
APL1582
Block Diagram
VIN
VCONTROL
Thermal
Protection
VOUT
Current-Limit
Voltage
Regulation
VSENSE
ADJ
Typical Application Circuit
3.3V
5.0V
5 VIN
VOUT 3
APL1582
4
VCONTROL
1
VSENSE
ADJ
2
-
VREF
+
R2 125W
R1
125W
GND
∗ VOUT = VREF ( 1+ R2 / R1 ) + IADJ *xR2
∗ R1 is typically in range of 100Ω to 125Ω to satisfy the minimum load current requirement.
2.5V
GND
Copyright © ANPEC Electronics Corp.
6
Rev. A.8 - Apr., 2010
www.anpec.com.tw