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參數資料
| 型號： | MIC5203-5.0BM5 |
| 廠商： | MICREL INC |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | レCap⑩ 80mA Low-Dropout Voltage Regulator |
| 中文描述： | 5 V FIXED POSITIVE LDO REGULATOR, 0.6 V DROPOUT, PDSO5 |
| 封裝： | SOT-23, 5 PIN |
| 文件頁數： | 1/7頁 |
| 文件大?。?/td> | 81K |
| 代理商： | MIC5203-5.0BM5 |
December 1998
3-141
MIC5203
Micrel
3
General Description
The MIC5203 is a
μ
Cap 80mA linear voltage regulator with
very low dropout voltage (typically 20mV at light loads and
300mV at 80mA) and very low ground current (225
μ
A at
20mA output), offering better than 3% initial accuracy with a
logic-compatible enable input.
The
μ
Cap regulator design is optimized to work with low-
value, low-cost ceramic capacitors. The outputs typically
require only 0.47
μ
F 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, 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; contact Micrel for details.
Typical Applications
ShEnable
LAxx
V
OUT
0.47μF
SOT-143 Version
1
5
2
3
4
0.47μF
V
OUT
Enable
Shutdown
L
SOT-23-5 Version
Ordering Information
Part Number
MIC5203-3.0BM4
MIC5203-3.3BM4
MIC5203-3.6BM4
MIC5203-3.8BM4
MIC5203-4.0BM4
MIC5203-4.5BM4
MIC5203-4.7BM4
MIC5203-5.0BM4
MIC5203-2.8BM5
MIC5203-3.0BM5
MIC5203-3.3BM5
MIC5203-3.6BM5
MIC5203-3.8BM5
MIC5203-4.0BM5
MIC5203-4.5BM5
MIC5203-4.7BM5
MIC5203-5.0BM5
Other voltages available. Contact Micrel for details.
Marking
LA30
LA33
LA36
LA38
LA40
LA45
LA47
LA50
LA28
LK30
LK33
LK36
LK38
LK40
LK45
LK47
LK50
Voltage
3.0V
3.3V
3.6V
3.8V
4.0V
4.5V
4.75V
5.0V
2.8V
3.0V
3.3V
3.6V
3.8V
4.0V
4.5V
4.75V
5.0V
Junction Temp. Range
–40
°
C to +125
°
C
–40
°
C to +125
°
C
–40
°
C to +125
°
C
–40
°
C to +125
°
C
–40
°
C to +125
°
C
–40
°
C to +125
°
C
–40
°
C to +125
°
C
–40
°
C to +125
°
C
–40
°
C to +125
°
C
–40
°
C to +125
°
C
–40
°
C to +125
°
C
–40
°
C to +125
°
C
–40
°
C to +125
°
C
–40
°
C to +125
°
C
–40
°
C to +125
°
C
–40
°
C to +125
°
C
–40
°
C to +125
°
C
Package
SOT-143
SOT-143
SOT-143
SOT-143
SOT-143
SOT-143
SOT-143
SOT-143
SOT-23-5
SOT-23-5
SOT-23-5
SOT-23-5
SOT-23-5
SOT-23-5
SOT-23-5
SOT-23-5
SOT-23-5
Features
Tiny 4-lead and 5-lead surface-mount packages
Wide Selection of output voltages
Guaranteed 80mA output
Low quiescent current
Low dropout voltage
Tight load and line regulation
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
Bar code scanners
SMPS post-regulator/dc-to-dc modules
High-efficiency linear power supplies
MIC5203
μ
Cap 80mA Low-Dropout Voltage Regulator
相關PDF資料 |
PDF描述 |
|---|---|
| MIC5203-4.0BM5 | レCap⑩ 80mA Low-Dropout Voltage Regulator |
| MIC5203-3.8BM4 | レCap⑩ 80mA Low-Dropout Voltage Regulator |
| MIC5205-4.0BM5 | 150mA Low-Noise LDO Regulator |
| MIC5205-2.7BM5 | 150mA Low-Noise LDO Regulator |
| MIC5205 | 150mA Low-Noise LDO Regulator |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MIC520350BM5TR | 制造商:MICREL 功能描述:New |
| MIC5204 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:SCSI-II Active Terminator Preliminary Information |
| MIC5204_02 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:SCSI-II Active Terminator |
| MIC5204BM | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:SCSI-II Active Terminator Preliminary Information |
| MIC5204BS | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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