Datasheet TCTH011AE, TCTH012AE, TCTH021AE, TCTH022AE, TCTH011BE, TCTH012BE, TCTH021BE, TCTH022BE (Toshiba) - 8
制造商 | Toshiba |
描述 | CMOS Linear Integrated Circuit Silicon Monolithic |
页数 / 页 | 14 / 8 — TCTH0xxxE Series. 10.2. Operation description (TCTH0x2AE, TCTH0x2BE). … |
文件格式/大小 | PDF / 909 Kb |
文件语言 | 英语 |
TCTH0xxxE Series. 10.2. Operation description (TCTH0x2AE, TCTH0x2BE). TCTH0x2AE. TCTH0x2BE. TCTH0x2xE Timing chart
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TCTH0xxxE Series 10.2. Operation description (TCTH0x2AE, TCTH0x2BE)
PTCO output current and PTC Thermistor(s) resistance, externally placed near the heat source determines the voltage level on PTCO pin. When this terminal-voltage exceeds the specified voltage, immediately PTCGOOD pin outputs “Low” and keep the output state. Input the “High” signal into RESET pin, to cancel this PTCGOOD latch signal. If “High” signal is input to RESET pin, this device is in reset state, PTCGOOD pin outputs “High” (TCTH0x2AE), or “High-impedance” (TCTH0x2BE). Detecting temperature varies on selection of PTC thermistor(s). If the detection on higher temperature than this IC operation range is necessary, take care the PCB designing and keep enough distance between PTC Thermistor(s) and this IC to avoid heat propagation to this IC.
TCTH0x2AE
VDD PTCGOOD TCTH0x2AE RESET PTC PTC PTC GND PTCO Thermistor Thermistor Thermistor
TCTH0x2BE TCTH0x2xE Timing chart
Voltage VDD VUVLO VUVLO 0 Times Temerature Temperature Detect Temp. (set by PTC thermistor select) 0 Times Voltage VDET PTCO 0 Times Voltage H e PTCGOOD ti et n i if ni e f (Note 7) e d d n L nI I Times t t MASK DET1 DET1 MASK 20 μs(Typ.) Voltage 20 μs(Typ.) H RESET L Times Note 7: TCTH0x2B E is using Open-drain output. Therefore, PTCGOOD pin of TCTH0x2BE outputs High-impedance instead of “High”. © 2023 8 2023-04-25 Toshiba Electronic Devices & Storage Corporation Rev. 2.0