HPL5331 Datasheet, PDF (5/20 Pages) List of Unclassifed Manufacturers – 3A Bus Termination Regulator

HPL5331
Typical Application Circuit
1. VOUT=1.25V/0.9V Application
VCN TL
+3 .3 V
VIN
+2 .5 V/1 .8 V
C IN
470uF
Shu td o w n
R1
1k
R2
Q1
1k
GND
VIN
VC N TL
VREF _GND VOUT
VR EF
C SS
0 .1 u F
C CN TL
47uF
COUT : 470µF, ESR=25mΩ
R1, R2 : 1kΩ, 1%
Q1 : HPM2300 AC
Note : Since R1 and R2 are very small, the voltage offset
caused by the bias current of VREF can be ignore.
2. VOUT=1.4V Application
VCNT L
+5V
VIN
+2.8V
C IN
470µF
GND
VIN
VC N TL
R1
1k
VR EF _{GN D} VOU T
VRE F
R2
CSS
1k
0.1µF
CCNT L
47µF
VOU T
+1 .2 5 V/0.9 V
-3~+3A
C OUT
470uF
GND
VO U T
+ 1.4V/
-3~ +3 A
C O UT
470µF
GND
 Copyright HIPAC Semiconductor, Inc.
5
Rev. A.8 - Oct., 2003
www.hipacsemi.com