Micrel, Inc.
MIC2950/2951
Pin Configuration
TO-92 (Z)
(Bottom View)
DIP (N), SOIC (M), MM8® (MM)
(Top View)
Pin Description
Pin No.
Pin No.
Pin Name
Pin Function
MIC2950
MIC2951
3
1
2
OUT
SNS
Regulated Output.
Sense (Input): Output-voltage sensing end of internal voltage divider for fixed 5V
operation. Not used in adjustable configuration.
3
SHDN
Shutdown/Enable (Input): TTL compatible input. High = shutdown, low or open
= enable.
2
4
5
GND
ERR
Ground.
Error Flag (Output): Active low, open-collector output (low = error, floating =
normal).
6
7
8
TAP
FB
3.3V/4.85/5V Tap: Output of internal voltage divider when the regulator is
configured for fixed operation. Not used in adjustable configuration.
Feedback (Input): 1.235V feedback from internal voltage divider’s TAP (for fixed
operation) or external resistor network (adjustable configuration).
1
IN
Unregulated Supply Input.
M9999-021610
February 2010
3
MICROCHIP [ MICROCHIP ]
