AN8026
s
Pin Descriptions
Pin No.
1
2
3
4
5
6
7
8
9
Symbol
TDL
TOFF
TON
CLM
GND
V
OUT
V
CC
OVP
FB
Description
Transformer reset detection
Pin for connecting C and R to set minimum off-period
Pin for connecting C to set minimum on-period
Input pin for overcurrent protection detection
Grounding pin
Output pin
Power supply voltage pin
Input pin for overvoltage protection circuit
Photocoupler connection pin for error voltage feedback
Voltage Regulators
s
Absolute Maximum Ratings
Parameter
Supply voltage
Peak output current
Power dissipation
Operating ambient temperature
*
Storage temperature
*
Symbol
V
CC
I
6PEAK
P
D
T
opr
T
stg
Rating
35
±1
874
−30
to
+85
−55
to
+150
Unit
V
A
mW
°C
°C
Note) *: Expect for the operating ambient temperature and storage temperature, all ratings are for T
a
=
25°C.
s
Recommended Operating Range
Parameter
Supply voltage
Symbol
V
CC
Range
From stop voltage to 34
Unit
V
s
Electrical Characteristics at V
CC
=
18 V, T
a
=
25°C
Parameter
U.V.L.O. start supply voltage
U.V.L.O. operation stop supply voltage
U.V.L.O. start-to-stop supply voltage
OVP operation threshold voltage
OVP operation threshold current
OVP release voltage
OVP operating circuit current 1
OVP operating circuit current 2
TDL threshold voltage
TDL upper limit clamp voltage
TDL lower limit clamp voltage
CLM threshold voltage
2
Symbol
V
7START
V
7STOP
∆V
7
V
8OVP
I
8OVP
V
7OVP
I
7OVP1
I
7OVP2
V
1TDL
V
1TDL/H
V
1TDL/L
V
4CLM
I
TDL
=
3mA
I
TDL
= −3mA
V
CC
=
10 V, V
OVP
=
9.1 V
V
CC
=
20 V, V
OVP
=
9.1 V
Conditions
Min
13.4
7.7
5.7
6.7
0.5
7.4
0.66
3.5
0.5
2
−
0.3
0.7
Typ
14.9
8.6
6.3
7.9
0.75
8.2
0.89
4.7
0.7
2.8
0
0.75
Max
16.4
9.5
6.9
9.1
1
9
1.12
5.9
0.9
3.6
0.3
0.8
Unit
V
V
V
V
mA
V
mA
mA
V
V
V
V
PANASONIC [ PANASONIC SEMICONDUCTOR ]
