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PT8A3252WE Datasheet(PDF) 2 Page - Pericom Semiconductor Corporation |
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PT8A3252WE Datasheet(HTML) 2 Page - Pericom Semiconductor Corporation |
2 / 7 page |||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| 12-07-0006 PT0233-1 07/06/12 2 PT8A3252/54 5LED Ceramic Heating Controller Pin Description Pin No. Pin Name I/O Pin Description 1 L4 I/O Adjust input and LED output. 2 C1 O LED scan common driver. 3 C2 O LED scan common driver. 4 REF2 O Reference 2 for internal comparator. 5 REF1 I Reference 1 for internal comparator. 6 PTC I Temperature sensor input. 7 GATE O SCR trigger output, active high. 8 OT O Over heat output. 9 CLK I Clock input from power line. 10 GND GND Ground. 11 VB O PTC sampling power source. 12 VDD2 Power Power. 13 VDD1 Power Power. 14 L1 I/O On/Off key input and LED output. 15 L2 I/O Down key input and LED output. 16 L3 I/O Up key input and LED output. Block Diagram Ref Select Comp Comp OSC Logic Control VB PT C REF1 REF2 CLK C1 C2 L1 L2 L3 L4 GAT E OT |
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