Datasheet for LT3964IUHE#PBF:
- Manufacturer Part Number : LT3964IUHE#PBF
- Manufacturer : AD
- Description : Dual 36V Synchronous 1.6A Buck LED Driver with I2C IC
- Series : LT3964
- Reference Price : USD 3.96
- Our Price : We have a better price, contact us by email
- Product Type : LED Driver IC
- Function : Step-Down (Buck) LED Drivers
- Current Suggest : Production
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : 36-Lead QFN (5mm x 6mm x 0.75mm w/ EP)
- Pins : 36
- MFG Package Case : 05-08-1876
- Part Type : OTH
- Standard Packing Type : Tube
- Standard Packing Quantity : 61
- Working Temperature : -40 to 125C
- Other Part Number : LT3964IUHE#PBF
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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The LT3964 is a dual synchronous step-down DC/DC converter with I2C interface designed to operate as a constant-current and constant-voltage source and is ideal for driving LEDs. The fixed frequency and peak current mode topology result in stable operation over a wide range of supply and output voltages. The ground referred voltage FB pin serves as the input for several LED protection features, and also allows the converter to operate as a constant-voltage source. The maximum output current is set by an external resistor, and the output current amplifier has a rail-to-rail common mode range. LT3964 uses an I2C interface to communicate with a microcontroller to read LED faults, write PWM and analog dimming registers and set fault masking. The I2C PWM input provides LED dimming ratios up to 8192:1. The I2C programmable CTRL register sets the gain of the external CTRL pin, and maximum current sense threshold, providing additional analog dimming capability.
Applications
- General Purpose, Industrial, Medical and Automotive Lighting
- Constant-Current, Constant-Voltage Source
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
