ON Semiconductor NCP303LSN18T1G
Product Information
The NCP303LSN18T1G is a single-channel voltage supervisor IC offered by ON Semiconductor in a 5-TSOP package. It features an open drain or open collector output and a reset threshold of 1.8V, enabling efficient power management and system reliability in various electronic applications.
Number of Supervisors:
1
Maximum Reset Threshold Voltage:
1.854V
Maximum Monitored Voltage:
4.9V
Dimensions:
3 x 1.5 x 1mm
Mounting Type:
Surface Mount
Minimum Reset Threshold Voltage:
1.746V
Minimum Monitored Voltage:
0.9V
Voltage Supervisor Type:
Voltage Detector
Minimum Operating Supply Voltage:
0.8 V
Package Type:
TSOP
Minimum Operating Temperature:
-40 °C
Maximum Operating Supply Voltage:
10 V
Maximum Operating Temperature:
+125 °C
Pin Count:
5
Reset:
Base Part Number:
NCP303
Detailed Description:
Supervisor Open Drain or Open Collector 1 Channel 5-TSOP
Voltage - Threshold:
1.8V
Mounting Type:
Surface Mount
Reset Timeout:
Adjustable/Selectable
Manufacturer Standard Lead Time:
15 Weeks
Supplier Device Package:
5-TSOP
Packaging:
Cut Tape (CT)
Operating Temperature:
-40°C ~ 125°C (TA)
Customer Reference:
Package / Case:
SOT-23-5 Thin, TSOT-23-5
Output:
Open Drain or Open Collector
Number of Voltages Monitored:
1
Type:
Simple Reset/Power-On Reset
Manufacturer:
ON Semiconductor
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The NCP303LSN18T1G is a versatile supervisor IC that ensures reliable system operation by monitoring the power supply voltage. It is typically utilised in various applications such as microcontrollers, DSPs, FPGAs, and other digital systems. The 5-TSOP package makes it compact and suitable for space-constrained designs. With its open drain or open collector output options, fault detection features, and low power consumption, it is well-suited for various applications requiring robust power supply supervision.
The primary function of the NCP303LSN18T1G is to monitor the power supply voltage. It has a preset threshold voltage of 1.8V, which can be adjusted externally if required. When the supply current falls below the threshold, the supervisor generates a reset signal to initiate a system reset or hold-off sequence.
The NCP303LSN18T1G offers flexibility in output configuration by providing both open drain and open collector options. An open drain output requires an external pull-up resistor, while an open collector output has an internal pull-up resistor. This choice allows compatibility with different system architectures.
To enhance reliability, the NCP303LSN18T1G features built-in fault detection and hysteresis. It can detect and respond to fault conditions such as undervoltage lockout, overvoltage, and overtemperature. The hysteresis feature prevents oscillation near the threshold voltage, ensuring stable operation.
The NCP303LSN18T1G is designed with low power consumption in mind, making it suitable for battery-powered and energy-efficient devices. It operates in a wide supply voltage range and consumes minimal current, conserving energy and extending battery life.
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