Casio SF-5300E - Voltage Regulator:reg1 (S-81253); Voltage Detector:det1 (Rh5 Vl46 Ca)

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7-4. VOLTAGE REGULATOR: REG1 (S-81253)
Output Voltage (VDD): 5.3 V ± 5%
VDD
GND
VCC
V
REF
R A
R B
1
2
3
R I
+
–
Input Voltage (VCC) Output Voltage (OUT)
VCC > 5.2 V 5.2 V
VCC < 5.2 V 0 V
7-5. VOLTAGE DETECTOR: DET1 (RH5VL46CA)
1
2
3
VCC
OUT
GND
1
OUT
2
VCC
1
GND
3
VDD
2
VCC
3
GND