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PDF MIC5295 Data sheet ( Hoja de datos )
| Número de pieza | MIC5295 | |
| Descripción | 150mA LDO Regulator | |
| Fabricantes | Micrel Semiconductor | |
| Logotipo |  |
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MIC5295
Low Quiescent Current, 150mA LDO
Regulator
General Description
The MIC5295 is a 150mA highly accurate, low dropout
regulator with high input voltage and low ground current.
This combination of high voltage and low ground current
makes the MIC5295 ideal for USB and portable electronics
applications, using 1-cell, 2-cell or 3-cell Li-Ion battery
inputs.
A µCap LDO design, the MIC5295 is stable with either a
ceramic or tantalum output capacitor. It only requires a
2.2µF capacitor for stability.
Features of the MIC5295 includes enable input, thermal
shutdown, current limit, reverse battery protection, and
reverse leakage protection.
Available in fixed and adjustable output voltage versions,
the MIC5295 is offered in the TO-252-5 (D-Pak) package
with a junction temperature range of –40°C to +125°C.
Features
• Wide input voltage range: 2.3V to 24V
• Ultra low ground current: 18µA
• Low dropout voltage: 300mV at 150mA
• High initial output accuracy: ±1.0%
• Stable with ceramic or tantalum capacitors
• Excellent line and load regulation specifications
• Reverse battery protection
• Reverse leakage protection
• Thermal shutdown and current limit protection
• PowerTO-252-5 (D-Pak)package
• Adjustable output from 1.24V-20V
Applications
• USB power supply
• Cellular phones
• Keep-alive supply in notebook and portable computers
• Logic supply for high-voltage batteries
• Automotive electronics
• Battery powered systems
Typical Application
Low Current Adjustable Regulator Application
100
90
80
70
60
50
40
30
20
10
0
4
Ground Current
v s. Input Voltage
10mA
100µA
8 12 16 20
INPUT VOLT AGE (V)
24
Ground Current vs. Input Voltage
IttyBitty is a registered trademark of Micrel, Inc
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
November 2009
M9999-110209-A
1 page  
Micrel, Inc.
Typical Characteristics (continued)
Reverse Current
(Open Input)
70
60
50 125°C
40 -40°C
30
20
10 25°C
0
0 5 10 15 20
EXT ERNAL VOLT AGE (V)
60
50
40
30
20
10
0
0
Reverse Current
(VIN Grounded)
125°C
-40°C
25°C
5 10 15
EXT ERNAL VOLT AGE (V)
20
MIC5295
November 2009
5 M9999-110209-A
5 Page 
Micrel, Inc.
Package Information
MIC5295
5-Pin TO-252
MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA
TEL +1 (408) 944-0800 FAX +1 (408) 474-1000 WEB http:/www.micrel.com
The information furnished by Micrel in this data sheet is believed to be accurate and reliable. However, no responsibility is assumed by Micrel for its
use. Micrel reserves the right to change circuitry and specifications at any time without notification to the customer.
Micrel Products are not designed or authorized for use as components in life support appliances, devices or systems where malfunction of a product
can reasonably be expected to result in personal injury. Life support devices or systems are devices or systems that (a) are intended for surgical implant
into the body or (b) support or sustain life, and whose failure to perform can be reasonably expected to result in a significant injury to the user. A
Purchaser’s use or sale of Micrel Products for use in life support appliances, devices or systems is a Purchaser’s own risk and Purchaser agrees to fully
indemnify Micrel for any damages resulting from such use or sale.
© 2009 Micrel, Incorporated.
November 2009
11 M9999-110209-A
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet MIC5295.PDF ] | |
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