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