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PDF MIC94060 Data sheet ( Hoja de datos )
| Número de pieza | MIC94060 | |
| Descripción | 100m SC-70-6 Smart Load Switch | |
| Fabricantes | Micrel Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MIC94060 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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MIC94060/94061
Micrel
MIC94060/94061
100mΩSC-70-6 Smart Load Switch
Final
General Description
The MIC94060 and MIC94061 are smart high-side load
switches housed in the SC-70-6 package. The devices
contain a low on-resistance, 100mΩ(max) p-channel MOSFET
that is driven by built-in level-shift and slew-rate control
circuitry. The low on-resistance of the devices allows for them
to support over 2A of continuous current. The MIC94061
features an active pull-down circuit that discharges capaci-
tive loads through a 200Ω switch when the IC is set to the OFF
state.
Pull down circuitry keeps the MIC94060/1 in a default OFF
state until the EN pin is pulled to a high level. The built-in level
shift circuitry allows for a logic signal that may be different
from the supply voltage to switch the high-side P-channel
MOSFET on or off. The 1µs turn-on slew rate control
prevents in-rush current from causing glitches on the supply
rail.
Battery life is saved in portable applications with the IC’s low
quiescent current of 2µA and low shutdown current of <1µA.
Their 1.8V to 5.5V operating voltage range makes the
MIC94060/1 suitable for 1-cell Li Ion, 2- to 3-cell NiMH / NiCad
/ Alkaline, as well as other sub-5V input applications.
Integrating the level-shift and slew-rate control circuitry saves
valuable board space and reduces component placement
cost compared to discrete solutions.
The MIC94060/1 are housed in the Teeny™ SC-70-6 pack-
age and have a junction temperature range of –40°C to
+150°C.
Features
• 1.8V to 5.5V input voltage range
• Built-in level shift circuitry:
Can be driven by 1.5V logic
• Low on-resistance p-channel MOSFET:
77mΩ at VGS = 4.5V (typ)
2A continuous current
• Built-in slew-rate control:
Controlled 1µs turn-on rise-time
Fast 60ns turn-off fall time
• Low 2µA quiescent current
• <1µA micropower shutdown
• Built-in fast-off load discharge circuit (MIC94061)
• Teeny™ SC-70-6 package
• –40°C to +150°C junction temperature range
Applications
• Load switch in portable applications:
Cellular phones
PDAs
MP3 players
Digital cameras
Notebook PCs
Barcode scanners
• Battery switch over circuits
• Level translators
Typical Application
9VIN 77m
Level Shift
LOAD
EN
and
Slew Rate
Control
MIC94060
Load Switch Application
VIN
EN
77m9
Level Shift
Slew Rate
Control
and
Load
Discharge
2009
MIC94061
LOAD
Load Switch Application
with Capacitive Load Discharge
Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 944-0970 • http://www.micrel.com
July 2002
1 MIC94060/94061
1 page  
MIC94060/94061
Timing Waveforms
Turn-On Response
VIN = 3.6V
TIME (2µs/div.)
Micrel
Turn-Off Response
VIN = 3.6V
TIME (2µs/div.)
July 2002
5 MIC94060/94061
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet MIC94060.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| MIC94060 | 100m SC-70-6 Smart Load Switch | Micrel Semiconductor |
| MIC94060 | High Side Power Switches | Micrel Semiconductor |
| MIC94061 | High Side Power Switches | Micrel Semiconductor |
| MIC94062 | High Side Power Switches | Micrel Semiconductor |
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