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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) 1.25V
Voltage - Output (Max) 37V
Voltage Dropout (Max) -
Current - Output 1.5A
Current - Quiescent (Iq) 12 mA
Current - Supply (Max) -
PSRR 60dB ~ 75dB (120Hz)
Control Features -
Protection Features -
Operating Temperature 0°C ~ 125°C (TJ)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
Supplier Device Package D2PAK
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The MCC LM317DT-TP is a classic adjustable linear regulator offering 1.5A output current and a wide 1.25V to 37V output range. Its D2PAK package ensures good thermal dissipation. With 12 mA quiescent current and 60-75dB PSRR, it is a versatile choice for power supplies, chargers, and audio circuits.

  • Adjustable output (1.25V-37V) – maximum design flexibility.
  • 1.5A current capability – drives high-load applications.
  • D2PAK package – excellent heat dissipation for continuous operation.
  • Proven industry-standard architecture – reliable and widely supported.

Variable Bench Power Supplies

Adjustable 1.25V-37V output makes it ideal for lab power supplies with 1.5A capability.

LED Driver Current Source

Configured as a constant current source for high-power LEDs up to 1.5A.

Battery Charger

Provides regulated voltage/current for charging lead-acid or lithium batteries.

Audio Amplifier Rails

Low noise and 75dB PSRR at 120Hz help power op-amp circuits cleanly.

Industrial Process Control

Robust D2PAK package handles thermal stress in 24V industrial systems.

Test Equipment Reference

Precise adjustable output for calibration and measurement instruments.

Q: What is the output voltage range?
A: It is adjustable from 1.25V to 37V.
Q: What is the maximum output current?
A: It can supply up to 1.5A.
Q: What is the input voltage requirement?
A: Input voltage must be at least 1.25V above the desired output.
Q: What is the quiescent current?
A: Typical quiescent current is 12 mA.
Q: What is the PSRR performance?
A: PSRR is 60dB to 75dB at 120Hz.
Q: What package is this available in?
A: It comes in a D2PAK package.
Base Product Number : LM317DT
1.5A 37V Adjustable D2PAK LDO Linear Regulator MCC Variable Output
Q: What is the output voltage range?
A: It is adjustable from 1.25V to 37V.
Q: What is the maximum output current?
A: It can supply up to 1.5A.
Q: What is the input voltage requirement?
A: Input voltage must be at least 1.25V above the desired output.
Q: What is the quiescent current?
A: Typical quiescent current is 12 mA.
Q: What is the PSRR performance?
A: PSRR is 60dB to 75dB at 120Hz.
Q: What package is this available in?
A: It comes in a D2PAK package.