NCP302 ON, NCP302 Datasheet - Page 18

• Manufacturer Part Number: NCP302
• Description: Voltage Detector Series with Programmable Delay
• Manufacturer: ON

5.0 V
1.0 V
2.85 V
2.70 V
0 V
C
D
C
C
D
5
D
NCP302
Series
C
2
3
Figure 40. Missing Pulse Detector or Frequency Detector
5
C
D
5
D
Input
GN
D
LSN45T1
NCP303
LSN27T1
APPLICATION CIRCUIT INFORMATION
NCP302
2
3
Figure 38. Microprocessor Reset Circuit
2
3
1
Figure 39. Battery Charge Indicator
Reset Output
Input
GN
D
Input
GN
D
Reset Output
[0.675*V
NCP302, NCP303
1
http://onsemi.com
1
Reset Output
Reset Output
Input
0 V
C
V
*
in
in
D
Required for
18
NCP303
*
V
supply
470 k
0.001 mF
Reset
V
V
in
in
> 2.835 ON
Microprocessor
< 2.7 ON
t
D2
Missing Pulse
GND
V
DD
To Additional Circuitry
To Additional Circuitry
V
DD