Micrel, Inc.
MIC29150/29300/29500/29750
5-Pin TO-263 (D
2
Pak) Fixed Voltage (U)
MIC29151/29301/29501
5-Pin TO-263 (D
2
Pak) Adjustable Voltage (U)
MIC29302/29502
5-Pin TO-263 (D
2
Pak) Adjustable with Flag (U)
MIC29153/29303/29503
5-Pin TO-252 (D-Pak) Adjustable Voltage (D)
MIC29152
Pin Description
Pin Number
TO-220
TO-247
TO-263
1
2
3
Pin Name
INPUT: Supplies the current to the output power device
GND: TAB is also connected internally to the IC’s ground on D-PAK.
OUTPUT: The regulator output voltage
Pin Description
Pin Number
Fixed
TO-220
TO-247
TO-263
1
2
3, TAB
4
—
Pin Number
Adjustable
TO-220
TO-247
TO-252
TO-263
1
2
3, TAB
4
5
Pin Number
Adj. with Flag
TO-220
TO-247
TO-263
—
2
3, TAB
4
5
Pin Name
ENABLE: CMOS compatible control input.
Logic high = enable, logic low = shutdown.
INPUT: Supplies the current to the output power device
GND: TAB is also connected internally to the IC’s ground on D-PAK.
OUTPUT: The regulator output voltage
ADJUST: Adjustable regulator feedback input that connects to the resistor
voltage divider that is placed from OUTPUT to GND in order to set the
output voltage.
FLAG: Active low error flag output signal that indicates an output fault
condition
5
—
1
January 2012
4
M9999-013112-B
MICREL [ MICREL SEMICONDUCTOR ]
