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Número de pieza | NCP304 | |
Descripción | Voltage Detector Series | |
Fabricantes | ON | |
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No Preview Available ! NCP304, NCP305
Voltage Detector Series
The NCP304 and NCP305 series are second generation ultra−low
current voltage detectors. 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 which prevents erratic system reset operation as the
comparator threshold is crossed.
The NCP304 series consists of complementary output devices that
are available with either an active high or active low reset output. The
NCP305 series has an open drain N−Channel output with an active low
reset output.
The NCP304 and NCP305 device series are available in the
SC−82AB package with standard undervoltage thresholds. Additional
thresholds that range from 0.9 V to 4.9 V in 100 mV steps can be
manufactured.
Features
• Quiescent Current of 1.0 mA Typical
• High Accuracy Undervoltage Threshold of 2.0%
• Wide Operating Voltage Range of 0.8 V to 10 V
• Complementary or Open Drain Reset Output
• Active Low or Active High Reset Output
• Pb−Free Packages are Available*
Typical Applications
• Microprocessor Reset Controller
• Low Battery Detection
• Power Fail Indicator
• Battery Backup Detection
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4
1
SC−82AB
SQ SUFFIX
CASE 419C
PIN CONNECTIONS AND
MARKING DIAGRAM
Reset 1
Output
4 GND
Vin 2
3 N.C.
(Top View)
xxx = Specific Device Code
M = Date Code
ORDERING INFORMATION
See detailed ordering and shipping information in the ordering
information section on page 19 of this data sheet.
*For additional information on our Pb−Free strategy
and soldering details, please download the
ON Semiconductor Soldering and Mounting
Techniques Reference Manual, SOLDERRM/D.
NCP304xSQxxT1
Complementary Output Configuration
2
Input
*
Vref
1
Reset Output
4
GND
This device contains 38 active transistors.
NCP305LSQxxT1
Open Drain Output Configuration
2
Input
1
Reset Output
Vref
4
GND
This device contains 37 active transistors.
* The representative block diagram depicts active low reset output ‘L’ suffix devices. The comparator
input is interchanged for the active high output ‘H’ suffix devices.
Figure 1. Representative Block Diagrams
© Semiconductor Components Industries, LLC, 2004
April, 2004 − Rev. 14
1
Publication Order Number:
NCP304/D
1 page NCP304, NCP305
ELECTRICAL CHARACTERISTICS (continued) (For all values TA = 25°C, unless otherwise noted.)
Characteristic
Symbol Min Typ Max Unit
ÁÁÁÁÁÁNSC((uVVPÁÁÁpii3nnp0l==y4ÁÁÁ25/C5..u80−r7ÁVrÁÁ3eV).n0)tÁ(ÁÁPinÁÁÁ2) ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁIin ÁÁÁÁÁÁÁÁÁ−−ÁÁÁÁÁÁÁÁÁ11..02ÁÁÁÁÁÁÁÁÁ33..06ÁÁÁÁÁÁÁÁÁmA ÁÁÁ
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)
−
0.55 0.70
V
− 0.65 0.80
IOUT
mA
Nch Sink Current, NCP304, NCP305
(VOUT = 0.05V, Vin = 0.70V)
0.01 0.05
−
(VOUT = 0.50V, Vin = 1.5V)
1.0 2.0
−
Pch Source Current, NCP304
(VOUT = 2.4V, Vin = 4.5V)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁReset Output Current (Pin 1, Active High ‘H’ Suffix Devices)
IOUT
1.0 2.0
−
mA
Nch Sink Current, NCP304, NCP305
(VOUT = 0.5 V, Vin = 5.0 V)
6.3 11
−
Pch Source Current, NCP304
(VOUT = 0.4 V, Vin = 0.7 V)
(VOUT = GND, Vin = 1.5 V)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁPropagation Delay Input to Output (Figure 2)
0.011
0.525
0.04
0.6
−
−
ms
Complementary Output NCP304 Series
Output Transition, High to Low (Note 3)
tpHL − 12 −
Output Transition, Low to High (Note 3)
tpLH − 19 60
N−Channel Open Drain NCP305 Series
Output Transition, High to Low (Note 3)
Output Transition, Low to High (Note 3)
tpHL − 12 −
tpLH − − 100
NCP304/5 − 4.5
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁDetector Threshold (Pin 2, Vin Decreasing)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁDetector Threshold Hysteresis (Pin 2, Vin Increasing)
Supply Current (Pin 2)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ(Vin = 4.34 V)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ(Vin = 6.5 V)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁMaximum Operating Voltage (Pin 2)
VDET−
VHYS
Iin
Vin(max)
4.410
0.135
−
−
−
4.500
0.225
−
−
−
4.590
0.315
3.0
3.9
10
V
V
mA
V
Minimum Operating Voltage (Pin 2)
Vin(min)
−
0.55 0.70
V
(TA = −40°C to 85°C)
Reset Output Current (Pin 1, Active Low ‘L’ Suffix Devices)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁNch Sink Current, NCP304, NCP305
IOUT
− 0.65 0.80
mA
(VOUT = 0.05V, Vin = 0.70V)
0.01 0.05
−
(VOUT = 0.50V, Vin = 1.5V)
1.0 2.0
−
Pch Source Current, NCP304
(VOUT = 5.9V, Vin = 8.0V)
Reset Output Current (Pin 1, Active High ‘H’ Suffix Devices)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁNch Sink Current, NCP304, NCP305
IOUT
1.5 3.0
−
mA
(VOUT = 0.5 V, Vin = 5.0 V)
6.3 11
−
Pch Source Current, NCP304
(VOUT = 0.4 V, Vin = 0.7 V)
(VOUT = GND, Vin = 1.5 V)
0.011
0.525
0.04
0.6
−
−
3. In the case of CMOS Output Type: The time interval between the rising edge of VDD input pulse from 0.7 V to (+VDET) +2.0 V and output
voltage level becoming to VDD/2. In the case of NCH Open Drain Output Type: Output pin is pulled up with a resistance of 470 kW to 5.0 V,
the time interval between the rising edge of VDD input pulse from 0.7 V to (+VDET) +2.0 V and output voltage level becoming to 2.5.
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5
5 Page NCP304, NCP305
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. NCP304/5 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. NCP304/5 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. NCP304/5 Series 4.5 V
Detector Threshold Voltage vs. Temperature
1.0
0.8
0.6
0.4
TA = −30°C
TA = 25°C
0.2 TA = 85°C
0
0 0.2 0.4 0.6 0.8 1.0
Vin, INPUT VOLTAGE (V)
Figure 6. NCP304L/5L Series 0.9 V
Reset Output Voltage vs. Input Voltage
3.0
2.5
2.0
1.5
1.0
0.5
0
0
TA = −30°C
TA = 25°C
TA = 85°C
1.0 0.5 1.5 2.0
Vin, INPUT VOLTAGE (V)
2.5
3.0
Figure 7. NCP304L/5L Series 2.7 V
Reset Output Voltage vs. Input Voltage
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0
0
TA = −30°C
TA = 25°C
TA = 85°C
1.0 2.0 3.0 4.0 5.0
Vin, INPUT VOLTAGE (V)
Figure 8. NCP304L/5L Series 4.5 V
Reset Output Voltage vs. Input Voltage
6.0
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11
11 Page |
Páginas | Total 22 Páginas | |
PDF Descargar | [ Datasheet NCP304.PDF ] |
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