Test Report : SKA20A‐05 20W DC‐DC Regulated Single Output Converter DESIGN VERIFY TEST Output Function Test Input Function Test Protection Function Test Control Function Test SAFETY TEST Safety Test RELIABILITY TEST Environment Test SKA20A series DESIGN VERIFY TEST OUTPUT FUNCTION TEST NO 1 TEST ITEM VOLTAGE ACCURACY SPECICATION -2 %~+2 % (Max) TEST CONDITION Ta:25℃ RIPPLE & NOISE 50 mVp-p (Max) Ta:25℃ LINE REGULATION -0.2 %~+0.2 % (Max) LOAD REGULATION P 35 mV P -0.02 % ~ +0.02 % P -0.12 % ~ +0.06 % P I/P:9VDC~18VDC O/P:FULL LOAD Ta:25℃ 4 -0.48 % I/P:12VDC O/P:FULL LOAD 3 VERDICT I/P:12VDC O/P:100% LOAD 2 RESULT -0.5 %~+0.5 % (Max) I/P:12VDC O/P:MIN~FULL LOAD Ta:25℃ INPUT FUNCTION TEST NO 1 TEST ITEM INPUT VOLTAGE RANGE SPECICATION 9VDC~18VDC TEST CONDITION EFFICIENCY 87.5 % (Typ) DC CURRENT 7.9 ~ 18VDC P 87.8 % P I/P:12VDC O/P:FULL LOAD Ta:25℃ 3 VERDICT I/P:TESTING O/P:FULL LOAD Ta:25℃ 2 RESULT 1910 mA / FULL LOAD (Max) I/P:12VDC 80 mA / NO LOAD (Max) O/P:NO / FULL LOAD Ta:25℃ 1889 mA / FULL LOAD 62 mA / NO LOAD P PROTECTION FUNCTION TEST NO 1 2 TEST ITEM OVER LOAD PROTECTION INPUT OVER VOLTAGE SPECICATION 110 % ~ 180 % TEST CONDITION RESULT I/P:12VDC 160 % O/P:TESTING Ta:25℃ HICCUP MODE I/P:TESTING 22.6 VDC O/P:MINI. LOAD Ta:25℃ SHUTDOWN OUTPUT SHORT EVERY OUTPUT I/P:18VDC NO DAMAGE 1 HOUR NO DAMAGE O/P:FULL LOAD Ta:25℃ HICCUP MODE >20VDC~23VDC (Typ) PROTECTION AUTO-RECOVER VOLTAGE VERDICT P P AUTO-RECOVER 3 SHORT PROTECTION AUTO-RECOVER P Model: SKA20A-05 Test Report 2 / 3 SKA20A series CONTROL FUNCTION TEST NO 1 TEST ITEM REMOTE CONTROL SPECICATION TEST CONDITION Power on : RESULT I/P:12VDC Power on : O/P:FULL LOAD Ta:25℃ Power off : -10%~ +10% (Typ) I/P:12VDC Trim DOWN -9.47 % Trim ~ +Vout Trim DOWN O/P:FULL LOAD Ta:25℃ Trim UP +11.51 % R.C > 2.5Vdc or open Power off : R.C>1.1 Vdc or Open R.C < 0.8Vdc or short (-Vin) 2 TRIM CONTROL Trim ~ -Vout Trim UP VERDICT P R.C<1.1 Vdc or Short P Using 20k ohm VR SAFETY TEST SAFETY TEST NO 1 TEST ITEM WITHSTAND VOLTAGE 2 ISOLATION RESISTANCE SPECICATION I/P-O/P:1500 VDC/min I/P-O/P:500VDC>100MΩ TEST CONDITION RESULT I/P-O/P:1500 VDC/min Ta:25℃ I/P-O/P : 0.02 mA I/P-O/P:500 VDC Ta:25℃ I/P-O/P >100 MΩ NO DAMAGE NO DAMAGE VERDICT P P RELIABILITY TEST ENVIRONMENT TEST NO 1 TEST ITEM TEMPERATURE RISE TEST SPECICATION TEST CONDITION RESULT VERDICT 1. ROOM AMBIENT BURN-IN:5 HRS I/P:12VDC O/P:FULL LOAD Ta=25℃ 2. HIGH AMBIENT BURN-IN:15 HRS I/P:12VDC O/P:FULL LOAD Ta=75℃ P 2 LOW TEMPERATURE TURN ON NO Position P/N 1 2 1 CASE CENTER 59.1℃ 105.2℃ TURN ON AFTER 4 HOURS TEST I/P:12VDC O/P: 100﹪LOAD Ta= -40℃ DATE SAMPLE 2011.11.15 RD SAMPLE 1122R TEST RESULT PASS TEST:OK P TESTER APPROVAL PETER VINCENT Model: SKA20A-05 Test Report 3 / 3