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PDF NCP303LSN44T1 Data sheet ( Hoja de datos )

Número de pieza NCP303LSN44T1
Descripción Voltage Detector Series with Programmable Delay
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NCP302, NCP303
Voltage Detector Series
with Programmable Delay
The NCP302 and NCP303 series are second generation ultra−low
current voltage detectors that contain a programmable time delay
generator. These devices are specifically designed for use as reset
controllers in portable microprocessor based systems where extended
battery life is paramount.
Each series features a highly accurate undervoltage detector with
hysteresis and an externally programmable time delay generator. This
combination of features prevents erratic system reset operation.
The NCP302 series consists of complementary output devices that
are available with either an active high or active low reset. The
NCP303 series has an open drain N−Channel output with an active low
reset output.
Features
Quiescent Current of 0.5 mA Typical
High Accuracy Undervoltage Threshold of 2.0%
Externally Programmable Time Delay Generator
Wide Operating Voltage Range of 0.8 V to 10 V
Complementary or Open Drain Output
Active Low or Active High Reset
Pb−Free Packages are Available
Typical Applications
Microprocessor Reset Controller
Low Battery Detection
Power Fail Indicator
Battery Backup Detection
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5
1
THIN SOT23−5/TSOP−5/SC59−5
CASE 483
PIN CONNECTIONS AND
MARKING DIAGRAM
Reset 1
Output
Input 2
5 CD
Ground 3
4 N.C.
(Top View)
xxx =Specific Device Code
Y = Year
W = Work Week
ORDERING INFORMATION
See detailed ordering and shipping information in the ordering
information section on page 22 of this data sheet.
NCP302xSNxxT1
Complementary Output Configuration
2 Input
NCP303LSNxxT1
Open Drain Output Configuration
2 Input
1 Reset Output
RD
1
RD
* Reset
Vref
Output
Vref
3 GND 5 CD
3 GND 5 CD
* Inverter for active low devices.
* Buffer for active high devices.
This device contains 28 active transistors.
Figure 1. Representative Block Diagrams
© Semiconductor Components Industries, LLC, 2004
October, 2004 − Rev. 14
1
Publication Order Number:
NCP302/D

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NCP303LSN44T1 pdf
NCP302, NCP303
ELECTRICAL CHARACTERISTICS (continued) (For all values TA = 25°C, unless otherwise noted.)
Characteristic
Symbol Min Typ Max Unit
NCP302/3− 2.7
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁReset Output Current (Pin 1, Active High ‘H’ Suffix Devices)
IOUT
mA
Nch Sink Current, NCP302, NCP303
(VOUT = 0.5 V, Vin = 5.0 V)
6.3 11
Pch Source Current, NCP302
(VOUT = 0.4 V, Vin = 0.7 V)
(VOUT = GND, Vin = 1.5 V)
0.011
0.525
0.04
0.6
CD Delay Pin Threshold Voltage (Pin 5)
VTCD
V
(Vin = 2.97 V)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁDelay Capacitor Pin Sink Current (Pin 5)
(Vin = 0.7 V, VCD = 0.1V)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ(Vin = 1.5 V, VCD = 0.5V)
1.49 2.01 2.53
ICD mA
2.0 120
200 1600
Delay Pullup Resistance (Pin 5)
RD 0.5 1.0 2.0 MW
NCP302/3 − 3.0
