ICs for TV
s
Terminal Equivalent Circuits (continued)
Pin No.
3
V
CC1
V
CC1
100
µΑ
3
AN5757S
Equivalent circuit
Description
Horizontal synchronizing signal
input:
Input pin of horizontal synchro-
nizing signal
Detection level is 1 V.
Waveform
5V
20 kΩ
1V
1V
0V
4
V
CC1
V
CC1
50
µΑ
4
20 pF
For duty adjustment (capacitor):
Duty can be adjusted by
attaching a capacitor between
the pin and GND.
If capacitance is raised, duty
becomes small.
HD
Pin 4
5
V
CC1
V
CC1
45 kΩ
5
15 kΩ
Duty adjustment (resistor):
Duty can be adjusted by
attaching a resistor between the
pin and GND.
If resistance is lowered, duty
becomes large.
DC
0.5 V to 5.0 V variable
V
th
6
7
N.C.:
Pin for N.C.
GND1:
Pin for GND
0V
7
8
9
N.C.:
Pin for N.C.
V
CC1
50
µΑ
Pin 9
Pin 1
0V
→
High (11 V)
2 V or more→ Low (1 V)
V
CC1
9
30 kΩ
2.2 V
1.5 V
Switch input2 for on/off:
On/off switch pin for PWM
output
On at 2 V or more and off at
0 V.
(Threshold level: 1.5 V)
10
10
V
CC1
Power supply:
Power supply pin
Apply DC 12 V.
DC 12 V
5
PANASONIC [ PANASONIC SEMICONDUCTOR ]
