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AP1163 Datasheet(PDF) 9 Page - Asahi Kasei Microsystems

Part No. AP1163
Description  1000mA LDO Regulator with Over/Under Voltage Detection Function
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Maker  AKM [Asahi Kasei Microsystems]
Homepage  http://www.akm.com
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AP1163 Datasheet(HTML) 9 Page - Asahi Kasei Microsystems

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[AP1163]
018002684-E-00
2018/05
- 9 -
 Example 2: The EN pin voltage is supplied by the IN pin, and the UVoutB and OVoutB pins are pulled
up by the OUT pins.
IN
AP1163
GND
EN
OUT
UVouB
OVoutB
IN
OVoutB
UVoutB
OUT
IN
EN
Pull-up
Power
OUT
UVoutB
OVoutB
OV Threshold
UV Threshold
UV Threshold
Figure 4. Example 2
10.3
Self-Diagnose Function
Self-diagnose function for Undervoltage and Overvoltage detections is enabled by setting the DIAG pin
to “H”. Each open collector output of the UVoutB and OVoutB pins is tuned ON if Undervoltage and
Overvoltage detections are operated normally. The UVoutB and the OVoutB pin outputs will be high
impedance if these functions are not operated correctly.
 Undervoltage/Overvoltage Detection Function
Normal Operation
 Undervoltage/Overvoltage Detection Function
Error
IN
EN
Pullup
Power
Supply
OUT
UVoutB
OVoutB
DIAG
IN
EN
Pullup
Power
Supply
OUT
UVoutB
OVoutB
DIAG
Figure 5. Self-Diagnose Timing Chart


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