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VRB2424D-20W Datasheet(PDF) 2 Page - MORNSUN Science& Technology Ltd. |
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VRB2424D-20W Datasheet(HTML) 2 Page - MORNSUN Science& Technology Ltd. |
2 / 2 page MORNSUN reserves the copyright Specifications subject to change without notice VRB_D-20W&VRA_D-20W A/3-2008 Page 1 of 2 OUTPUT SPECIFICATIONS OUTPUT VOLTAGE TRIM Item Test conditions Min Typ Max Units Output voltage accuracy Refer to recommended circuit ±1 ±3 Load regulation From 10% to 100% load ±0.5 ±1 Line regulation Input voltage from low to high ±0.2 ±0.5 Cross regulation ±5 % Ripple and noise Tested under 20MHz brand 50 75 150 mV Transient recovery time 200 300 us +V0 Trim 0V Trim up/d own Trim 0V Trim up Trim 0V Trim down +Vo Trim Transient peak deviation 25%load change ±2 ±5 % RECOMMENDED CIRCUIT Over load protection* Input voltage range 120 130 150 % Output Short Circuit Hiccup, automatics recovery 3.3V 3.63 4.29 5V 5.5 6.5 12V 13.2 15.6 15V 16.5 19.5 Over voltage protection 24 26.4 31.2 VDC Temperature drift (Vout) 0.02 %/℃ Trim ±10%Vo VDC DC DC Vin GND Vout 0V Cin Cout L For single output DC DC Vin GND Vout -Vo Cin Cout L -0V Cout For d ual o utput Fig.1 In order to abtain better performance for the DC/DC models. it ’s recommended that use input and output filters as Fig.1 shown.. COMMON SPECIFICATIONS DERATING & EFFICIENCY CURVE Item Test conditions Min Typ Max Units Operating Temperature -40 71 Storage Temperature -55 105 Storage Humidity 5 95 ℃ Isolation voltage Test for 1 minute and 1 mA max 1500 VDC Isolation resistance 500 M Ω Isolation Capacitance 100KHz / 1V 1000 pF Switching frequency Nominal, full load 300 KHz MTBF 100 K hours Case Material Aluminous alloy Weight 39 G Note: 1. All specifications are measured at TA=25 °C, humidity<75%, nominal input voltage and rated output load unless otherwise specified. 2. The CTRL control pin voltage is referenced to GND. 3. Typical Eff value at nominal input voltage and full load. 4. Capacitor MAX load tested at nominal input voltage and constant resistive load. 5. Refer to the diagram of Output Voltage trim up/down for trim applications. 6. The products cannot be used in parallel and in plug and play. OUTLINE DIMENSIONS & FOOTPRINT DETAILS F OO T PRIN T D ETAILS P in S ing le 1 4 3 6 5 2 Vin Trim C t rl + Vo 0V G ND 3 2 1 4 5 6 50.80 45.72 35.00 2.54 (2.000) (0.100) (1.380) ( 1.800) 2.00 (0.080) 4 5 6 3 2 1 RE CO MM E N DE D FO OT PR I NT To p v iew ,g r id :2 . 5 4m m (0 .1 in ch), d ia me te r :1 . 50 m m( 0 .0 5 9in ch) N o te: U n it :m m (i n ch) P in se ct ion : 1 .0 0 m m( 0. 0 39 in ch) P in se ct io n t o l er a nce s : 0 .05 m m( 0 . 0 02 in c h) G e ne r al to le ra n c es: 0 . 2 5mm ( 0.0 1 0 in ch) + + + + F ir st Angle Pr oj ection 7 7 7 N o p in D ual V in G ND C trl Tr im - Vo C om + Vo (B ottom View) Temperature derating curve Operati ng Temp( C) o Curve of Efficiency VS output load VRA2412D-20W EfficiencyVS Output load 0 10 20 30 40 50 60 70 80 90 100 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% Out put %Io EFF% Curve of Efficiency VS input Voltage VRA2412D-20W Efficiency VS Input voltage 80 82 84 85 87 89 91 92 94 18 20 22 24 26 28 30 32 34 36 I npu t vol ta ge(V) EFF% |
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