AN5394FB
ICs for TV
■ Terminal Equivalent Circuits (continued)
Pin No.
Equivalent circuit
Description
20
RGB-S/H:
VCC 9 V (RGB output VCC1 /pin 27)
Pin to sample-hold the auto cutoff signal
• Use a less-leak capacitor to hold during V
period. Also be careful of the leak between
pins.
DC
66 µA
200 µA
Pins 20,22,24
200 Ω
200 Ω
• Ground on use if you do not use an auto-cutoff.
Pin 20: for B signal
Pin 22: for G signal
0.1 µF
14 kΩ
3 V
Pin 24: for R signal
• Recommended use range: 0 V to 5 V
1 kΩ
1 kΩ
21
22
23
24
25
Refer to pin 19
Refer to pin 20
Refer to pin 19
Refer to pin 20
Refer to pin 19
Refer to pin 20
Refer to pin 19
Refer to pin 20
IK:
IK input pin
VCC 9 V (RGB output VCC1 /pin 27)
• Clamps a feed-back input signal of auto
cutoff-pulse.
• Recommended use range: Do not apply DC volt-
age from outside.
3.0 V
25
3 kΩ
3 kΩ
200 Ω
4 PF
3 V
1 kΩ
16