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参数资料
| 型号： | MIC5247-2.0BM5 TR |
| 厂商： | Micrel Inc |
| 文件页数： | 1/11页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 2V .15A SOT-23-5 |
| 标准包装： | 3,000 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 2V |
| 输入电压： | 2.7 V ~ 6 V |
| 电压 - 压降（标准）： | 0.15V @ 150mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 150mA |
| 电流 - 限制（最小）： | 160mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SC-74A，SOT-753 |
| 供应商设备封装： | SOT-23-5 |
| 包装： | 带卷 (TR) |
| 其它名称： | MIC5247-2.0BM5TR MIC5247-2.0BM5TR-ND |
MIC5247
General Description
The MIC5247 is an ef?cient and precise, low-voltage CMOS
voltage regulator optimized for ultra-low noise applications.
The MIC5247 offers better than 1% initial accuracy and
85 μ A constant ground current over load (typically 85 μ A).
The MIC5247 provides a very low-noise output, ideal for
RF applications where quiet voltage sources are required.
A noise bypass pin is also available for further reduction of
output noise.
Designed speci?cally for handheld and battery-powered de-
vices, the MIC5247 provides a logic compatible enable pin.
When disabled, power consumption drops nearly to zero.
The MIC5247 also works with low-ESR ceramic capacitors,
reducing the amount of board space necessary for power
applications, critical in handheld wireless devices.
Key features include current limit, thermal shutdown, a push-
pull output for faster transient response, and an active clamp
to speed up device turnoff. Available in the 6-pin 2mm × 2mm
MLF? package and the IttyBitty ? SOT-23-5 package, the
MIC5247 also offers a range of ?xed output voltages.
All support documentation can be found on Micrel’s web site
at www.micrel.com.
Typical Application
Micrel, Inc.
MIC5247
150mA Low-Voltage μ Cap Linear Regulator
Features
? Ultra-low noise
? Low-voltage outputs
? Load independent, ultra-low ground current: 85 μ A
? 150mA output current
? Current limiting
? Thermal shutdown
? Tight load and line regulation
? “Zero” off-mode current
? Stability with low-ESR capacitors
? Fast transient response
? Logic-controlled enable input
Applications
? Cellular phones and pagers
? Cellular accessories
? Battery-powered equipment
? Laptop, notebook, and palmtop computers
? PCMCIA V CC and V PP regulation/switching
? Consumer/personal electronics
? SMPS post-regulator/DC-to-DC modules
? High-ef?ciency linear power supplies
C OUT
C BYP
(optional)
1
V IN MIC5247-x.xBM5 V OUT
2
Enable 3 4
Shutdown
EN
EN (pin 3) may be
connected directly
to IN (pin 1).
ENABLE
SHUTDOWN
V IN
EN
MIC5247-x.xBML
1 6
2 5
3 4
C BYP
(optional)
V OUT
C OUT
Ultra-Low-Noise Regulator Application
Micrel, Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel + 1 (408) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com
February 2006
1
M9999-022406
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MIC5247-24BM5 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:RF Micro Devices Inc 功能描述: |
| MIC5248 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:150mA UCap CMOS LDO Regulator w/Power Good |
| MIC5248_06 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:150mA μCap CMOS LDO Regulator w/Power Good |
| MIC5248-1.2BM | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MIC5248-1.2BM5 | 制造商:Micrel Inc 功能描述: |
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