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PDF MIC94065 Data sheet ( Hoja de datos )
| Número de pieza | MIC94065 | |
| Descripción | (MIC94064 / MIC94065) High Side Power Switches | |
| Fabricantes | Micrel Semiconductor | |
| Logotipo |  |
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MIC94064/5
High Side Power Switches
General Description
The MIC94064 and MIC94065 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 MIC94064/5 provides a slew rate controlled Soft-
Start turn-on of 115µs (typical) to prevent in-rush current
from glitching supply rails.
The MIC94065 features an active load discharge circuit
which insures capacitive loads retain no charge when
the main switch is in an OFF state.
An active pull-down on the enable input keeps
MIC94064/5 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.
The MIC94064/5’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 2µA and low
shutdown current of <1µA maximize battery life.
Data sheets and support documentation can be found on
Micrel’s web site at: www.micrel.com.
Features
• 1.7V to 5.5V input voltage range
• 2A continuous operating current
• 77mΩ (typ) RDSON
• Built-in level shift for control logic; can be operated by
1.5V logic.
• Low 2µA quiescent current
• Soft-Start: 115µs
• Micro-power shutdown <1µA
• Load discharge circuit: MIC94065
• Space saving 1.2x1.6 mm Thin MLF® package
Applications
• Load switch in portable applications:
- Cellular phones
- PDAs
- MP3 players
- Digital Cameras
- Portable instrumentation
• Battery switch-over circuits
• Level translator
________________________________________________________________________________________________________
Typical Application
www.DataSheet4U.com
MIC94064
Load Switch Application
MIC94065
Load Switch with Capacitive Load Discharge
MLF and MicroLeadFrame are registered trademarks of Amkor Technologies, 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 2008
M9999-011608
1 page  
Micrel, Inc.
Functional Characteristics
MIC94064
MIC94064/5
www.DataSheet4U.com
January 2008
5
M9999-011608
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet MIC94065.PDF ] | |
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