LM317LDR2G – onsemi 100mA Adjustable Positive Voltage Regulator

Quick Answer The LM317LDR2G is a versatile, three-terminal adjustable positive voltage regulator from onsemi capable of supplying in excess of 100mA over an output voltage range of 1.2V to 37V. It requires only two external resistors to set the output voltage and features internal current limiting, thermal overload protection, and safe area compensation, making it ideal for industrial, consumer, and portable power supply applications in a compact SOIC-8 package.

Current Stock at ICMASS: Strong inventory available for immediate worldwide delivery.

Key Specifications

[Download Official LM317L Datasheet PDF]

Why Choose LM317LDR2G?

• Easy adjustable output from 1.2V to 37V with only two external resistors
• Robust protection: internal current limiting, thermal shutdown, and safe area compensation
• Wide input voltage range up to 40V
• Compact SOIC-8 package ideal for automated assembly and space-constrained designs
• Reliable line and load regulation performance
• Pb-free, RoHS compliant, and halogen-free
• Cost-effective solution for precision voltage regulation

Typical Applications

• Industrial and commercial power supplies
• Battery chargers and LED current regulators
• Sensor and analog circuit power supplies
• Portable and battery-powered equipment
• Test and measurement instruments
• Post-regulation for switching supplies
• Automotive electronics (non-safety critical)
• Programmable voltage sources

LM317LDR2G Alternatives & Cross Reference Popular Alternatives:

• LM317L series (other packages: TO-92, SOT-223)
• LM317 (higher current 1.5A version)
• LM317LMX/NOPB (TI equivalent)
• TL317, LM1117 (fixed or lower cost options)

Comparison Table:

Purchasing Information at ICMASS

• Stock Status: Strong inventory available
• MOQ: 100 pieces (samples welcome)
• Lead Time: 1-3 days for stock orders
• Shipping: Fast global delivery (DHL, UPS, FedEx)
• Quality Guarantee: 100% genuine onsemi components

Get Competitive Quote – Contact us for bulk pricing and technical support.

Frequently Asked Questions (FAQ)

Q1: What is the LM317LDR2G mainly used for? A: It is used for adjustable positive voltage regulation in applications requiring 1.2V to 37V output at up to 100mA.

Q2: What is the output voltage range of LM317LDR2G? A: Adjustable from 1.2V to 37V using two external resistors.

Q3: What is the maximum output current? A: In excess of 100mA continuous.

Q4: What package does the LM317LDR2G use? A: SOIC-8 package, supplied in Tape & Reel for automated SMT assembly.

Q5: What is the maximum input voltage? A: Capable of handling up to 40V input voltage.

Q6: Does it include protection features? A: Yes, internal current limiting, thermal overload protection, and safe operating area compensation.

Q7: Is the LM317LDR2G suitable for battery-powered devices? A: Yes, it is widely used in portable equipment due to its flexibility and protection features.

Q8: Do you have real stock of LM317LDR2G? A: Yes, we maintain good inventory levels for fast delivery.

Q9: What is the typical line and load regulation? A: Line regulation is typically 0.01%/V and load regulation is excellent at 0.1% typical.

Q10: Can you provide reference designs or layout recommendations? A: Yes, we supply official onsemi datasheet, reference designs, and application notes.

Q11: Do you offer volume pricing? A: Yes. Competitive tiered pricing is available for quantities from 1K to 100K+.

Q12: How does LM317LDR2G compare to LM317LMX/NOPB? A: Both are 100mA adjustable regulators in SOIC-8; LM317LDR2G is from onsemi while LM317LMX/NOPB is from TI - they are functional equivalents with minor spec variations.

Related Products

• LM317L series (other packages and variants)
• LM317 higher current adjustable regulators
• Other onsemi Linear Voltage Regulators
• LDO regulators for low dropout needs