Datasheet > MIC33050

MIC33050

更新时间： 2024-11-21 14:52:23

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
22页	2583K
描述
The MIC33050 is a high efficiency 600mA PWM synchronous buck (step-down) regulator with internal i

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MIC33050 数据手册

MIC33050

4 MHz Internal Inductor PWM Buck Power Module with

HyperLight Load

Features

General Description

• Input Voltage: 2.7V to 5.5V

• 600 mA Output Current

The MIC33050 is a high-efficiency 600 mA PWM

synchronous buck (step-down) regulator with internal

inductor featuring HyperLight Load^®, a switching

scheme that offers best-in-class light load efficiency

and transient performance while providing very small

external components and low output ripple at all loads.

• Fixed and Adjustable Output Voltage Options

• No External Inductor Required

• Ultra-Fast Transient Response

• 20 µA Quiescent Current

The MIC33050 also has a very low typical quiescent

current of 20 µA and can achieve over 85% efficiency

even at 1 mA.

• 4 MHz Switching in PWM Mode

• Low Output Voltage Ripple

• >93% Peak Efficiency

In contrast to traditional light load schemes, the

HyperLight Load^®architecture does not trade off

control speed to obtain low standby currents and in

doing so, the device only needs a small output

capacitor to absorb the load transient as the powered

device goes from light load to full load.

• >85% Efficiency at 1 mA

• Micropower Shutdown

• 12-Pin 3 mm x 3 mm HDFN

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

Applications

• MPU Power

At higher loads, the MIC33050 provides a nearly

constant switching frequency of greater than 4 MHz

while providing peak efficiencies greater than 93%.

• Portable Instrumentation

• Wearable Devices

• Space-Constrained MCU Systems

• RF Modules

The MIC33050 is available in fixed and adjustable

output voltages and comes in a 12-pin 3 mm x 3 mm

HDFN with a junction operating range of –40°C to

+125°C.

• USB-Powered Devices

 2018 Microchip Technology Inc.

DS20006120A-page 1

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