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MIC5281YMM Datasheet(PDF) 1 Page - Micrel Semiconductor

Part No. MIC5281YMM
Description  120VIN, 25mA, Ultra-Low IQ, High-PSRR Linear Regulator
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Maker  MICREL [Micrel Semiconductor]
Homepage  http://www.micrel.com
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MIC5281YMM Datasheet(HTML) 1 Page - Micrel Semiconductor

 
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MIC5281
120VIN, 25mA, Ultra-Low IQ, High-PSRR
Linear Regulator
4-0
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (
408) 94
800 • fax + 1 (408) 474-1000 • http://www.micrel.com
June 2011
General Description
The MIC5281 high-performance linear regulator offers a
very-wide input operating voltage range, up to 120V DC,
and supplies an output current of up to 25mA.
Ideal for high input voltage applications such as industrial
and telecom, the MIC5281 offers ±3% initial accuracy,
extremely high-power supply rejection ratio (>90db) and
ultra-low quiescent current of 6µA. The MIC5281 is
optimized for high-voltage line transients, making it ideal
for harsh environment applications.
The MIC5281 is offered in both fixed output voltage
(3.3V/5.0V) and adjustable output voltage (1.27V to 5.5V)
options.
The
MIC5281
operates
over
a
−40ºC to +125ºC
temperature range and is available in lead-free, RoHS-
compliant, 8-pin ePad MSOP and 8-pin MSOP packages.
Data sheet and support documentation are found on the
Micrel website: www.micrel.com.
Features
• Wide input voltage range: 6V to 120V DC
• Ultra-low quiescent current: 6µA
• 25mA guaranteed output current
• Adjustable output from 1.27V to 5.5V
• Withstands up to +120V DC at the input
• Stable with ceramic capacitors
• Ultra-high PSRR >90dB
• Ultra-high line rejection (load dump)
• High output accuracy:
– ±3% initial accuracy
• Thermal-shutdown and current-limit protection
• Thermally-efficient, 8-pin MSOP and 8-pin ePad MSOP
packages
Applications
• Industrial applications
• Remote keyless entry power supply
• Telecom applications
• Off-line power supplies
___________________________________________________________________________________________________________
Typical Applications
Quiescent Supply Current
vs. Input Voltage
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10.0
11.0
0
20
40
60
80
100
120
INPUT VOLTAGE (V)
VOUT = 5V
IOUT = 0
M9999-062411-A


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