MIC5317
6V High Performance Single 150mA LDO
Benefits
Longer Battery Life
Features
• Low quiescent current (29μA) enables longer battery usage
• Reduces overall system power consumption
• Small package solution enables more usable board space, ideal for space-constrained PCB solutions
• Offered in standard SOT23-5/TSOT23-5 pin-out configurations
• 6V operation; 7V absolute max. for loosely regulated 5V power supplies (such as USB dongles) or systems
that may be exposed to an input transient during hot plug situations
Small Form Factor
USB Interface
Compatible
Proven Quality
• Backed by Micrel's long history of LDO products
Ease of Use
• Independent enable control for power sequencing
Applications
•
•
•
•
•
•
USB dongles/devices
Mobile banking solutions
Handheld instruments
Battery powered equipment
Smart Metering
5V general purpose
www.micrel.com
MIC5317
Description
The MIC5317 is an advanced general purpose low dropout linear regulator offering high power supply rejection
(PSRR) typically 70dB, excellent line and load regulation and can source up to 150mA of output current. In
additon it features an extensive output voltage range down to 1.0V and only requires a 1μF ceramic ouput
capacitor for stability.
The MIC5317 operates up to 6V, offers 2% initial accuracy, low dropout voltage (155mV @ 150mA), and low
ground current (typically 29μA). The MIC5317 can also be put into a zero-off-mode current state, drawing
virtually no current when disabled.
The MIC5317 is available in several advanced packages including a lead-free (RoHS-compliant) 1mm x 1mm
Thin DFN occupying only 1mm
2
of PCB area, a 75% reduction in board area compared to SC-70 and 2mm x
2mm DFN packages. It is also available in a SOT23-5 package for applications requiring a pin to pin pitch of
0.95mm. The MIC5317 has an operating junction temperature range of –40°C to 125°C.
About Micrel
Micrel, Inc. is a leading global manufac-
turer of High Performance Linear and
Power, Timing and Communications, and
LAN Solutions. The Company’s products
include advanced mixed-signal, analog,
and power semiconductors; high perfor-
mance communication, clock manage-
ment, Ethernet switch, and physical layer
transceiver ICs. Company customers in-
clude leading manufacturers of enterprise,
consumer, industrial, mobile, telecom-
munications, automotive, and computer
products. Corporation headquarters and
state-of-the-art wafer fabrication facilities
are located in San Jose, CA, with regional
sales and support offices and advanced
technology design centers situated
throughout the Americas, Europe, and
Asia. In addition, the Company maintains
an extensive network of distributors and
reps worldwide.
For more information, contact your
local Micrel sales representative, or
visit Micrel at
www.micrel.com
Typical Performance
Ordering Information
Part
MIC5317-X.XYM5
MIC5317-X.XYD5
MIC5317-X.XYMT
Output Voltage Range Junction Temp. Range
1.0V to 3.3V
1.0V to 3.3V
1.0V to 3.3V
–40°C to +125°C
–40°C to +125°C
–40°C to +125°C
Package
5-Pin SOT23
5-Pin TSOT23
1mm x 1mm TDFN
Lead Finish
Pb-Free
Pb-Free
Pb-Free
Corporate HQ:
2180 Fortune Dirve, San Jose, CA 95131
1.800.944.0800 Tel
1.408.474.1000 Fax
www.micrel.com
© 2013 Micrel, Inc. All rights reserved. Micrel and Innovation Through Technology are registered trademarks of Micrel, Inc.
Contact Micrel, Inc.
MIC5317-102013
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