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MIC22705YMLTR

更新时间： 2024-02-26 04:06:58

品牌	Logo	应用领域
麦瑞 - MICREL		稳压器开关
页数	文件大小	规格书
29页	1814K
描述
21A SWITCHING REGULATOR, 1200kHz SWITCHING FREQ-MAX, QCC24, 4 X 4 MM, GREEN, MLF-24

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MIC22705YMLTR 技术参数

是否Rohs认证：	符合	生命周期：	Active
包装说明：	4 X 4 MM, GREEN, MLF-24	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
Factory Lead Time：	14 weeks	风险等级：	5.69
其他特性：	OUTPUT ADJUSTABLE DOWN TO 0.7V	模拟集成电路 - 其他类型：	SWITCHING REGULATOR
控制模式：	VOLTAGE-MODE	控制技术：	PULSE WIDTH MODULATION
最大输入电压：	5.5 V	最小输入电压：	2.9 V
标称输入电压：	3.3 V	JESD-30 代码：	S-XQCC-N24
JESD-609代码：	e3	长度：	4 mm
湿度敏感等级：	3	功能数量：	1
端子数量：	24	最高工作温度：	125 °C
最低工作温度：	-40 °C	最大输出电流：	21 A
封装主体材料：	UNSPECIFIED	封装代码：	HVQCCN
封装形状：	SQUARE	封装形式：	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：	260	座面最大高度：	0.9 mm
表面贴装：	YES	切换器配置：	BUCK
最大切换频率：	1200 kHz	温度等级：	AUTOMOTIVE
端子面层：	Matte Tin (Sn) - annealed	端子形式：	NO LEAD
端子节距：	0.5 mm	端子位置：	QUAD
处于峰值回流温度下的最长时间：	40	宽度：	4 mm
Base Number Matches：	1

MIC22705YMLTR 数据手册

MIC22705

1MHz, 7A Integrated Switch High-Efficiency

Synchronous Buck Regulator

General Description

Features

The Micrel MIC22705 is a high-efficiency, 7A integrated

switch synchronous buck (step-down) regulator. The

MIC22705 is optimized for highest efficiency, achieving

more than 95% efficiency while still switching at 1MHz.

The ultra-high speed control loop keeps the output voltage

within regulation even under the extreme transient load

swings commonly found in FPGAs and low-voltage ASICs.

The output voltage is pre-bias safe and can be adjusted

down to 0.7V to address all low-voltage power needs.

• Input voltage range: 2.9V to 5.5V

• Output voltage adjustable down to 0.7V

• Output load current up to 7A

• Safe start-up into a pre-biased output load

• Full sequencing and tracking capability

• Power Good output

• Efficiency >95% across a broad load range

• Ultra-fast transient response

• Easy RC compensation

The MIC22705 offers a full range of sequencing and

tracking options. The Enable/Delay (EN/DLY) pin,

combined with the Power Good (PG) pin, allows multiple

outputs to be sequenced in any way during turn-on and

turn-off. The Ramp Control™ (RC) pin allows the device to

be connected to another product in the MIC22xxx and/or

MIC68xxx family, to keep the output voltages within a

certain ∆V on start-up.

• 100% maximum duty cycle

• Fully-integrated MOSFET switches

• Thermal-shutdown and current-limit protection

• 24-pin 4mm x 4mm MLF^®

• –40°C to +125°C junction temperature range

The MIC22705 is available in a 24-pin 4mm x 4mm MLF^®

with a junction operating range from –40°C to +125°C.

Data sheets and support documentation can be found on

Micrel’s web site at: www.micrel.com.

Applications

• High power density point-of-load conversion

• Servers, routers, and base stations

• DVD recorders / Blu-ray players

• Computing peripherals

• FPGAs, DSP and low-voltage ASIC power

_________________________________________________________________________________________________________________________

Typical Application

Efficiency (V_IN= 5.0V)

vs. Output Current

100

3.3V

2.5V

V_IN= 5.0V

OUTPUT CURRENT (A)

MIC22705 7A 1MHz Synchronous Output Converter

Ramp Control is a trademark of Micrel, Inc

MLF and MicroLeadFrame are registered trademarks of Amkor Technology, Inc.

Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com

M9999-033111-A

March 2011

12 3 4 5 6 7...29

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