Texas Instruments LP38690SDX-5.0/NOPB

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Product attributes Property Value
Manufacturer Texas Instruments
Product Series
Packaging Cut Tape (CT) |
Output Configuration Active
Output Type Positive
Number of Regulators Fixed
Voltage - Input (Max) 10V
Voltage - Output (Min/Fixed) 5V
Voltage - Output (Max) -
Voltage Dropout (Max) 0.8V @ 1A
Current - Output 1A
Current - Quiescent (Iq) 55 μA
Current - Supply (Max) 100 μA
PSRR 55dB (120Hz)
Control Features -
Protection Features Over Temperature
Operating Temperature -40°C ~ 125°C
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 6-WDFN Exposed Pad
Supplier Device Package 6-WSON (3x3)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Texas Instruments LP38690SDX-5.0 is a fixed 5V, 1A low dropout linear regulator in a compact 6-WSON package. It features a low dropout of 0.8V at full load and a quiescent current of 55 μA. With 55dB PSRR at 120Hz, it delivers clean power for a wide range of industrial and automotive applications.

  • Low Dropout: 0.8V at 1A enables efficient 5V regulation from 5.8V inputs.
  • Compact Package: 6-WSON (3x3) saves board space in dense designs.
  • Good Ripple Rejection: 55dB at 120Hz reduces mains-related noise.
  • Stable 5V Output: Fixed output simplifies design for standard logic rails.

5V Logic and Peripheral Power

Provides a stable 5V rail for legacy logic ICs, relays, and small motors, with 1A capacity for multiple loads.

Automotive Infotainment

The 55dB PSRR at 120Hz filters alternator noise, ensuring clean power for audio codecs and display drivers.

Industrial Control Panels

Regulates 5V for PLC I/O modules, with low dropout of 0.8V allowing operation from 5.8V input.

Test and Measurement Equipment

Provides low-noise 5V for precision op-amps and reference circuits, improving measurement accuracy.

Networking Equipment

Powers 5V PHY transceivers and small switches, with thermal protection for reliable operation.

Q: What is the output voltage?
A: The fixed output voltage is 5V.
Q: What is the maximum output current?
A: It can deliver up to 1A 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 0.8V at 1A load.
Q: What is the quiescent current?
A: The quiescent current is 55 μA.
Q: What package is available?
A: It comes in a 6-WSON (3x3) package.
Base Product Number : LP38690SDX-5.0
1A 5V LDO Linear Regulator Low Dropout Texas Instruments WSON-6
Q: What is the output voltage?
A: The fixed output voltage is 5V.
Q: What is the maximum output current?
A: It can deliver up to 1A 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 0.8V at 1A load.
Q: What is the quiescent current?
A: The quiescent current is 55 μA.
Q: What package is available?
A: It comes in a 6-WSON (3x3) package.