NCP302 ON, NCP302 Datasheet - Page 7

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

Input Voltage,
Voltage, Pin 1
Reset Output
NCP302 and NCP303 series are measured with a 10 pF capacitive load. NCP303 has an additional 470 k pullup resistor
connected from the reset output to +5.0 V. The reset output voltage waveforms are shown for the active low ‘L’ devices. Output
time delay t
threshold, V
Pin 2
D1
DET+
V
V
V
DET+
DET+
DET+
and t
is the sum of the lower detector threshold, V
2
+ 2.0 V
+ 2.0 V
+ 2.0 V
D2
0.7 V
GND
are dependent upon the delay capacitance. Refer to Figures 12, 13, and 14. The upper detector
GND
Figure 2. Measurement Conditions for t
t
D1
NCP302L
t
D2
NCP302, NCP303
http://onsemi.com
DET−
7
plus the input hysteresis, V
V
DET+
+ 2.0 V
0.7 V
GND
5.0 V
2.5 V
GND
D1
and t
D2
t
D1
NCP303L
HYS
.
t
D2