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| S-87X_1 Datasheet, PDF (27/53 Pages) Seiko Instruments Inc – HIGH WITHSTAND-VOLTAGE VOLTAGE REGULATOR WITH RESET FUNCTION | |||
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HIGH WITHSTAND-VOLTAGE VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.7.2_00
S-87x Series
3. When using the SENSE pin (E type)
VIN=VSENSE*1 [V]
+VDET
âVDET
t [s]
VOUT [V]
t [s]
VOR [V]
t [s]
*1. The SENSE pin is connected to VIN pin.
Remark Pull up VOR through a resistor to VOUT.
Figure 17
 Explanation of Terms
1. I/O voltage difference (Vdif)
Vdif=VIN1âVOUT1
VOUT1: Initial output voltage
VIN1: Input voltage which generates an output voltage (VOUT2) decreased by 5 % from VOUT1
2. Load regulation (ÎVOUT2)
ÎVOUT2=VOUT1âVOUT2
VOUT1: Output voltage when IOUT is 50 μA
VOUT2: Output voltage when IOUT is 40 mA
3. Line regulation (ÎVOUT1)
ÎVOUT1=VOUT1âVOUT2
VOUT1: Output voltage when VIN is 24 V
VOUT2: Output voltage when VIN is (VOUT+1) V
4. Hysteresis width (VHYS)
VHYS=(+VDET)â(âVDET)
+VDET: Release voltage
âVDET: Detection voltage
Seiko Instruments Inc.
27
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