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參數資料
| 型號： | MIIC5271-3.0BM5 |
| 廠商： | Micrel Semiconductor,Inc. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection |
| 中文描述： | 無電容，NMOS管，150mA的低壓差穩壓器的反向電流保護 |
| 文件頁數： | 1/10頁 |
| 文件大小： | 117K |
| 代理商： | MIIC5271-3.0BM5 |
October 2003
1
MIC5271
MIC5271
Micrel
MIC5271
μ
Cap Negative Low-Dropout Regulator
General Description
The MIC5271 is a
μ
Cap 100mA negative regulator in a
SOT-23-5 package. With better than 2% initial accuracy, this
regulator provides a very accurate supply voltage for applica-
tions that require a negative rail. The MIC5271 sinks 100mA
of output current at very low dropout voltage (600mV maxi-
mum at 100mA of output current).
The
μ
Cap regulator design is optimized to work with low-
value, low-cost ceramic capacitors. The output typically re-
quires only a 1
μ
F capacitance for stability.
Designed for applications where small packaging and effi-
ciency are critical, the MIC5271 combines LDO design exper-
tise with IttyBitty
packaging to improve performance and
reduce power dissipation. Ground current is optimized to help
improve battery life in portable applications. The MIC5271
also includes a TTL-compatible enable pin, allowing the user
to put the part into a zero-current off-mode.
The MIC5271 is available in the SOT-23-5 package for space
saving applications and it is available with an adjustable
output.
Data sheets and support documentation can be found on
Micrel’s web site at www.micrel.com.
Typical Application
Features
Stable with ceramic or tantalum capacitor
Positive and negative enable thresholds
Low dropout voltage: 500mV @ 100mA
Low ground current: 35
μ
A @ load = 100
μ
A
Tight initial accuracy:
±
2%
Tight load and line regulation
Thermal shutdown
Current limiting
IttyBitty
SOT-23-5 packaging
Zero-current off-mode
Applications
GaAsFET bias
Portable cameras and video recorders
PDAs
Battery-powered equipment
Post-regulation of DC-DC converters
IttyBitty is a registered trademark of Micrel, Inc.
Micrel, Inc. 1849 Fortune Drive San Jose, CA 95131 USA tel + 1 (408) 944-0800 fax + 1 (408) 944-0970 http://www.micrel.com
Ordering Information
Part Number
MIC5271BM5
MIC5271-3.0BM5
MIC5271-5.0BM5
* For other voltage options, please contact Micrel Marketing.
Marking
L9AA
L930
L950
Voltage*
Adj.
–3.0V
–5.0V
Junction Temp. Range
–40
°
C to +125
°
C
–40
°
C to +125
°
C
–40
°
C to +125
°
C
Package
SOT-23-5
SOT-23-5
SOT-23-5
MIC5271BM5
GND
EN
–OUT
–IN
1
μ
F
10
μ
F
–5.0V
–6.0V
V
IN
2
5
1
4
3
V
R1
R2
OUT
ADJ
Regulator With Adjustable Output
-5
-4
-3
-2
-1
0
1
2
3
4
5
-3
-5
SUPPLY VOLTAGE (V)
-7
-9
-11 -13 -15
E
Enable Input
Regulator On
Regulator On
Regulator Off
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MIIC5271-5.0BM5 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:UCAP NEGATIVE LOW DROPOUT REGULATOR |
| MIIC5271BM5 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:UCAP NEGATIVE LOW DROPOUT REGULATOR |
| MI-J00 | 制造商:VICOR 制造商全稱:Vicor Corporation 功能描述:Military DC-DC Converters 10 to 50W |
| MIJ-1 | 功能描述:保險絲 BUSS MIDGET FUSE RoHS:否 制造商:Littelfuse 產品:Surface Mount Fuses 電流額定值:0.5 A 電壓額定值:600 V 保險絲類型:Fast Acting 保險絲大小/組:Nano 尺寸:12.1 mm L x 4.5 mm W 安裝風格: 端接類型:SMD/SMT 系列:485 |
| MIJ-15 | 功能描述:保險絲 BUSS MIDGET FUSE RoHS:否 制造商:Littelfuse 產品:Surface Mount Fuses 電流額定值:0.5 A 電壓額定值:600 V 保險絲類型:Fast Acting 保險絲大小/組:Nano 尺寸:12.1 mm L x 4.5 mm W 安裝風格: 端接類型:SMD/SMT 系列:485 |
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