Texas Instruments LP38690DTX-1.8/NOPB

Skip to product information
1 of 1
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Regular price $1.70
Regular price $1.79 Sale price $1.70
Sale Sold out
Quantity Unit Price Total Price
1 $1.70 $1.70
15+ $1.65 $24.75
25+ $1.61 $40.25
50+ $1.52 $76.00
100+ $1.34 $134.00
N+ $0.27 Price Inquiry
Shipping calculated at checkout.
Quantity
Component Recycling

Request Quote / Inquiry

Product attributes Property Value
Manufacturer Texas Instruments
Product Series
Packaging Cut Tape (CT) | Tape & Reel (TR)
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 10V
Voltage - Output (Min/Fixed) 1.8V
Voltage - Output (Max) -
Voltage Dropout (Max) 1.6V @ 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 TO-252-3, DPAK (2 Leads + Tab), SC-63
Supplier Device Package TO-252-3
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The LP38690DTX-1.8/NOPB is a fixed 1.8V low dropout regulator from National Semiconductor (TI), delivering up to 1A. With a low 55µA quiescent current, it offers excellent efficiency for battery-powered designs. The TO-252-3 package ensures good thermal performance, making it suitable for high-current applications in embedded and industrial systems.

  • High Output Current: 1A capability for demanding processor and logic loads.
  • Low Quiescent Current: 55µA extends battery life in portable devices.
  • Robust Thermal Package: TO-252-3 handles high power dissipation.
  • Stable 1.8V Rail: 55dB PSRR ensures clean power for sensitive electronics.

FPGA and CPLD Core Power

1A current capability and 1.8V output meet the core voltage requirements of many FPGAs and CPLDs, ensuring stable operation.

Portable Medical Devices

Low quiescent current and reliable output make it suitable for battery-powered diagnostic and monitoring equipment.

Networking Equipment

Powers 1.8V I/O and logic rails in routers, switches, and modems with high efficiency.

Embedded Systems

Ideal for ARM-based processors and SoCs requiring a robust 1.8V supply with 1A headroom.

Test and Measurement

Provides clean, stable 1.8V for precision instrumentation and data acquisition systems.

Q: What is the output voltage of the LP38690DTX-1.8/NOPB?
A: The fixed output voltage is 1.8V.
Q: What is the maximum output current?
A: It can deliver up to 1A.
Q: What is the input voltage range?
A: The input voltage range is not specified in the provided data; refer to the datasheet for absolute maximum ratings.
Q: What is the dropout voltage?
A: Dropout voltage is 1.6V at 1A load.
Q: What is the quiescent current?
A: The quiescent current is 55µA.
Q: What package is available?
A: It comes in a TO-252-3 (DPAK) package.
Base Product Number : LP38690DTX-1.8
1.8V 1A LDO Linear Regulator Low Quiescent Current National Semiconductor TI TO-252-3
Q: What is the output voltage of the LP38690DTX-1.8/NOPB?
A: The fixed output voltage is 1.8V.
Q: What is the maximum output current?
A: It can deliver up to 1A.
Q: What is the input voltage range?
A: The input voltage range is not specified in the provided data; refer to the datasheet for absolute maximum ratings.
Q: What is the dropout voltage?
A: Dropout voltage is 1.6V at 1A load.
Q: What is the quiescent current?
A: The quiescent current is 55µA.
Q: What package is available?
A: It comes in a TO-252-3 (DPAK) package.