MIC2548 MICREL [Micrel Semiconductor], MIC2548 Datasheet - Page 3
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MIC2548
Manufacturer Part Number
MIC2548
Description
Programmable Current Limit High-Side Switch
Manufacturer
MICREL [Micrel Semiconductor]
Datasheet
1.MIC2548.pdf
(14 pages)
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Pin Configuration
Pin Description
Micrel, Inc.
April 2010
Note: Pins 4 and 5 for SOIC and MSOP are different.
Pin Number
MSOP-8
6,8
1
2
3
5
7
4
8-pin SOIC (M)
Pin Number
SOIC-9
6,8
1
2
3
4
7
5
Pin Name
GND
OUT
FLG
ILIM
EN
NC
IN
connected to ground. 154Ω < R
Switch (Output): Output MOSFET source. Pins 6 and 8 must be externally
connected.
Pin Function
Enable (Input): Logic-compatible enable input. Active-high (-1) or active-
low (-2). High input >1.7V typical; low input <1.5V typical. Do not float.
MIC2548 only: Also resets thermal shutdown latch.
Fault Flag (Output): Active-low, open-drain output. Indicates overcurrent
or thermal shutdown conditions. MIC2548 only: latched low on thermal
shutdown.
Ground.
Current Limit: Sets current-limit threshold using an external resistor, R
Input: Output MOSFET drain. Also powers internal circuitry.
Not internally connected.
3
SET
8-Pin MSOP (MM)
< 2.29kΩ.
MIC2544/2548
M9999-043010
SET
1