Manufacturer Part Number

NCP3065DR2G

Description

LED driver IC for high-efficiency power conversion, supporting up to 1.5A output current. Integrates both analog and PWM dimming for flexible brightness control. Suitable for both step-down (buck) and step-up (boost) DC-DC operation. Delivered in an 8-SOIC surface mount package for easy PCB assembly.

Specifications

Output current: 1.5A max (switch)

Supply voltage range: 3V to 40V

Operating frequency: 150kHz

Number of outputs: 1

Dimming methods: Analog, PWM

Internal switches: Yes

Operating temperature: -40°C to +125°C (TJ)

Package: 8-SOIC; width: 3.90mm (0.154")

Mounting: Surface mount

RoHS3 compliant, MSL 1 (unlimited), REACH unaffected

ECCN: EAR99

HTSUS code: 8542.39.0001

Inventory: 20200 pcs in stock (new, original)

Device Structure

Monolithic IC with integrated switching transistor. Designed for single-channel LED driving. Features both step-up (boost) and step-down (buck) DC-DC topologies. Surface mount package (8-SOIC) for solid board mounting and efficient heat dissipation.

Performance Characteristics

Wide input supply voltage range, supporting low voltage (3V) to higher voltage (40V) sources. Maintains high efficiency for LED driving up to 1.5A output. Offers flexible brightness control through both analog and PWM dimming. Stable operation over a wide temperature range.

Application Environments

Used in lighting electronics requiring high-efficiency LED drive:

Automotive lighting

Portable lighting (flashlights, battery-powered lamps)

Industrial and architectural LED lighting

Signage and display backlighting

Selection Guidelines

Choose NCP3065DR2G for systems needing a single-output LED driver with both buck and boost capability. Check that your LED array current is 1.5A or less per channel. Confirm supply voltage requirements (3V–40V). For applications needing flexible dimming control, this IC provides both analog and PWM options. Make sure your PCB can accommodate the 8-SOIC package.

Usage Considerations

Ensure adequate thermal management if running near the maximum current. Proper external inductor and capacitor selection is essential for stable operation and efficiency. For higher output or multiple channels, consider paralleling devices or seeking multi-channel versions. Check solder profile and reflow conditions due to the MSL 1 rating.

Potential Equivalent/Replacement Models

There are several equivalent or similar alternatives for the NCP3065DR2G:

Texas Instruments LM3405 (also a 1.5A LED driver, step-up/down, PWM dimming)

Microchip MIC3203 (1A LED driver, PWM dimming, integrated switch)

Allegro A6211/A6210 (similar buck/boost/topology, adjustable current)

Diodes Inc. AL8805 (1.5A, step-down, PWM dimming)

ON Semiconductor NCP3066 (similar part, higher frequency, compatible with NCP3065)

If an exact form, fit, or function match is required and none of the listed alternatives is suitable, contact Ariat-Tech sales team for further support on sourcing or cross-referencing alternatives.

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