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RDDW20G
25.45
Details
Meanwell RDDW20G Series is 20W DC-DC reliable railway Converter. The product stands out with module type and 2"x1" package. At the same time, the main features are as following: international standard pins, high efficiency reaching up to 90%, wide working temperature range-40~+85℃, 1.5KVDC(F/G models)/3KVDC(H models) I/P-O/P isolation voltage, compliance with EN50155 railway standard, continuous-mode short circuit protection, etc. What's more, the models account for different input voltage 9~36V, 18~75V and 43~160V 4:1 wide input range, and various output voltage, 3.3V/5V/12V/15V for single output, and ±5V/±12V/±15V for dual outputs. Considering its longevity, high reliability, and excellent performane, Meanwell RDDW20G Series is suitable for railway, trams, buses, and also can be used in the harsh environment with high vibration, high dust, extremely low or high temperature, etc.
Meanwell RDDW20G Series Encoding
| RDDW | Series Name S: Single Mode, D: Dual Mode |
| 20 | Rated Wattage |
| G | Input Voltage ((F: 9-36Vdc, G: 18-75Vdc H: 43-160Vdc) |
| 12 | Output Voltage (3.3/5/12/15Vdc, ±5/±12/15Vdc) |
Meanwell RDDW20G Series Model Specifications
| ORDER NO. | INPUT | OUTPUT | EFFICIENCY (TYP.) | CAPACITOR LOAD (MAX) | |||
| INPUT VOLTAGE (RANGE) | INPUT CURRENT | OUTPUT VOLTAGE | OUTPUT CURRENT | ||||
| NO LOAD | FULL LOAD | ||||||
| RDDW20G-05 | Normal 48V (18~75V) | 25mA | 468mA | ±5V | ±0~2000mA | 89% | 2000μF |
| RDDW20G-12 | 25mA | 470mA | ±12V | ±0~835mA | 88% | 1000μF | |
| RDDW20G-15 | 25mA | 470mA | ±15V | ±0~666mA | 88% | 800μF | |
| INPUT | VOLTAGE RANGE | F: 9~36Vdc, G: 18~75Vdc, H: 43~160Vdc | |||||
| SURGE VOLTAGE (100ms max.) | 24Vin models : 50Vdc, 48Vin models : 100Vdc, 110Vin models : 200Vdc | ||||||
| FILTER | Pi type | ||||||
| PROTECTION | Fuse recommended. 24Vin models: 4A delay time Type, 48Vin models: 2A delay time Type, 110Vin models: 0.8A delay time Type | ||||||
| OUTPUT | VOLTAGE ACCURACY | ±1.5% | |||||
| RATED POWER | 20W | ||||||
| RIPPLE & NOISE | 60mVp-p | ||||||
| LINE REGULATION | ±0.2% | ||||||
| LOAD REGULATION | Single output models:±0.5%, Dual output models:±1% | ||||||
| CROSS REGULATION | ±5% at 25%~100% load | ||||||
| SWITCHING FREQUENCY | F/G: Single output 350KHz, Dual output 400KHz H: 250KHz | ||||||
| PROTECTION | SHORT CIRCUIT | Protection type : Continuous, automatic recovery | |||||
| OVERLOAD | 110 ~ 160% rated output power | ||||||
| Protection type : Recovers automatically after fault condition is removed | |||||||
| OVER VOLTAGE | Protection type : Clamp by diode | ||||||
| UNDER VOLTAGE LOCKOUT | Start-up voltage 24Vin: 8.8Vdc, 48Vin: 17Vdc, 110Vin: 40Vdc | ||||||
| Shutdown voltage 24Vin: 8Vdc, 48Vin: 16Vdc, 110Vin: 38Vdc 5Vin: 4.4Vdc, 12Vin: 8.8Vdc, 24Vin: 17Vdc, 48Vin |
|||||||
| FUNCTION | REMOTE CONTROL | Power ON: >5.5~75Vdc or open circuit (F/G models) ; >3.5~75Vdc or open circuit (H models) Power OFF: <1.2Vdc or short (F/G/H models) |
|||||
| ENVIRONMENT | COOLING | Free-air convection | |||||
| WORKING TEMP. | -40~+85℃ (Refer to "Derating Curve") | ||||||
| CASE TEMPERATURE | +105℃ max. | ||||||
| WORKING HUMIDITY | 20% ~ 90% RH non-condensing | ||||||
| STORAGE TEMP., HUMIDITY | -55 ~ +125℃, 10 ~ 95% RH non-condensing | ||||||
| TEMP. COEFFICIENT | 0.03% /℃ (0~71℃) | ||||||
| SOLDERING TEMPERATURE | 1.5mm from case of 1 ~ 3sec./260℃max. | ||||||
| VIBRATION | 10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes | ||||||
| SAFETY&EMC | SAFETY STANDARDS | EAC TP TC 020/2011(EAC TP TC 004 for 48Vin/110Vin type only) approved | |||||
| WITHSTAND VOLTAGE | F/G: I/P-O/P 1.5KVDC, H: I/P-O/P 3KVDC | ||||||
| ISOLATION RESISTANCE | I/P-O/P:100M Ohms / 500VDC / 25℃/ 70% RH | ||||||
| ISOLATION CAPACITANCE (Typ.) | 1000pF | ||||||
| EMC EMISSION | Parameter | Standard | Test Level | ||||
| Conducted | BS EN/EN55032 | Class B with external components | |||||
| Radiated | BS EN/EN55032 | Class B with external components | |||||
| EMC IMMUNITY | Parameter | Standard | Test Level | ||||
| ESD | BS EN/EN61000-4-2 | Level 2,±8KV air,±4KV contact | |||||
| Radiated Susceptibility | BS EN/EN61000-4-3 | Level 2, 3V/m | |||||
| EFT/Burest | BS EN/EN61000-4-4 | Level 1, 0.5KV | |||||
| Surge | BS EN/EN61000-4-5 | Level 1, 0.5KV Line-Line | |||||
| Conducted | BS EN/EN61000-4-6 | Level 2, 3V (e.m.f.) | |||||
| RAILWAY STANDARD | EN50155 / IEC60571 including EN61373 for shock & vibration, EN50121-3-2 for EMC | ||||||
| OTHERS | MTBF | F/G: 720Khrs ; H: 880Khrs MIL-HDBK-217F(25℃) | |||||
| DIMENSION | 50.8*25.4*10.2mm (2*1*0.4 inch) | ||||||
| CASE MATERIAL | Black coated copper with Non-Conductive Base | ||||||
| PACKING | 35g ; 12pcs/per tube, 300pcs/25 tube/per carton | ||||||
Meanwell RDDW20G Series Features
l DIP 2"x1" package with standard pinout
l 4:1 wide input range
l Full encapsulated
l Remote ON/OFF control
l No minimum load required
l Compliance with EN501 55 railway standard
l 1.5KVDC,3KVDC I/O isolation by models
l Wide operating temperature range -40~+85℃
l 3 years warranty
l Protections: Short circuit (Continuous)/Overload/Over voltage/Input under voltage
Meanwell RDDW20G Series Applications
l Analyzer
l Instrument
l Wireless network
l Industrial control facility
l Telecom/Datacom system
l Bus, tram, metro or railway system
l Highly vibrating, heavily dusty, exteremelylow or high temperature harsh environment
Meanwell RDDW20G Series Mechanical Diagram
More Information
| Brand | Meanwell |
|---|
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