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| YOUDA INTEGRATED CIRCUIT YD7231 TV VERTICAL POWER OUTPUT CIRCUIT DESCRIPTION YD7231 The YD7231 is a monolithic integrated circuit designed as a TV vertical power output circuit in small screen sized televisions. When combined with YD5151, a suitable vertical deflection circuit can be constructed. FEATURES *Operating voltage 1.8 To 15V *Low quiescent current *High power capability *Low crossover distortion *Soft clipping BLOCK DIAGRAM 8 7 6 5 AMPLIFIER 1 2 3 4 . WuXi YouDa Electronics Co., Ltd Add: No.5 Xijin Road, National Hi-Tech Industrial Development Zone, Wuxi Jiangsu China Tel: 86-510-5205117 86-510-5205108 Fax: 86-510-5205110 Website: www.e-youda.com SHENZHEN OFFICE Tel 86-755-83740369 13823533350 Fax 86-755-83741418 Ver 3.1 1 of 3 2004-9-20 YOUDA INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Output Peak Current Total Power Dissipation Junction Temperature Storage Temperature (Tamb=25ae ) VALUE 16 1 4 to 1.25 -40 to +150 YD7231 SYMBOL Vcc PD Pt Tj Tstg UNIT V A W ae ae -40 to +150 ELECTRICAL CHARACTERISTICS PARAMETER Quiescent Circuit Voltage Input Bias Current Supply Voltage Quiescent Current Saturation Voltage Distortion Close Loop Voltage Gain Input Resistance Input Noise Voltage Ripple Rejection SYMBOL Vo (Tamb=25ae , Unless otherwise specified) MIN TYP 1.2 V 2.7 100 1.8 3.6 15 9 0.5 1 0.3 38 100 2 3 24 30 |I V dB nA V mA V % dB k| MAX UNIT TEST CONDITIONS Vcc=3V IB Vcc Icc Vsat1 Vsat2 THD Av Zi VNI Srip Io=100mA Io=-100mA Po=0.2W, Ro=8| f=1kHz f=1kHz Rs=10k| , Rs=10k| , BPF=22Hz~22kHz , f=1kHz WuXi YouDa Electronics Co., Ltd 2 of 3 Website: www.e-youda.com YOUDA INTEGRATED CIRCUIT APPLICATION CIRCUIT + 1 + 22|I 18k| 1.5k| 3 F 4 2 4.7| 0.1|I 470|I 4.7| + 470|I 1k| YD7231 Vcc 26 D.Y 0.1|I 25 + 2.2|I F 470| 150| 300| OUTLINE DRAWING WuXi YouDa Electronics Co., Ltd 3 of 3 1.5| + 4.7|I YD5151 Website: www.e-youda.com |
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