High Side Power Switches
Description
MIC94060/1/2/3
High Side Power Switches
Features
• 1.
7V to 5.
5V Input Voltage Range • 2A Continuous Operating Current • 77 mΩ (typ.
) RDS(ON) • Built-In Level Shift for Control Logic; Can be
Operated by 1.
5V Logic • Low 2 μA Quiescent Current • Soft-Start: MIC94062, MIC94063 • Micropower Shutdown <1 μA • Load Discharge Circuit: MIC94061, MIC94063 • Space Saving 1.
2 mm x 1.
6 mm UDFN Package
Applications
• Load Switch in Portable Applications - Cellular Phones - PDAs - MP3 Players - Digital Cameras - Portable Instrumentation
• Battery Switch-Over Circuits • Level Translator
Package Types
MIC94060/1/2/3 6-Lead SC-70 (C6)
(Top View)
General Description
The MIC94060, MIC94061, MIC94062, and MIC94063 are high-side load switches designed for operation between 1.
7V to 5.
5V.
The devices contain a low on-resistance P-channel MOSFET that supports over 2A of continuous current.
The MIC94061 and MIC94063 feature an active load discharge circuit which ensures capacitive loads retain no charge when the main switch is in an OFF state.
MIC94060-61 feature rapid turn-on while MIC94062-63 provide a slew-rate controlled soft-start turn-on of 800 μs (typical) to prevent in-rush current from glitching supply rails.
An active pull-down on the enable input keeps MIC94060-63 in a default OFF state until the EN pin is pulled to a high level.
Built-in level shift circuitry allows low voltage logic signals to switch higher supply voltages, or vice versa; high level logic signals can control low level voltages.
MIC94060-63’s operating voltage range makes them suitable for 1-cell Lithium ion and 2- to 3-cell NiMH/NiCad/Alkaline powered systems, as well as all 5V applications.
Their low operating current of 2 μA and low shutdown current of <1 μA maximize battery life.
MIC94060/1/2/3 4-Lead UDFN (MT)
(Top View)
VOUT 1 GND 2 EN 3
6 NC 5 GND 4 VIN
VOUT 1 Pad 4 EN is
GND 2 GND 3 VIN
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and its subsidiaries.
DS20006517B-page 1
MIC94060/1/2/3
Typical Applicat...
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