AN7077Z - Panasonic Semiconductor

AN7077Z Power supply and boost IC for class-H power amplifier

Pin No. 1 2 3 4 5 6 7 8 Description Power supply N.C. Timer current setting Current detection Timer Peak detection GND Input Pin No. 9 10 11 12 13 14 15 NF Standby Muting LED Ripple filter ASO Output Description 2 GND 5 ICs for Audio Common Use s Absolute Maximum Ratings Parameter Supply voltage Supply current Power dissipation *3 *1 *2 AN7077Z Symbol.

Features

HZIP015-P-0745A s Applications
• Miniature audio component, CD player radio cassette, karaoke and other audio equipment 13.25±0.30 15.65±0.50 18.95±0.50 10.0±0.30 3.25±0.10 1 AN7077Z s Block Diagram 14 ICs for Audio Common Use 1 VCCH 12 LED driver ASO 6 Peek det. Level shift 4 VBE VIN 8 IOUT det. 15 10 kΩ Level shift 1 VBE 9 24 V clamp 11 15 µA Mute Class-H mute 4 VRF = 6 V 13 0.3 V 6V 2 5 µA VRF 3 Constant current 10 7 STB s Pin Descriptions Pin No. 1 2 3 4 5 6 7 8 Description Power supply N.C. Timer current setting Current detection Timer Peak detection GND I.