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參數資料
| 型號： | MIC5203-4.5YM5TR |
| 廠商： | MICREL INC |
| 元件分類： | 固定正電壓單路輸出LDO穩壓器 |
| 英文描述： | 4.5 V FIXED POSITIVE LDO REGULATOR, 0.6 V DROPOUT, PDSO5 |
| 封裝： | LEAD FREE, SOT-23, 5 PIN |
| 文件頁數： | 1/10頁 |
| 文件大小： | 260K |
| 代理商： | MIC5203-4.5YM5TR |
MIC5203
μ
Cap 80mA Low-Dropout Regulator
General Description
Micrel Inc. 2180 Fortune Drive San Jose, CA 95131 USA tel +1 (408) 944-0800 fax + 1 (408) 474-1000
http://www.micrel.com
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
increases only slightly in dropout, further prolonging
battery life. Key MIC5203 features include current limiting,
overtemperature
shutdown,
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.
Micrel’s web site at www.micrel.com
.
and
protection
against
Features
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
Applications
Cellular telephones
Laptop, notebook, and palmtop computers
Battery-powered equipment
Barcode scanners
SMPS post-regulator/DC-to-DC modules
High-efficiency linear power supplies
_________________________________________________________________________________________________________________________
Typical Application
Enable
Shutdown
LAxx
V
OUT
0.47μF
1
5
2
3
4
0.47μF
V
OUT
Enable
Shutdown
SOT-143 Version SOT-23-5 Version
November 2009
M9999-111909
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MIC5203-5.0BM4 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:μCap 80mA Low-Dropout Regulator |
| MIC5203-5.0BM4 TR | 功能描述:IC REG LDO 5V 80MA SOT143 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩壓器 - 線性 系列:- 標準包裝:3,000 系列:- 穩壓器拓撲結構:正，固定式 輸出電壓:3.8V 輸入電壓:最高 16V 電壓 - 壓降（標準）:0.3V @ 80mA 穩壓器數量:1 電流 - 輸出:80mA 電流 - 限制（最小）:- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應商設備封裝:SOT-23-5 包裝:帶卷 (TR) 其它名稱:MIC5203-3.8BM5TRMIC5203-3.8BM5TR-ND |
| MIC5203-5.0BM4TR | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
| MIC5203-5.0BM5 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MIC5203-5.0BM5 TR | 功能描述:IC REG LDO 5V 80MA SOT23-5 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩壓器 - 線性 系列:- 標準包裝:500 系列:- 穩壓器拓撲結構:正，固定式 輸出電壓:12V 輸入電壓:14.5 V ~ 35 V 電壓 - 壓降（標準）:- 穩壓器數量:1 電流 - 輸出:500mA 電流 - 限制（最小）:- 工作溫度:-40°C ~ 125°C 安裝類型:通孔 封裝/外殼:TO-205AD，TO-39-3 金屬罐 供應商設備封裝:TO-39 包裝:散裝 其它名稱:*LM78M12CH*LM78M12CH/NOPBLM78M12CH |
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