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Product attributes Property Value
Manufacturer MCC (Micro Commercial Components)
Product Series
Packaging Bulk |
Output Configuration Active
Output Type Positive
Number of Regulators Adjustable
Voltage - Input (Max) 40V
Voltage - Output (Min/Fixed) 1.2V
Voltage - Output (Max) 37V
Voltage Dropout (Max) -
Current - Output 100mA
Current - Quiescent (Iq) 12 mA
Current - Supply (Max) -
PSRR 75dB ~ 60dB (120Hz)
Control Features -
Protection Features -
Operating Temperature 0°C ~ 125°C (TJ)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case TO-252-3, DPAK (2 Leads + Tab), SC-63
Supplier Device Package TO-252 (DPAK)

The LM317MDT-BP from MCC is a versatile adjustable linear regulator delivering up to 100mA with an output range from 1.2V to 37V. Its low quiescent current and excellent PSRR make it a reliable choice for noise-sensitive applications. Housed in a compact TO-252 package, it simplifies PCB layout for industrial and consumer designs.

  • Wide Adjustable Range: Output from 1.2V to 37V provides design flexibility for multiple voltage rails.
  • Low Quiescent Current (12 mA): Enhances efficiency in battery-operated devices.
  • High PSRR (75dB @ 120Hz): Rejects ripple for cleaner power in audio and precision analog circuits.
  • Compact TO-252 Package: Saves board space while allowing adequate thermal dissipation.

Adjustable Power Supply for Microcontrollers

Use the LM317MDT-BP to create a precise, adjustable supply rail from 1.2V to 37V for MCU boards, allowing flexible logic-level voltages.

Battery-Powered Instrumentation

With a low 12 mA quiescent current, this regulator is suitable for portable instruments where battery life is critical.

Audio Preamplifier Biasing

The high PSRR (75dB at 120Hz) minimizes mains hum, making it ideal for clean DC biasing in audio preamp circuits.

Industrial Sensor Interfaces

Adjustable output lets you match sensor supply requirements (e.g., 3.3V, 5V, 12V) from a single regulator design.

Bench Power Supply Reference

Use it as a stable reference stage in a bench supply, leveraging its adjustable output and 100mA capability for low-current loads.

Prototype Development Boards

Its TO-252 package is easy to solder on prototype PCBs, enabling quick iteration of adjustable voltage rails.

Q: What is the output voltage range of the LM317MDT-BP?
A: The LM317MDT-BP is an adjustable LDO with an output voltage range from 1.2V up to 37V.
Q: What is the maximum output current?
A: The maximum output current is 100mA.
Q: What is the input voltage range?
A: The input voltage range is from 1.2V up to 37V.
Q: What is the quiescent current?
A: The quiescent current is 12 mA.
Q: What is the package type?
A: The LM317MDT-BP comes in a TO-252 (DPAK) package.
Q: What is the PSRR performance?
A: The PSRR is 75dB to 60dB at 120Hz.
Base Product Number : LM317MDT
100mA 37V Adjustable DPAK High PSRR LDO Linear Regulator Low Quiescent Current TO-252
Q: What is the output voltage range of the LM317MDT-BP?
A: The LM317MDT-BP is an adjustable LDO with an output voltage range from 1.2V up to 37V.
Q: What is the maximum output current?
A: The maximum output current is 100mA.
Q: What is the input voltage range?
A: The input voltage range is from 1.2V up to 37V.
Q: What is the quiescent current?
A: The quiescent current is 12 mA.
Q: What is the package type?
A: The LM317MDT-BP comes in a TO-252 (DPAK) package.
Q: What is the PSRR performance?
A: The PSRR is 75dB to 60dB at 120Hz.