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| ICs for TV AN5071 TV Tuner Band-Switch IC (31V-Voltage Regulator Built-in) s Overview The AN5071 is the integrated circuit incorporating TV tuner band-switch circuits and 31V-power-supply circuit. 2.40.25 6.00.3 3.30.25 Unit : mm 23.30.3 6 5 4 1.40.3 3.00.3 2 1 0.3 + 0.1 - 0.05 9-Pin SIL Plastic Package s Pin Descriptions Pin No. 1 2 3 4 5 6 7 8 9 Pin name Output (1) Output (2) Input (1) Input (2) GND 31.5V supply voltage Output (3) Output (4) VCC s Block Diagram Output Circuit (1) Output Circuit (2) Control Circuit Output Circuit (3) Voltage Regulator Output Circuit (4) Input Circuit 1 2 3 4 5 GND + - 6 7 8 9 VCC to Tuner Input +B to Tuner 1.50.25 30 3 1.50.25 0.50.1 * Tuner band switch circuit with 31V-voltage regulator * Usable for every tuner by suitable output combination 8 7 2.54 s Features 9 ICs for TV s Absolute Maximum Ratings (Ta=25C) Parameter Supply voltage Supply current Power dissipation Operating ambient temperature Storage temperature Symbol VCC I6 PD Topr Tstg Rating +18 +14 620 - 20 to + 70 - 55 to +150 AN5071 Unit V mA mW C C s Electrical Characteristics (Ta = 25C) Parameter Input-threshold voltage Input-threshold current Output-saturation voltage Pin8 output-saturation voltage Voltage regulator Regulated voltage ambient temperature dependency Regulated voltage time drift Symbol Vt It VCE (sat) VCE (sat) V6-5 V6-5/Ta V6-5 VCC=12V VCC=12V VCC=12V, IO= - 60mA VCC=12V, I8=20mA VCC=12V, I6=10mA Ta= -20 to + 60C Reference is the voltage at 5 sec. after SW. ON 29.5 -1.0 Condition min 1.5 100 0.3 0.2 31.5 0 typ max 2.5 500 0.8 0.5 33.5 1.0 50 Unit V A V V V mV/C mV s Input/Output Related (Logic Table) Input Pin3 L H L H Pin4 L L H H Pin1 VCC open open open Output Pin2 open VCC open open Pin7 open open VCC open Pin8 L open L open ( Remarks Tuning Status UHF VHF-L VHF-H -- I6 -V6-5 12 ) Supply Current I6 (mA) 10 8 6 4 2 0 0 10 20 30 40 50 s Application Circuit AN5071 1 Tuner BM Input Input BU BV + - BS 220k BT BT 12V 31.5V 8.2k 2W 43k BVH +B (115V) BVL 2 3 4 5 6 7 8 9 Tuner BM BU Regulated voltage V6-5 (V) AN5071 1 2 3 4 5 6 7 8 9 0.022F 12V Input Input + - + - + - 50V 1F 50V 1F 50V 1F 0.022F R3 +B 8.2k (115V) 2W + - 50V 1F 50V 1F |
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