Product Information

DC1947A

DC1947A electronic component of Analog Devices

Datasheet
LED Lighting Development Tools LT3799EMSE-1 Demo Board Offline Isolated Flyback LED Driver with PFC

Manufacturer: Analog Devices
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



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1: USD 275.2222 ea
Line Total: USD 275.22

0 - Global Stock
MOQ: 1  Multiples: 1
Pack Size: 1
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0 - WHS 1


Ships to you between Fri. 10 May to Thu. 16 May

MOQ : 1
Multiples : 1

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DC1947A
Analog Devices

1 : USD 275.2222

0 - WHS 2


Ships to you between Thu. 16 May to Mon. 20 May

MOQ : 1
Multiples : 1

Stock Image

DC1947A
Analog Devices

1 : USD 272.4983

     
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DEMO MANUAL DC1947A LT3799-1 Offline Isolated Flyback LED Driver with PFC DESCRIPTION Demonstration circuit 1947A is an off-line isolated flyback The LT3799-1 is available in a low profile, thermally- LED driver featuring LTC 3799-1 . The demo board provides enhanced 16-lead MSOP package. a single constant current output of 1A over an LED string The LT3799-1 data sheet gives a complete description voltage from 30V to 50V. It is optimized to operate over a of the device, operation and application information. The wide AC input voltage range (90VAC to 277VAC, 47Hz to data sheet must be read in conjunction with this quick 63Hz). It provides a high power factor (>0.9) enabling a start guide for demo circuit 1947A. single design to be used worldwide. It is also designed to Design files for this circuit board are available at comply with the IEC 61000-3-2 Class C harmonics standard DEMO MANUAL DC1947A QUICK START PROCEDURE IMPORTANT NOTE TO CUSTOMERS for proper measurement equipment setup and follow the procedure below: HIGH VOLTAGES ARE PRESENTED ON THE DEMO CIRCUIT, AND CAN LEAD TO LETHAL INJURIES TO HUMAN BODY. 1. Connect a 1A LED string with forward voltage less than + ONLY QUALIFIED PERSONNEL SHOULD OPERATE IT. IT IS 50V, but greater than 30V, between LED and LED ter- STRONGLY RECOMMENDED TO USE SAFETY GLASSES minals. AND AN ISOLATION TRANSFORMER. 2. With power off, connect the input power supply to line NOTE. IMPROPER COMPONENTS REPLACEMENT ON THE (L) input and neutral (N) input. DEMO CIRCUIT CAN CAUSE PERFORMANCE DETERIORA- 3. Turn on the power at the input. TIONS, CIRCUIT MALFUNCTION, PROPERTY DAMAGE, NOTE. Make sure that the input voltage does not exceed AND EVEN LIFE-THREATENING INJURIES. CONTACT the maximum input voltage (277VAC). LINEAR TECHNOLOGY APPLICATIONS ENGINEERS FOR PROPER COMPONENT REPLACEMENT. 4. Check for the proper output current. Demonstration circuit 1947A is easy to set up to evalu- Once the proper output currents are established, adjust the ate the performance of the LT3799-1. Refer to Figure 1 input voltage and/or the load and observe the output current regulation, efficiency, power factor and other parameters. Figure 1. Proper Measurement Equipment Setup dc1947afb 2

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