Texas Instruments LM1117IDTX-ADJ/NOPB

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Product attributes Property Value
Manufacturer Texas Instruments
Product Series
Packaging Cut Tape (CT) | Tape & Reel (TR)
Output Configuration Positive
Output Type Adjustable
Number of Regulators 1
Voltage - Input (Max) 15V
Voltage - Output (Min/Fixed) 1.25V
Voltage - Output (Max) 13.8V
Voltage Dropout (Max) 1.2V @ 800mA
Current - Output 800mA
Current - Quiescent (Iq) 5 mA
Current - Supply (Max) 10 mA
PSRR 75dB (120Hz)
Control Features -
Protection Features Over Current, 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 LM1117IDTX-ADJ/NOPB from Texas Instruments is an adjustable linear regulator with a 1.25V reference, capable of outputting up to 13.8V. It delivers 800mA in a TO-252-3 package, with a dropout of 1.2V at full load. The quiescent current is 5 mA, and PSRR is 75dB at 120Hz. This versatile regulator suits applications requiring a customizable voltage rail.

  • Adjustable Output: Set any voltage from 1.25V to 13.8V with external resistors, offering design flexibility.
  • High PSRR: 75dB at 120Hz ensures minimal ripple, critical for analog and RF circuits.
  • Robust Current: 800mA supports moderate loads without external pass transistors.
  • Wide Input Range: Handles inputs up to 15V, making it suitable for various supply rails.

Variable Power Supplies

As an adjustable regulator, it enables precise output voltages from 1.25V to 13.8V, ideal for bench supplies and prototyping.

FPGA and DSP Core Supplies

Provides a stable, adjustable core voltage for FPGAs and DSPs, with 800mA capability and 75dB PSRR at 120Hz for clean operation.

Battery Chargers

Used in charging circuits where a programmable output voltage is needed for different battery chemistries.

Audio Preamplifiers

Powers analog front-ends with a low-noise adjustable rail, ensuring high signal integrity.

Industrial Process Control

Regulates sensor excitation voltages and loop-powered transmitters, offering flexibility in calibration.

Networking Equipment

Provides adjustable voltages for PHY and switch ICs, accommodating various I/O standards.

Q: What is the output voltage of the LM1117IDTX-ADJ/NOPB?
A: It is adjustable, with a reference voltage of 1.25V, allowing output up to 13.8V.
Q: What is the maximum output current?
A: It can deliver up to 800mA.
Q: What is the input voltage range?
A: The input voltage is 1.25V (reference) and can go up to 15V for higher outputs.
Q: What is the dropout voltage?
A: Dropout is 1.2V typical at 800mA load.
Q: What is the quiescent current?
A: Quiescent current is 5 mA.
Q: What package is available?
A: It comes in a TO-252-3 (DPAK) package.
Base Product Number : LM1117IDTX-ADJ
1.25V Reference 800mA Adjustable High PSRR LDO Linear Regulator Texas Instruments TO-252-3
Q: What is the output voltage of the LM1117IDTX-ADJ/NOPB?
A: It is adjustable, with a reference voltage of 1.25V, allowing output up to 13.8V.
Q: What is the maximum output current?
A: It can deliver up to 800mA.
Q: What is the input voltage range?
A: The input voltage is 1.25V (reference) and can go up to 15V for higher outputs.
Q: What is the dropout voltage?
A: Dropout is 1.2V typical at 800mA load.
Q: What is the quiescent current?
A: Quiescent current is 5 mA.
Q: What package is available?
A: It comes in a TO-252-3 (DPAK) package.