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| 型号： | MIC5203-5.0BM4 TR |
| 厂商： | Micrel Inc |
| 文件页数： | 1/10页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 5V 80MA SOT143 |
| 标准包装： | 3,000 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 5V |
| 输入电压： | 最高 16V |
| 电压 - 压降（标准）： | 0.3V @ 80mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 80mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-253-4，TO-253AA |
| 供应商设备封装： | SOT-143 |
| 包装： | 带卷 (TR) |
| 其它名称： | MIC5203-5.0BM4TR |
MIC5203
μ Cap 80mA Low-Dropout Regulator
General Description
Features
The MIC5203 is a μCap 80mA linear voltage regulator with
very low dropout voltage (typically 20mV at light loads and
300mV at 80mA) and very low ground current (225μA at
20mA output), offering better than 3% initial accuracy with
a logic-compatible enable input.
TheμCap regulator design is optimized to work with low-
value, low-cost ceramic capacitors. The outputs typically
require only 0.47μF of output capacitance for stability.
Designed especially for hand-held, battery-powered
devices, the MIC5203 can be controlled by a CMOS or
TTL compatible logic signal. When disabled, power
consumption drops nearly to zero. If on-off control is not
required, the enable pin may be tied to the input for 3-
terminal operation. The ground current of the MIC5203
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Tiny 4- and 5-lead surface-mount packages
Wide selection of output voltages
Guaranteed 80mA output
Low quiescent current
Low dropout voltage
Low temperature coefficient
Current and thermal limiting
Reversed input polarity protection
Zero off-mode current
Logic-controlled shutdown
Stability with low-ESR ceramic capacitors
increases only slightly in dropout, further prolonging
battery life. Key MIC5203 features include current limiting,
Applications
overtemperature shutdown, and protection against
reversed battery.
The MIC5203 is available in 2.8V, 3.0V, 3.3V, 3.6V, 3.8V,
4.0V, 4.5V, 4.75V, and 5.0V fixed voltages. Other voltages
are available.
Data sheets and support documentation can be found on
Micrel’s web site at www.micrel.com .
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Cellular telephones
Laptop, notebook, and palmtop computers
Battery-powered equipment
Barcode scanners
SMPS post-regulator/DC-to-DC modules
High-efficiency linear power supplies
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Typical Application
Enable
Shutdown
LAxx
1
5
V OUT
V OUT
0.47μF
Enable
Shutdown
2
3
4
0.47μF
SOT-143 Version
SOT-23-5 Version
Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 (408) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com
November 2009
M9999-111909
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MIC5203-50BM5 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MIC520350BM5TR | 制造商:MICREL 功能描述:New |
| MIC5204 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:SCSI-II Active Terminator Preliminary Information |
| MIC5204_02 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:SCSI-II Active Terminator |
| MIC5204BM | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:SCSI-II Active Terminator Preliminary Information |
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