i6A4W Series 250W, 9-53V Input Non-isolated DC-DC Converter Features  Up to 250W Output  1/16th brick Footprint  Wide Output Adjustment 3.3 to 15V or 3.3 to 40V  Minimal External Components Needed  Constant Switching Frequency Key Market Segments & Applications Specifi cations Model I6A4W010A033V I6A4W020A033V DC Output Voltage V 3.3 to 40V 3.3 to 15V DC Output Power (max) W 250 DC Input Voltage V 9 to 53 (Turn on at 10V or greater) Effi ciency % 94 - 97.5 90 - 97 Output Voltage Tolerance % ±4 Switching Frequency kHz 400 Line Regulation % 0.3 0.4 Load Regulation % 0.9 1.2 External Load Capacitance uF 0 - 1500 Output Ripple and Noise mVpp 50 20 Overcurrent Protection A 15 27 Remote On / Off - See options table Remote Sense - (+) Sense, compensating up to 5% of output voltage Power Good - Optional (Full Feature Version) Sync & Sequencing - Optional (Full Feature Version) Operating Temperature °C -40 to 125 (see thermal data on website) Storage Temperature °C -55 to 125 Safety Agency Certifi cations - UL/EN/IEC 60950-1, CE Mark Weight g / oz 15g / 0.53 oz Size (LxWxH) mm / in. 33 x 22.9 x 12.1 / 1.3 x 0.9 x 0.48 Warranty yrs 3 years Note: (1) Consult the Full Datasheet for additional product information. 1-800-526-2324 • www.us.tdk-lambda.com/lp/ 228 Disclaimer: us.tdk-lambda.com/lp/legal.htm i6A4W Series Model Selector Input Input Output Output Positive Logic Negative Logic Full Model Voltage (V) Current (A) Voltage (V) On/Off On/Off Feature I6A4W010A033V-001-R 9 to 53 10 3.3 to 40 - Yes - i6A4W020A033V-000-R 9 to 53 20 3.3 to 15 Yes - - i6A4W020A033V-001-R 9 to 53 20 3.3 to 15 - Yes - i6A4W020A033V-002-R 9 to 53 20 3.3 to 15 Yes - Yes i6A4W020A033V-003-R 9 to 53 20 3.3 to 15 - Yes Yes Preferred Note: Output voltage cannot exceed input voltage (see graph below). Mechanical Specifi cation Output Voltage vs Input Voltage Operating Range i6A4W10A Output Voltage vs Input Voltage Operating Range i6A4W20A Evaluation Board Evaluation kit part # Contents i6A20A-001-EVK-S1PX Populated with one piece of I6A4W020A033V-001-R I6A20A-001-EVK-S1CC Populated with one piece of I6A4W020A033V-001-R to set for constant current operation User manual available at I6A4W technical fi les in our website, contact technical support for more details on constant current version. Pinout PIN Function PIN Function Recommended Hole Pattern (top view) 1 VIN (+) 7 SENSE (+) 2 ON / OFF 8 VOUT (+) 3 VIN (-) 32 Sync (Option) 4 VOUT (-) 33 MS (Option) 5 PWR GOOD (Option) 34 SEQ (Option) 6 TRIM For Additional Information, please visit us.tdk-lambda.com/lp/products/i6a-series.htm 1-800-526-2324 • www.us.tdk-lambda.com/lp/ 229 Revision p12: Jun 2018