MIC4682_07 Datasheet, PDF (2/15 Pages) Micrel Semiconductor – Precision Current Limit SOIC-8 SuperSwitcher™ Buck Regulator

Micrel, Inc.
Ordering Information
Part Number
Standard
Pb-Free
Voltage
MIC4682BM
MIC4682YM
Adj.
Note: Other Voltage available. Contact Micrel for details.
Junction Temp. Range
–40° to +125°C
MIC4682
Package
8-Pin SOIC
Pin Configuration
FB 1
GND 2
ISET 3
SHDN 4
8 SW
7 GND
6 GND
5 IN
8-Pin Power SOIC (M)
Pin Description
Pin Number
1
2, 6, 7
3
4
5
8
Pin Name
FB
GND
ISET
SHDN
IN
SW
Pin Function
Feedback (Input): Output voltage sense node. Connect to 1.23V-tap of the
output voltage-divider network.
Ground (Return): Ground.
Current Limit Set (Input): Connect an external resistor to ground to set the
current limit. Do not ground or float this pin.
Shutdown (Input): Logic low (<0.8V) enables regulator. Logic high (>2V) shuts
down regulator.
Supply Voltage (Input): Unregulated +4V to +34V supply voltage.
Switch (Output): Internal power emitter of NPN output switch.
June 2007
2
M9999-061507