PT6305 Datasheet, PDF (14/17 Pages) Texas Instruments – 3 AMP HIGH-PERFORMANCE ADJUSTABLE ISR

VFD Driver/Controller IC
APPLICATION CIRCUIT
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PT6305
GRID 1
HV O 48
1 3-Grid x 35-S egm ent
VFD Pa nel
GRID 13
SEGM EN T1
HV O 36
HVO35
SEGM EN T35
HVO01
V EX T
M CU
31 VDD2
32 NC
33 NC
34 VS S2
+ 5V _{35 NC}
36 NC
37 DI
38 CLK B
39 VS S1
40 NC
41 NC
42 VDD1
43 LATB
44 PCB
45 BK
46 NC
47 VS S2
48 NC
49 NC
50 VDD2
PT 63 05
NC 10 0
HVO4 1 99
HVO4 0 98
HVO3 9 97
HVO3 8 96
HVO3 7 95
HVO3 6 94
HVO3 5 93
HVO3 4 92
HVO3 3 91
HVO3 2 90
HVO3 1 89
HVO3 0 88
HVO2 9 87
HVO2 8 86
HVO2 7 85
HVO2 6 84
HVO2 5 83
HVO2 4 82
NC 81
Note: VEXT=External Supply Voltage (Maximum Value=70V, different panel with different voltage)
PT6305 V1.1
- 14 -
January, 2006