APW1173
Electrical Characteristics (Cont.)
The * denotes the specifications that apply over T
A
= -40 ~ 85
o
C. Typical values are at T
A
= 25
o
C.
V
CC
= 12V unless otherwise specified.
APW1173
Min
Reference Section
I
REF
= 0mA
V
REF
VREF Output Voltage
Line Regulation
Load Regulation
Short Circuit Current
Other
Thermal Limiting Protection
Hysteresis
Over-Voltage Protection
Threshold Voltage
V
COMP
= 0.8V
*
120
160
30
125
130
°C
°C
%
I
REF
= 0mA to 5mA,V
CC
= 4.4A to
*
22V
I
REF
= 0mA,V
CC
= 4.4A to 22V
I
REF
= 0mA to 5mA
10
3.234
3.2
3.3
3.3
5
8
18
3.366
3.399
10
15
30
V
V
mV
mV
mA
Typ
Max
Symbol
Parameter
Test condition
Unit
Typical Application Circuit
V
OUT
= 3.3V
L
22uH
1
2
3
4
OUT
SYNC
INH
CM
O P
VCC
GND
VREF
FB
8
7
6
5
V
REF
= 3.3V
C
OUT
100uF
D1
1N5819
R
C1
4.3K
C
C1
2.2nF
D2
1N4148
APW1173
C
IN
V
IN
22uF 4.8V to 22V
R
1
C
1
137K
1uF
C
C2
220pF
R
F2
3.3K
R
F1
5.6K
Soft Start
Circuit
Copyright
©
ANPEC Electronics Corp.
Rev. A.5 - Aug., 2005
5
www.anpec.com.tw
ANPEC [ ANPEC ELECTRONICS COROPRATION ]
