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S19110AXXA Datasheet(PDF) 13 Page - Seiko Instruments Inc |
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S19110AXXA Datasheet(HTML) 13 Page - Seiko Instruments Inc |
13 / 49 page FOR AUTOMOTIVE 125°C OPERATION HIGH-WITHSTAND VOLTAGE BUILT-IN DELAY CIRCUIT (EXTERNAL DELAY TIME SETTING) VOLTAGE DETECTOR Rev.1.3_00 S-19110AxxA to S-19110HxxA Series 13 Detection voltage Detection voltage range VDD −VDET min. −VDET max. VOUT tRESET VDD +VDET min. +VDET max. VOUT Release voltage Release voltage range tDELAY Figure 19 Detection Voltage (VDD Detection Product) Figure 20 Release Voltage (VDD Detection Product) Detection voltage VSENSE −VDET min. −VDET max. VOUT tRESET Detection voltage range VSENSE +VDET min. +VDET max. VOUT tDELAY Release voltage Release voltage range Figure 21 Detection Voltage Figure 22 Release Voltage (SENSE Detection Product) (SENSE Detection Product) VDD VDD VSS OUT R 100 k Ω V V + + CP CN VDD VDD VSS OUT R 100 k Ω V V + + CP CN VSENSE SENSE Figure 23 Test Circuit of Detection Voltage Figure 24 Test Circuit of Detection Voltage and Release Voltage and Release Voltage (VDD Detection Product) (SENSE Detection Product) 3. Hysteresis width (VHYS) The hysteresis width is the voltage difference between the detection voltage and the release voltage (the voltage at point B − the voltage at point A = VHYS in Figure 26, Figure 28, Figure 34 and Figure 36). Setting the hysteresis width between the detection voltage and the release voltage, prevents malfunction caused by noise on the input voltage. 4. Feed-through current The feed-through current is a current that flows instantaneously to the VDD pin at the time of detection and release of a voltage detector. |
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