ICs for TV
1
AN5279
Mono channel SEPP audio power amplifier IC
n Overview
The AN5279 is a monolithic integrated circuit designed
for 5.0 W (19 V, 8 W ) output audio power amplifier. It is
a mono channel SEPP IC suitable for TV application.
n Features
• Few external components :
• No Boucherot cells(output C, R)
• No Bootstrap Capacitors
• No Negative Feeback Capacitors
• Built-in muting circuit
• Built-in stand-by circuit
• Built-in various protection circuits
(Load-short, thermal, over-voltage and current)
• High ripple rejection(55 dB)
• Operating voltage range 10 V to 24 V(19 V typ.)
n Applications
• TV
HSIP009-P-0000
Unit : mm
n Block Diagram
1 2
RF
3
GND
(Input)
4
In
5
N.C.
6
Out
7
Mute
8
GND
(Output)
9
V
CC
Standby
Att. ConAtt.
Ripple
filter
Protection circuit
• Temperature
• Over-voltage
• Over-current
• Load short
9
1
f
3.3
±0.1
0.1±0.05
5.6±0.25
1.7
±0.25
1.7
±0.25
0.45
+
0.1
0
–0.05
f
2.65
±0.10
8.4±0.25
3.75±0.25
0.50
±0.10
1.20
±0.25
2.54
15.0
19.9
±0.10
18.3
±0.25
5.8±0.25
1.5±0.25
6.3±0.3 7.1±0.25
22.3
±0.3