Input Voltage, Pin 2
VDET+ + 2
0.7
0V
NCP304A
Reset Output Voltage, Pin 1
5V
0.5 V
0V
2.5 V
NCP305L
Open Drain
VDET+ + 2
Reset Output Voltage, Pin 1 VDET+ + 2
2
0V
tpLH
0.1 V
tpHL
NCP304AL
Complementary
NCP304A is measured with a 10 pF capacitive load. The reset output voltage waveforms are shown for the active low ‘L’ devices.
The upper detector threshold, VDET+ is the sum of the lower detector threshold, VDET− plus the input hysteresis, VHYS.
Figure 2. Propagation Delay Measurement Conditions
Table 1. NCP304A SERIES ELECTRICAL CHARACTERISTIC TABLE FOR 0.9 − 4.9 V
Part Number
Detector Threshold
VDET− (V)
Min Typ Max
Detector Threshold
Hysteresis
VHYS (V)
Min Typ Max
Supply Current
Vin Low
Iin
(mA)
(Note 5)
Vin High
Iin
(mA)
(Note 6)
Typ
Typ
N−Channel Sink Cur-
rent
Vin Low
IOUT
(mA)
(Note 7)
Vin High
IOUT
(mA)
(Note 8)
P−Channel
Source
Current
IOUT
(mA)
(Note 9)
Typ
Typ
Typ
NCP304ALSQ43T1 4.214 4.3 4.386 0.129 0.215 0.301 1.1
1.3
3.0
5. Vin = VDET− − 0.16 V
6. Condition 2: Vin = VDET− + 2.0 V
7. Condition 3: Vin = 0.7 V, VOUT = 0.05 V, Active Low ‘L’ Suffix Devices
8. Condition 4: Vin = 1.5 V, VOUT = 0.5 V, Active Low ‘L’ Suffix Devices
9. Condition 5: Vin = 8.0 V, VOUT = 5.9 V, Active Low ‘L’ Suffix Devices
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