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁDetector Threshold (Pin 2, Vin Decreasing)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁDetector Threshold Hysteresis (Pin 2, Vin Increasing)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁSupply Current (Pin 2)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ(Vin = 2.87 V)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ(Vin = 5.0 V)
VDET−
VHYS
Iin
2.94 3.00 3.06
V
0.09 0.15 0.21
V
mA
− 0.27 0.9
− 0.47 1.3
Maximum Operating Voltage (Pin 2)
Vin(max)
− 10 V
Minimum Operating Voltage (Pin 2)
(TA = −40°C to 85°C)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁReset Output Current (Pin 1, Active Low ‘L’ Suffix Devices)
Vin(min)
IOUT
0.55 0.70
V
− 0.65 0.80
mA
Nch Sink Current, NCP302, NCP303
(VOUT = 0.05V, Vin = 0.70V)
0.01 0.05
(VOUT = 0.50V, Vin = 1.5V)
1.0 2.0
Pch Source Current, NCP302
(VOUT = 2.4V, Vin = 4.5V)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁReset Output Current (Pin 1, Active High ‘H’ Suffix Devices)
IOUT
1.0 6.0
mA
Nch Sink Current, NCP302, NCP303
(VOUT = 0.5 V, Vin = 5.0 V)
6.3 11
Pch Source Current, NCP302
(VOUT = 0.4 V, Vin = 0.7 V)
(VOUT = GND, Vin = 1.5 V)
0.011
0.525
0.04
0.6
CD Delay Pin Threshold Voltage (Pin 5)
VTCD
V
(Vin = 3.3 V)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁDelay Capacitor Pin Sink Current (Pin 5)
(Vin = 0.7 V, VCD = 0.1V)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ(Vin = 1.5 V, VCD = 0.5V)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁDelay Pullup Resistance (Pin 5)
1.65 2.23 2.81
ICD mA
2.0 120
200 1600
RD 0.5 1.0 2.0 MW
NCP302/3 − 4.5
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁDetector Threshold (Pin 2, Vin Decreasing)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁDetector Threshold Hysteresis (Pin 2, Vin Increasing)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁSupply Current (Pin 2)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ(Vin = 4.34 V)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ(Vin = 6.5 V)
VDET−
VHYS
Iin
4.410
0.135
4.500
0.225
0.33
0.52
4.590
0.315
1.0
1.4
V
V
mA
Maximum Operating Voltage (Pin 2)
Vin(max)
− 10 V
Minimum Operating Voltage (Pin 2)
(TA = −40°C to 85°C)
Vin(min)
0.55 0.70
V
− 0.65 0.80
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NCP303LSN44T1 arduino
NCP302, NCP303
0.98
0.96
0.94
VDET+
0.92
0.90
VDET−
0.88
0.86
−50 −25 0 25 50 75 100
TA, AMBIENT TEMPERATURE (°C)
Figure 3. NCP302/3 Series 0.9 V
Detector Threshold Voltage vs. Temperature
3.00
2.95
2.90
2.85
VDET+
2.80
2.75
2.70
VDET−
2.65
2.60
−50 −25 0 25 50 75 100
TA, AMBIENT TEMPERATURE (°C)
Figure 4. NCP302/3 Series 2.7 V
Detector Threshold Voltage vs. Temperature
4.9
4.8
VDET+
4.7
4.6
VDET−
4.5
4.4
4.3
−50 −25 0 25 50 75 100
TA, AMBIENT TEMPERATURE (°C)
Figure 5. NCP302/3 Series 4.5 V
Detector Threshold Voltage vs. Temperature
0.9
Vin = 0.99 V
0.8
0.7
0.6
0.5
0.4
0.3
−50 −25 0 25 50 75 100
TA, AMBIENT TEMPERATURE (°C)
Figure 6. NCP302/3 Series 0.9 V
CD Delay Pin Threshold Voltage vs. Temperature
2.3
Vin = 2.97 V
2.2
2.1
2.0
1.9
1.8
−50 −25 0 25 50 75 100
TA, AMBIENT TEMPERATURE (°C)
Figure 7. NCP302/3 Series 2.7 V
CD Delay Pin Threshold Voltage vs. Temperature
3.3
Vin = 4.95 V
3.2
3.1
3.0
2.9
2.8
2.7
−50 −25 0 25 50 75 100
TA, AMBIENT TEMPERATURE (°C)
Figure 8. NCP302/3 Series 4.5 V
CD Delay Pin Threshold Voltage vs. Temperature
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