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MIC2203 Datasheet(PDF) 2 Page - Micrel Semiconductor

Part No. MIC2203
Description  High Efficiency 1MHz Synchronous Buck Regulator
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Maker  MICREL [Micrel Semiconductor]
Homepage  http://www.micrel.com
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MIC2203 Datasheet(HTML) 2 Page - Micrel Semiconductor

 
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Micrel, Inc.
MIC2203
Ordering Information
Part Number
Standard
Pb-Free
Output Voltage
Junction Temperature
Range
Package
MIC2203BMM
MIC2203YMM
Adjustable
-40°C to +125°C
MSOP-10L
MIC2203BML
MIC2203YML
Adjustable
-40°C to +125°C
3mm x 3mm MLF-10L
Pin Configuration
MSOP-10 (MM)
MLF-10 (ML)
Top View
Pin Description
Pin Number
Pin Name
Pin Function
1
SW
Switch (Output): Internal power MOSFET output switches.
2
VIN
Supply Voltage (Input): Requires a bypass capacitor to GND.
3
SYNC_IN
SYNC_IN for the MIC2203, Sync the main switching frequency to a external
clock. Should be tied to ground when not in use.
4
SYNC_OUT
SYNC_OUT a 50ns wide sync pulse to feed into SYNC_IN on MIC2203.
Can be left open or tied to ground when not used.
5
EN
A low level EN will power down the device, reducing the quiescent current to
under 1
µA.
6
FB
Input to the error amplifier, connect to the external resistor divider network to set
the output voltage.
7
BIAS
Internal circuit bias supply, nominally 2.3V. Must be de-coupled to signal ground
and can have a minimum of external DC loading.
8,9,10
GND
Ground
EP
GND
Exposed backside pad, connect to Ground (MLF option only)
December 2004
2
M9999-120604
(408) 955-1690


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