MIC5265
150mA Cap LDO Regulator
General Description Features
The MIC5265 is a 150mA LDO in lead-free Thin SOT-23-5 2.7V to 5.5V supply voltage.
packaging ideal for applications where cost is the priority.
Low 75A quiescent current per LDO.
The MIC5265 is ideal for any application in portable
Thin SOT-23-5 package.
electronics, including both RF and Digital applications.
Low Noise 57Vrms.
With low output noise and high PSRR, the MIC5265 is
ideal for noise sensitive applications such as RF. While the High PSRR 60dB at 1kHz.
fast transient response and active shutdown circuitry
Low dropout voltage 210mV at 150mA.
makes it well-suited for powering digital circuitry.
Stable with ceramic output capacitors.
The MIC5265 has a 2.7V to 5.5V input operating voltage
Fast transient response.
range, making it ideal for operation from a single cell
Active shutdown.
lithium ion battery or fixed 3.3V and 5V systems. The
MIC5265 come with an enable pin and can be put into a
Applications
zero off-mode current state.
The MIC5265 offers low dropout voltage (210mV at Cellular Telephones
150mA), low output noise (57Vrms), high PSRR and
PDAs
integrates an active shutdown circuit on the output of each
GPS Receivers
regulator to discharge the output voltage when disabled.
Data sheets and supporting documentation can be found
on Micrels web site at: www.micrel.com
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Typical Application
Power Supply
Rejection Ratio
MIC5265-xxYD5
-70
50mA
VIN
-60
Rx/Synth
VOUT
-50
EN 100mA
-40 150mA
1F
1F
BYP RF Receiver
-30
GND
-20
0.01F
V = V + 1V
IN OUT
VOUT = 3.1V
BYP = 0.01F
C = 1F
OUT
0
0.01 0.1 1 10 100 1000
FREQUENCY (kHz)
RF Power Supply
Micrel Inc. 2180 Fortune Drive San Jose, CA 95131 USA tel +1 (408) 944-0800 fax + 1 (408) 474-1000 Micrel, Inc. MIC5265
Ordering Information
Output Marking
Part Number Junction Temp. Range Package
Voltage Code
1.5V N715 40C to +125C Pb-Free Thin SOT-23-5
MIC5265-1.5YD5
1.8V N718 40C to +125C Pb-Free Thin SOT-23-5
MIC5265-1.8YD5
1.85V N71J 40C to +125C Pb-Free Thin SOT-23-5
MIC5265-1.85YD5
2.5V N725 40C to +125C Pb-Free Thin SOT-23-5
MIC5265-2.5YD5
2.6V N726 40C to +125C Pb-Free Thin SOT-23-5
MIC5265-2.6YD5
2.7V N727 40C to +125C Pb-Free Thin SOT-23-5
MIC5265-2.7YD5
2.8V N728 40C to +125C Pb-Free Thin SOT-23-5
MIC5265-2.8YD5
2.85V N72J 40C to +125C Pb-Free Thin SOT-23-5
MIC5265-2.85YD5
2.9V N729 40C to +125C Pb-Free Thin SOT-23-5
MIC5265-2.9YD5
3.0V N730 40C to +125C Pb-Free Thin SOT-23-5
MIC5265-3.0YD5
3.1V N731 40C to +125C Pb-Free Thin SOT-23-5
MIC5265-3.1YD5
3.2V N732 40C to +125C Pb-Free Thin SOT-23-5
MIC5265-3.2YD5
3.3V N733 40C to +125C Pb-Free Thin SOT-23-5
MIC5265-3.3YD5
Note:
1. Other Voltage Combinations available. Contact Micrel, Inc. for details.
M9999-022307
February 2007 2