Datasheet for DC1784B:
- Manufacturer Part Number : DC1784B
- Manufacturer : AD
- Description : 100V Constant-Current and Constant-Voltage Controller with Dual Current Sense IC
- Series : LT3796
LT3796-1 - Reference Price : USD 0
- Our Price : We have a better price, contact us by email
- Product Type : LED Driver IC
- Function : Multitopology LED Driver
- Current Suggest : Production
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : LT3797EUKG Demo Board: 2.5V to 40V input to 1A output at up to 50V
- Pins : -
- MFG Package Case : -
- Part Type : EVAL
- Standard Packing Type : -
- Standard Packing Quantity : -
- Working Temperature : -
- Other Part Number : DC1784B
- 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 LT3796/LT3796-1 are DC/DC controllers designed to regulate a constant-current or constant-voltage and are ideal for driving LEDs. The fixed frequency and current mode architecture result in stable operation over a wide range of supply and output voltages. Two ground referred voltage FB pins serve as the input for several LED protection features, and also allow the converter to operate as a constant-voltage source. The LT3796/LT3796-1 feature a programmable threshold output current sense amplifier with rail-to-rail common mode range. A separate high side amplifier is gain configurable with two resistors and can be used to regulate a second current or a voltage in combination with one of the FB pins. The PWM input provides LED dimming ratios of up to 3000:1.
The LT3796-1 is optimized for a second output current regulation loop that can be enabled/disabled with a PMOS switch, either to drive a second LED string or to extend analog dimming range.
Applications
- High Power LED, High Voltage LED, Dual String
- Battery and SuperCap Chargers
- Accurate Current Limited Voltage Regulators
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.
