SM8303 Datasheet, PDF (2/11 Pages) SamHop Microelectronics Corp. – 150KHz, 3A PWM Buck Switching Regulator

SAMHOP Microelectronics Corp.
150KHz, 3A PWM Buck Switching Regulator
Ordering Information
SM8303 ^{XX X X}
Output version
-ADJ : Adjustable
-33 : 3.3V
-50 : 5.0V
-12 : 12V
Package
T: TO220-5L
S: TO263-5L
SM8303
Packing
Blank : Tube
A : Taping
Block Diagram
SD
Current
Source
bias
1.235V
Reference
2.5V
Regulator
Start
up
200mV
220mV
+
Com_p
V_IN
Comp
+
+
FB
Amp
_
Comp
+
Pre-driver
3A
Switch
150kHz
OSC.
Thermal
Limit
Output
Gnd
2
V1.0 May 17 ,2007