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Part Number: NCP304
Description: The NCP304 and NCP305 series are second generation ultra−low current voltage detectors. These de...
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NCP304
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General Description
NCP304 General Description
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.
NCP304 Maximum Ratings
|
Rating |
Symbol |
Value |
Unit |
| Input Power Supply Voltage (Pin 2) |
Vin |
12 |
V |
| Output Voltage (Pin 1) Complementary, NCP304 N−Channel Open Drain, NCP305 |
VOUT |
−0.3 to Vin+0.3 −0.3 to 12 |
V |
| Output Current (Pin 1) (Note 2) |
IOUT |
70 |
mA |
| Thermal Resistance Junction−to−Air |
RJA |
285 |
/W |
| Maximum Junction Temperature |
TJ |
+125 |
|
| Storage Temperature Range |
Tstg |
-55 to +150 |
|
| Latchup Performance (Note 3) Positive Negative |
lLATCHUP |
500 170 |
mA |
values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied,
damage may occur and reliability may be affected.
NCP304 Features
• Quiescent Current of 1.0 A 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*
• 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*
NCP304 Typical Application
• Microprocessor Reset Controller
• Low Battery Detection
• Power Fail Indicator
• Battery Backup Detection
• Low Battery Detection
• Power Fail Indicator
• Battery Backup Detection
NCP304 Connection Diagram
NCP304
PDF/DataSheet Download
- Datasheet: NCP304
- File Size: 131997 KB
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