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参数资料
| 型号： | MIC2204YMM TR |
| 厂商： | Micrel Inc |
| 文件页数： | 1/11页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 0.6A 10MSOP |
| 标准包装： | 1 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 可调至 1V |
| 输入电压： | 2.3 V ~ 5.5 V |
| PWM 型： | 电压模式 |
| 频率 - 开关： | 2MHz |
| 电流 - 输出： | 600mA |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 包装： | 剪切带 (CT) |
| 供应商设备封装： | 10-MSOP |
| 产品目录页面： | 1092 (CN2011-ZH PDF) |
| 其它名称： | 576-1071-1 |
MIC2204
General Description
Micrel, Inc.
MIC2204
High-Efficiency 2MHz Synchronous Buck Converter
Features
The Micrel MIC2204 is a high-efficiency, 2MHz PWM syn-
chronous buck switching regulator. Power conversion effi-
ciency of above 95% is easily obtainable over a wide range
of applications. A proprietary internal compensation tech-
nique ensures stability with the smallest possible inductor
and ceramic output capacitor.
The MIC2204 operates from 2.3V to 5.5V input and features
internal power MOSFETs that can supply over 600mA of
output current with output voltages down to 1V. The MIC2204
implements a constant 2MHz pulse-width-modulation (PWM)
control scheme which reduces spurious noise in sensitive RF
and communication applications. Additionally, the MIC2204
can be synchronized to an external clock, or multiple MIC2204s
can easily be daisy-chained with the SYNCLOCK feature.
The MIC2204 has a high bandwidth loop (typ. 200kHz) which
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Input voltage range: 2.3V to 5.5V
Output down to 1V/ 600mA
2MHz PWM operation
Ultra-fast transient response (typical 200kHz GBW)
Internal compensation
All ceramic capacitors
>95% efficiency
Fully integrated MOSFET switches
Easily synchronized to external clock
SYNCLOCK feature to daisy-chain multiple 2204s
<340 μ A quiescent current
Logic controlled micropower shutdown
Thermal shutdown and current limit protection
10-pin MSOP and 3mm × 3mm MLF?-10L
–40 ° C to +125 ° C junction temperature range
allows ultra-fast transient response times. This is very useful
when powering applications that require fast dynamic re-
Applications
sponses, such as the CPU cores and RF circuitry in high-
performance cellular phones and PDAs.
The MIC2204 is available in 10-pin MSOP and 3mm × 3mm
MLF?-10L package options with an operating junction tem-
perature range from –40 ° C to 125 ° C .
Typical Application
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High-efficiency portable power
Cellular phones
PDAs
802.11 WLAN power supplies
RF power supplies
Li Ion battery powered applications
4.7 μ H
MIC2204BMM
3.3V
500mA
100
95
Efficiency
vs. Output Current
2.3V to 6V
SYNC_IN
1
2
3
10
9
8
4.7 μ F
90
85
80
75
4.2V IN
5V IN
3.6V IN
SYNC_OUT
EN
4
5
7
6
10nF
70
65
60
55
50
0
3.3V OUT
100 200 300 400 500
OUTPUT CURRENT (mA)
Adjustable Output Synchronous Buck Converter
MLF and Micro LeadFrame are 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
April 2005
1
M9999-042205
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MIC2205 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:2MHz PWM Synchronous Buck Regulator with LDO Standby Mode |
| MIC2205_06 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:2MHz PWM Synchronous Buck Regulator with LDO Standby Mode |
| MIC2205-1.38YML | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:2MHz PWM Synchronous Buck Regulator with LDO Standby Mode |
| MIC2205-1.38YML TR | 功能描述:直流/直流开关调节器 2MHz Synchronous Buck Regulator (Lead Free) RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MIC2205-1.3YML | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:2MHz PWM Synchronous Buck Regulator with LDO Standby Mode |
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