Beko DPM 28 C7 Service Manual page 45

ICs for Audio Common Use
AN5277
Dual Channel SEPP Power Amplifier
Overview
The AN5277 is a monolithic integrated circuit designed
for 10.0 W (26 V, 8 Ω)output audio power amplifier. It is
a dual channel SEPP IC suitable for stereo operation in
TV application.
Features
• Few external components :
• No Boucherot cells(output C, R)
• No Bootstrap Capacitors
• No Negative Feedback Capacitors
• Built-in muting circuit
• Built-in standby circuit
• Built-in various protection circuits (Load-short, thermal,
over-voltage and current)
• High ripple rejection(55 dB)
• Compatible with AN5275, AN5276
• Operating voltage range 10 ∼ 32 V(26 V typ.)
Applications
• TV
Block Diagram
Att.
Ripple
filter
7.7±0.3
φ3.6
R1.8
(12.5)
21.9±0.3
HSIP012-P-0000A
Protection circuit
Temperature
Over voltage
Att. con
Over current
Load short
Unit : mm
(1.2)
19.1±0.3