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MIC5205

Micrel Semiconductor
Part Number MIC5205
Manufacturer Micrel Semiconductor
Description 150mA Low-Noise LDO Regulator
Published Mar 26, 2005
Detailed Description MIC5205 Micrel MIC5205 150mA Low-Noise LDO Regulator General Description The MIC5205 is an efficient linear voltage r...
Datasheet PDF File MIC5205 PDF File

MIC5205
MIC5205

Overview
MIC5205 Micrel MIC5205 150mA Low-Noise LDO Regulator General Description The MIC5205 is an efficient linear voltage regulator with ultralow-noise output, very low dropout voltage (typically 17mV at light loads and 165mV at 150mA), and very low ground current (600µA 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 consumption 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, reversed-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.
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 Cellular telephones Laptop, notebook, and palmtop computers Battery-powered equipment PCMCIA VCC and VPP regulation/switching Consumer/personal electronics SMPS post-regulator/dc-to-dc modules High-efficiency linear power supplies Applications For low-dropout regulators that are stable with ceramic output capacitors, see the µCap MIC5245/6/7 family.
Ordering Information Part Number MIC5205BM5 MIC5205-2.
5BM5 MIC5205-2.
7BM5 MIC5205-2.
8BM5 MIC5205-2.
85BM5 MIC5205-2.
9BM5 MIC5205-3.
0BM5 MIC5205-3.
3BM5 MIC5205-3.
6BM5 MIC5205-3.
8BM5 MIC5205-4.
0BM5 MIC5205-5.
0BM5 Marking LBAA LB25 LB27 LB28 LB2J LB29 LB30 LB33 LB36 LB38 LB40 LB50 Voltage Adj 2.
5V 2.
7V 2.
8V 2.
85V 2.
9V 3.
0V 3.
3V 3.
6V 3.
8V 4.
0V 5.
0V Accuracy 1% 1% 1% 1% 1% 1% 1% 1% ...


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