Micrel, Inc.
MIC37150/51/52/53
Pin Configuration
3
TAB
VOUT
GND
VIN
TAB
2
1
5
4
3
2
1
FLG/ADJ
VOUT
GND
VIN
EN
S-PAK-3 (R)
S-PAK-5 (R)
EN 1
VIN 2
VOUT 3
ADJ 4
8
7
6
5
GND
GND
GND
GND
GND 1
EN 2
VIN 3
NC 4
8 FLG
7 VOUT/ADJ
6 VOUT
5 NC
SOIC-8 (M)
e-Pad SOIC-8 (ME)
Pin Description
Pin Number
S-PAK-3
–
1
2
3
–
Pin Number
S-PAK-5
1
2
3
4
5
Pin Number
SOIC-8
1
2
5, 6, 7, 8
3
–
4
Pin Number
e-Pad SOIC-8
2
3
1
6, 7 (Fixed)
6 (Adj)
8
7
4, 5
Pin Name
EN
VIN
GND
VOUT
FLG
ADJ
NC
Pin Name
Enable (Input): CMOS compatible input.
Logic high = enable, logic low = shutdown.
Input voltage which supplies current to the output
power device.
Ground (TAB is connected to ground on S-Pak)
Regulator Output
Error Flag (Output): Open collector output.
Active low indicates an output fault condition.
Adjustable regulator feedback input.
Connect to resistor voltage divider.
Not internally connected.
–
–
–
October 2007
3
M9999-101907
MICREL [ MICREL SEMICONDUCTOR ]
