Datasheet > MIC2206

MIC2206

更新时间： 2024-11-06 14:53:11

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
22页	4450K
描述
The MIC2206 is a high efficiency 2MHz PWM synchronous buck (step-down) regulator that features a

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MIC2206 数据手册

MIC2206

2 MHz PWM Synchronous Buck Regulator with LOWQ Mode and

Voltage Scaling

Feature

General Description

• 2.7 to 5.5V Supply Voltage

• Light Load LDO mode

- 18 µA quiescent current

- Low Noise, 75 µV_RMS

• 2 MHz PWM Mode

The MIC2206 is a high efficiency 2 MHz PWM

synchronous buck (step-down) regulator that features

an LDO standby mode that draws only 18 µA of

quiescent current. The MIC2206 allows an ultra-low

noise, small size, and high efficiency solution for

portable power applications.

- Output Current to 600 mA

- >95% Efficiency

In PWM mode, the MIC2206 operates with a constant

frequency 2 MHz PWM control. Under light load

conditions, such as in system sleep or standby modes,

the PWM switching operation can be disabled to

reduce switching losses. In this light load mode, the

LDO maintains the output voltage and draws only

18 µA of quiescent current. The LDO mode of

operation saves battery life while not introducing

spurious noise and high ripple as experienced with

pulse skipping or bursting mode regulators.

- 100% Maximum Duty Cycle

• Output Voltage Scaling (1V Output in LOWQ

Mode)

• Ultra-Fast Transient Response

• Stable with 1 µF Ceramic Output Capacitor

• Fully Integrated MOSFET Switches

• Micropower Shutdown

• Thermal Shutdown and Current Limit Protection

• Pb-Free 3 mm x 3 mm x 0.9 mm VDFN Package

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

The MIC2206 operates from 2.7V to 5.5V input and

features internal power MOSFETs that can supply up to

600 mA output current in PWM mode. It can operate

with a maximum duty cycle of 100% for use in low

dropout conditions.

Applications

• Cellular Phones

• PDAs

The MIC2206 is available in a 3 mm x 3 mm VDFN-10L

package with an operating junction temperature range

from –40°C to +125°C.

• USB Peripherals

Package Type

3 mm x 3 mm x 0.9 mm

VDFN-10 (ML)

 2020 Microchip Technology Inc.

DS20006452A-page 1

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