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MIC5335
Dual, High Performance 300mA µCap
ULDOTM
General Description
The MIC5335 is a high current density, dual Ultra Low
Dropout (ULDO™) linear regulator. The MIC5335 is
ideally suited for portable electronics which demand
overall high performance in a very small form factor.
The MIC5335 is offered in the ultra small 1.6mm x
1.6mm 6-ld Thin MLF® package which is only
2.56mm2 in area of the SOT-23, TSOP and the 3mm x
3mm MLF® package. The MIC5335 delivers
exceptional thermal performances for those
applications that demand higher power dissipation
requirements in a very small foot print. In addition, the
MIC5335 integrates two high performance 300mA
LDOs with independent enable functions and offers
high PSRR eliminating the need for a bypass
capacitor.
The MIC5335 is a µCap design which enables
operation with very small output capacitors for
stability, thereby reducing required board space and
component cost.
The MIC5335 is available in fixed-output voltages.
Additional voltages are available. For more
information, contact Micrel’s Marketing department.
Data sheets and support documentation can be found
on Micrel’s web site at: www.micrel.com.
Features
• 2.3V to 5.5V input voltage range
• Ultra-low dropout voltage: 75mV at 300mA
• Ultra Thin 1.6mm x 1.6mm 6 lead MLF® package
• Independent enable pins
• High PSRR - >65dB
• 300mA output current per LDO
• µCap Stable with 1µF ceramic capacitor
• Low quiescent current: 90µA/LDO
• Fast turn-on time: 30µs
• Thermal Shutdown Protection
• Current Limit Protection
Applications
• Mobile Phones
• PDAs
• GPS Receivers
Typical Application
MicroLead Frame and MLF are registered trademarks of Amkor Technologies. ULDO is a 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
January 2007
M9999-010407
(408) 955-1690
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