APW7079
Electrical Characteristics
Refer to Typical Application Circuits. V
IN
=1.5V, R
LOAD
=
∞,
and T
A
= -40 ~ 85
o
C, unless otherwise noted. Typical values are at T
A
=25
o
C.
Symbol
V
IN
Parameter
Converter Supply Voltage
Start-up Voltage
R
LOAD
=3kΩ
Test Conditions
Min.
0.7
-
APW7079
Typ.
-
0.9
1.8
2.6
2.8
3.0
3.3
3.8
4.5
5.0
11
0.9
4
-
0.5
0.4
0.4
0.4
0.4
0.4
0.3
0.3
1
0.8
0.8
0.7
0.6
0.5
0.4
0.4
600
-
-
150
40
Max.
5.5
1
1.836
2.652
2.856
3.06
3.366
3.876
4.59
5.1
15
1.2
5
85
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
700
1
1
-
-
Unit
V
V
APW7079-18
APW7079-26
APW7079-28
V
OUT
Output Voltage
APW7079-30
APW7079-33
APW7079-38
APW7079-45
APW7079-50
I
DD
T
OFF(MIN)
T
ON(MAX)
Supply Current
Main Switch Min. Off-time
Main Switch Max. On-time
Main Switch Max. Duty
APW7079-18
APW7079-26
APW7079-28
R
N-FET
Main Switch on Resistance
I
LX
=100mA
APW7079-30
APW7079-33
APW7079-38
APW7079-45
APW7079-50
APW7079-18
APW7079-26
APW7079-28
R
P-FET
Synchronous Switch on
Resistance
I
LX
=100mA
APW7079-30
APW7079-33
APW7079-38
APW7079-45
APW7079-50
I
LIM
Main Switch Current Limit
Main Switch Leakage Current
Synchronous Switch Leakage
Current
Over Temperature Shutdown
Over Temperature Hysteresis
V
OUT
= V
OUT
(Typ.)+0.5V
Measured at V
OUT
No Inductor Connected
1.764
2.548
2.744
2.94
3.234
3.724
4.41
4.9
7
0.6
3
75
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
500
-
-
-
-
V
µA
µs
µs
%
Ω
Ω
mA
µA
µA
°C
°C
Copyright
©
ANPEC Electronics Corp.
Rev. A.3 - Oct., 2008
3
www.anpec.com.tw
ANPEC [ ANPEC ELECTRONICS COROPRATION ]
