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參數(shù)資料
| 型號： | mic5205 |
| 廠商： | Micrel Semiconductor,Inc. |
| 英文描述： | 150mA Low-Noise LDO Regulator(輸出電流150mA低噪聲低壓差穩(wěn)壓器) |
| 中文描述： | 150mA低噪聲LDO穩(wěn)壓器（輸出電流為150mA低噪聲低壓差穩(wěn)壓器） |
| 文件頁數(shù)： | 1/12頁 |
| 文件大小： | 81K |
| 代理商： | MIC5205 |
MIC5205
Micrel
June 2000
1
MIC5205
General Description
The MIC5205 is an efficient linear voltage regulator with ultra-
low-noise output, very low dropout voltage (typically 17mV at
light loads and 165mV at 150mA), and very low ground
current (600
μ
A at 100mA output). The MIC5205 offers better
than 1% initial accuracy.
Designed especially for hand-held, battery-powered devices,
the MIC5205 includes a CMOS or TTL compatible enable/
shutdown control input. When shutdown, power consump-
tion drops nearly to zero. Regulator ground current increases
only slightly in dropout, further prolonging battery life.
Key MIC5205 features include a reference bypass pin to
improve its already excellent low-noise performance, re-
versed-battery protection, current limiting, and
overtemperature shutdown.
The MIC5205 is available in fixed and adjustable output
voltage versions in a small SOT-23-5 package.
For low-dropout regulators that are stable with ceramic
output capacitors, see the
μ
Cap MIC5245/6/7 family.
Typical Application
1
5
2
3
4
C
OUT
= 2.2μF
tantalum
C
BYP
Enable
Shutdown
EN
V
OUT
Low-Noise Operation:
C
BYP
= 470pF, C
OUT
≥
2.2μF
Basic Operation:
C
BYP
= not used, C
OUT
≥
1μF
MIC5205-x.xBM5
EN (pin 3) may be
connected directly
to IN (pin 1).
V
IN
Ultra-Low-Noise Regulator Application
MIC5205
150mA Low-Noise LDO Regulator
Features
Ultra-low-noise output
High output voltage accuracy
Guaranteed 150mA output
Low quiescent current
Low dropout voltage
Extremely tight load and line regulation
Very low temperature coefficient
Current and thermal limiting
Reverse-battery protection
“Zero” off-mode current
Logic-controlled electronic enable
Applications
Cellular telephones
Laptop, notebook, and palmtop computers
Battery-powered equipment
PCMCIA V
CC
and V
PP
regulation/switching
Consumer/personal electronics
SMPS post-regulator/dc-to-dc modules
High-efficiency linear power supplies
Micrel, Inc. 1849 Fortune Drive San Jose, CA 95131 USA tel + 1 (408) 944-0800 fax + 1 (408) 944-0970 http://www.micrel.com
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MIC5205_06 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:150mA Low-Noise LDO Regulator |
| MIC5205-1.5BM5 | 制造商:Exar Corporation 功能描述:VOLTAGE REGULATOR |
| MIC5205-1.88BM5TR | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel 制造商:RF Micro Devices Inc 功能描述: 制造商:Micrel Inc 功能描述: |
| MIC5205-1.8BM5 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MIC5205-2.5BM5 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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