Catalog excerpts
![VRB_LD-15WR3 / 2:1 / 15 watt / dc dc converter - 1](https://img.directindustry.com/pdf/repository_di/157704/vrb-ld-15wr3-2-1-15-watt-dc-dc-converter-650186_1m.jpg)
DC/DC Converter VRB_LD-15WR3 Series 15W,Ultra wide input, isolated & regulated dual / single output DC/DC converter Wide range of input voltage (2:1) High efficiency up to 90% No-load power consumption as low as 0.12W Isolation voltage :1500VDC Input under-voltage protection, output short circuit, over-current, over–voltage protection Operating temperature range: -40℃ to +85℃ Meet CISPR22/EN55022 CLASS A Six-sided metal shielding package Reverse voltage protection available with A2S(Chassis mounting) or A4S(DIN-Rail mounting) IEC60950, UL60950, EN60950 approval VRB_LD-15WR3 series are applied to wide voltage range input situation, such as data transmission equipment, battery-operated device, battery power supply device, tele-comunication device, distributed power system, remote control system, industrial robot system etc. Selection Guide Input Voltage (VDC) Certification Output Current (mA)(Max./Min.) Nominal (Range) Efficiency (%,Min./ Typ.) @ Full Load Notes:①Series with suffix “H” are heat sink mounting; series with suffix “A2S” are chassis mounting,with suffix “A4S” are DIN-Rail mounting, for example URB2405LD-20WHR3A2S is of chassis mounting package with heat sink,URB2405LD-20WR3A4S is of DIN-Rail mounting without heat sink; If the application has a higher requirement for heat dissipation, we recommend modules with heat sink; ②Absolute maximum rating without damage on the converter, but it isn't recommended; ③Efficiency is measured In nominal input voltage and rated output load;A2S (wiring) and A4S (rail) Model due to input reverse polarity protection, minimum efficiency greater than Min.-2 is qualified; Input Specifications Item Operating Conditions Input Current (full load / no-load) Reflected Ripple Current Input impulse Voltage (1sec. max.) Starting Voltage Under Voltage Shutdown Starting Time Nominal input & constant resistance load Input Filter Module switched on * Module switched off Input current when switched off Pi filter Ctrl pin suspended or connected to TTL high level (3.5-12VDC) Ctrl pin connected to GND or low level (0-1.2VDC) -- Note: *The voltage of Ctrl pin is relative to input pin GND. MORNSUN Guangzhou Science & Technology Co., Ltd. rese
Open the catalog to page 1![VRB_LD-15WR3 / 2:1 / 15 watt / dc dc converter - 2](https://img.directindustry.com/pdf/repository_di/157704/vrb-ld-15wr3-2-1-15-watt-dc-dc-converter-650186_2m.jpg)
DC/DC Converter VRB_LD-15WR3 Series Output Specifications Item Operating Conditions Output Voltage Accuracy Line Regulation Full load, the input voltage is from low voltage to high Load Regulation Nominal input Transient Recovery Time 25% load step change Transient Response Deviation Temperature Drift Coefficient Full load Ripple & Noise* Trim Over-voltage Protection Input voltage range Over-current Protection Short circuit Protection Hiccup, Continuous, self-recovery Note: *Ripple and noise are measured by “parallel cable” method, please see DC-DC Converter Application Notes for specific...
Open the catalog to page 2![VRB_LD-15WR3 / 2:1 / 15 watt / dc dc converter - 3](https://img.directindustry.com/pdf/repository_di/157704/vrb-ld-15wr3-2-1-15-watt-dc-dc-converter-650186_3m.jpg)
DC/DC Converter MORNSUN GUANGZHOU SCIENCE & TECHNOLOGY CO.,LTD. MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
Open the catalog to page 3![VRB_LD-15WR3 / 2:1 / 15 watt / dc dc converter - 4](https://img.directindustry.com/pdf/repository_di/157704/vrb-ld-15wr3-2-1-15-watt-dc-dc-converter-650186_4m.jpg)
DC/DC Converter VRB_LD-15WR3 Series Parameter description V in Vin:24V Choose according to actual input current S20K30 330µF/50V Notes: Part ① in the Fig. 3 is used for EMS test and part ② for EMI filtering; selected based on needs. 3. Application of Trim and the calculation of Trim resistance +Vot Trim down Applied circuits of Trim (Part in broken line is the interior of models) Calculation formula of Trim resistance: up: R T = RT is Trim resistance a is a self-defined parameter, with no real meaning. 4. It is not allowed to connect modules output in parallel to enlarge the power 5. For...
Open the catalog to page 4![VRB_LD-15WR3 / 2:1 / 15 watt / dc dc converter - 5](https://img.directindustry.com/pdf/repository_di/157704/vrb-ld-15wr3-2-1-15-watt-dc-dc-converter-650186_5m.jpg)
DC/DC Converter Horizontal Package (without heat sink) Dimensions and Recommended Layout THIRD ANGLE PROJECTION (C) C__ Unit :mm[inch] Unit :mm[inch] If use heatsinks,make sure there is enough space for a special size in ther above graph MORNSUN GUANGZHOU SCIENCE & TECHNOLOGY CO.,LTD. MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpreta
Open the catalog to page 5![VRB_LD-15WR3 / 2:1 / 15 watt / dc dc converter - 6](https://img.directindustry.com/pdf/repository_di/157704/vrb-ld-15wr3-2-1-15-watt-dc-dc-converter-650186_6m.jpg)
DC/DC Converter VRB_LD-15WR3A2S(without heat sink) Dimensions THIRD ANGLE PROJECTION-"',-- - Fronfr View MORNSUN GUANGZHOU SCIENCE & TECHNOLOGY CO.,LTD. MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
Open the catalog to page 6![VRB_LD-15WR3 / 2:1 / 15 watt / dc dc converter - 7](https://img.directindustry.com/pdf/repository_di/157704/vrb-ld-15wr3-2-1-15-watt-dc-dc-converter-650186_7m.jpg)
DC/DC Converter VRB_LD-15WR3A4S(without heat sink) Dimensions THIRD ANGLE PROJECTION MORNSUN GUANGZHOU SCIENCE & TECHNOLOGY CO.,LTD. MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
Open the catalog to page 7![VRB_LD-15WR3 / 2:1 / 15 watt / dc dc converter - 8](https://img.directindustry.com/pdf/repository_di/157704/vrb-ld-15wr3-2-1-15-watt-dc-dc-converter-650186_8m.jpg)
DC/DC Converter VRB_LD-15WR3 Series Notes: 1. Packing information please refer to Product Packing Information which can be downloaded from www.mornsun-power.com.The Packing bag number of Horizontal package :58200035(without heat sink), 58200051(with heat sink, A2S/ A4S package number: 58220022; 2. The max. capacitive load should be tested within the input voltage range and under full load conditions; 3. Unless otherwise specified, parameters in this datasheet were measured under the conditions of Ta=25℃, humidity<75%RH with nominal input voltage and rated output load; 4. All index testing...
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