

AGND2

EN3

PGND3

10 11 12 13 14 15 16

 2021 Microchip Technology Inc.

DS20006479A-page 1

12 3 4 5 6 7...26

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与MIC23450相关器件

型号	品牌	获取价格	描述	数据表
MIC23450-AAAYML	MICREL	获取价格	3MHz, PWM, 2A Triple Buck Regulator with Hype
MIC23451	MICREL	获取价格	3MHz, 2A Triple Synchronous Buck Regulator
MIC23451	MICROCHIP	获取价格	The MIC23451 is a high-efficiency, 3MHz, triple 2A, synchronous buck regulator with HyperL
MIC23451-AAAYFL	MICREL	获取价格	3MHz, 2A Triple Synchronous Buck Regulator
MIC23451-AAAYFL-TR	MICROCHIP	获取价格	SWITCHING REGULATOR
MIC-2353	ADVANTECH	获取价格	Half-size Celeron? M 600 CPU Module
MIC-2353F	ADVANTECH	获取价格	Half-size Celeron? M 600 CPU Module
MIC2358	MICREL	获取价格	IEEE 802.3af Octal Power Sourcing Equipment Controller
MIC2358_11	MICREL	获取价格	IEEE 802.3af Octal Power Sourcing Equipment Controller
MIC2358YLQ	MICREL	获取价格	IEEE 802.3af Octal Power Sourcing Equipment Controller

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