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Product attributes Property Value
Manufacturer Fairchild Semiconductor
Product Series
Packaging Bulk |
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 6V
Voltage - Output (Min/Fixed) 3V
Voltage - Output (Max) -
Voltage Dropout (Max) 0.23V @ 300mA
Current - Output 300mA
Current - Quiescent (Iq) 180 µA
Current - Supply (Max) -
PSRR 62dB ~ 38dB (120Hz ~ 10kHz)
Control Features Enable
Protection Features Over Current, Over Temperature, Transient Voltage
Operating Temperature -40°C ~ 125°C
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case SOT-23-5 Thin, TSOT-23-5
Supplier Device Package 5-TSOP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The NCP603SN300T1G from Fairchild Semiconductor is a low dropout linear regulator providing a fixed 3.0V output with up to 300mA current. Featuring a low quiescent current of 180 µA and a dropout voltage of 0.23V at full load, it is designed for efficient battery-powered operation. The compact 5-TSOP package makes it ideal for space-limited applications.

  • Efficient Power Conversion: Low dropout of 0.23V at 300mA maximizes battery utilization.
  • Low Power Consumption: 180 µA quiescent current extends battery life in portable devices.
  • Stable Output: PSRR of 62dB at 120Hz ensures clean, stable voltage for sensitive loads.
  • Compact Package: 5-TSOP package is ideal for miniaturized electronic designs.

Portable Consumer Electronics

The NCP603SN300T1G's 300mA output and 180 µA quiescent current make it suitable for powering portable devices like MP3 players and digital cameras.

Microcontroller Systems

Its stable 3.0V output is ideal for powering 3V logic and microcontrollers, ensuring reliable operation in embedded systems.

Battery Management Circuits

With a low dropout of 0.23V at full load, it efficiently regulates voltage from nearly depleted batteries.

Wireless Sensors

Good PSRR (62dB at 120Hz) helps maintain clean power for wireless sensor nodes, improving signal integrity.

Automotive Electronics

Its robust design and stable output make it suitable for various automotive infotainment and control modules.

Q: What is the output voltage of the NCP603SN300T1G?
A: The NCP603SN300T1G provides a fixed output voltage of 3.0V.
Q: What is the maximum output current?
A: It can deliver up to 300mA of output current.
Q: What is the input voltage range?
A: The input voltage range is not specified in the provided data; please refer to the datasheet.
Q: What is the dropout voltage?
A: The dropout voltage is 0.23V at 300mA load.
Q: What is the quiescent current?
A: The quiescent current is 180 µA.
Q: What package is available?
A: The NCP603SN300T1G is available in the 5-TSOP package.
Base Product Number : NCP603SN300T1G
3.0V 300mA 5-TSOP Fairchild Semiconductor LDO Linear Regulator Low Dropout
Q: What is the output voltage of the NCP603SN300T1G?
A: The NCP603SN300T1G provides a fixed output voltage of 3.0V.
Q: What is the maximum output current?
A: It can deliver up to 300mA of output current.
Q: What is the input voltage range?
A: The input voltage range is not specified in the provided data; please refer to the datasheet.
Q: What is the dropout voltage?
A: The dropout voltage is 0.23V at 300mA load.
Q: What is the quiescent current?
A: The quiescent current is 180 µA.
Q: What package is available?
A: The NCP603SN300T1G is available in the 5-TSOP package.