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MIC22950YMLTR PDF预览

MIC22950YMLTR

更新时间： 2024-11-14 14:53:35
品牌 Logo 应用领域
美国微芯 - MICROCHIP 开关输出元件
页数 文件大小 规格书
22页 1028K
描述
21A SWITCHING REGULATOR, 2000kHz SWITCHING FREQ-MAX, QCC32, 5 X 5 MM, GREEN, MLF-32

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MIC22950YMLTR 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Transferred零件包装代码：DFN
包装说明：HVQCCN,针数：32
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.75
Is Samacsys：N其他特性：ALSO HAS ADJUSTABLE OUTPUT DOWN TO 0.7V
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制模式：CURRENT-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：5.5 V
最小输入电压：2.6 V标称输入电压：3.3 V
JESD-30 代码：S-XQCC-N32JESD-609代码：e4
长度：5 mm湿度敏感等级：2
功能数量：1端子数量：32
最高工作温度：125 °C最低工作温度：-40 °C
最大输出电流：21 A标称输出电压：1.8 V
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认证状态：Not Qualified
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：2000 kHz
温度等级：AUTOMOTIVE端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
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：5 mmBase Number Matches：1

MIC22950YMLTR 数据手册

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MIC22950  
10A Integrated Switch Synchronous  
Buck Regulator with Frequency  
Programmable to 2MHz  
General Description  
Features  
The Micrel MIC22950 is a high-efficiency 10A integrated  
switch, synchronous buck (step-down) regulator. The  
MIC22950 switching frequency is programmable from  
400kHz to 2MHz, allowing the customer to optimize  
designing either for efficiency or for the smallest footprint.  
The MIC22950 achieves over 95% efficiency while still  
switching at 2MHz over a broad load range.  
• 2.6V to 5.5V supply voltage  
• Fully-integrated MOSFET switches  
• Adjustable output voltage option down to 0.7V  
• Output load current up to 10A  
• Full sequencing and tracking capability  
• Power-On Reset  
• Efficiency >95% across a broad load range  
• Operating frequency programmable: 400kHz to 2MHz  
• Ultra-fast transient response  
The ultra-high-speed control loop keeps the output voltage  
within regulation, even under extreme transient load  
swings commonly found in FPGAs and low voltage ASICs.  
• 100% maximum duty cycle  
• Micropower shutdown  
The output voltage can be adjusted down to 0.7V in order  
to address all low-voltage power needs.  
• Thermal-shutdown and current-limit protection  
• Available in a 32-pin 5mm x 5mm MLF® package  
• −40°C to +125°C junction temperature range  
The MIC22950 features a full range of sequencing and  
tracking options. The EN/DLY and the DELAY pins,  
combined with the POR/PG pin, allow multiple outputs to  
be sequenced in several ways during turn-on and turn-off  
by using EN pin. The RC (Ramp Control™) pin allows the  
device to be connected to any another device in the  
MIC22x00 family of products, to keep the output voltages  
within a certain delta V during start-up.  
Applications  
• High-power density point-of-load conversion  
• Base stations, Servers and Routers  
• Blu-ray players, DVD Recorders  
• Computer Peripherals  
The MIC22950 is available in a 32-pin 5mm x 5mm MLF®  
with a junction operating range from −40°C to +125°C.  
Datasheet and supporting documentation can be found on  
Micrel’s web site at: www.micrel.com.  
• FPGAs, DSP, and low-voltage ASIC power  
_________________________________________________________________________________________________________________________  
Typical Application  
Efficiency vs. Load Current  
100  
95  
90  
85  
80  
75  
70  
VIN = 5V  
V
OUT = 3.3V  
65  
60  
T
A
= 25°C  
8
0
2
4
6
10  
LOAD CURRENT (A)  
MIC22950 10A Synchronous DC-DC Converter  
Sequencing and Tracking  
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  
M9999-021910-B  
February 2010  
1234567...22

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