ASIA ELECTRONICS IND.CO.
ASIA ELECTRONICS RA520 SERIES DC-DC CONVERTERS
Manufacturer: ASIA ELECTRONICS
Model: RA520 Series
Features
- High Efficiency 86〜88% typ.
- Wide Input Voltage Range
- Input-Output Isolation (AC2000V)
- High Reliability
- Output Frequency Temp. Coefficient 0.01%/℃ max.
- Remote ON/OFF Control
- Input Low Voltage Protection
- Input Over Voltage Protection
- Input Rush Current Protection
(Input DC12V type is not built-in.) - Thermal Protection＋90℃〜＋110℃
- Operating Ambient Temperature −25℃〜＋70℃
- Built-in Input Fuse
- Built-in Input and Output Noise Filter
- Built-in Frequency Changing Switch (50Hz or 60Hz)
- Conformity to RoHS2 Directive
Specifications
◆ General Characteristics
| Input Voltage, Range | DC12, 24, 48, 100, 140V (See Table 1) (at Ta: 25℃, Full Load, Nominal Vin) |
| Output Voltage, Current | See Table 1 |
| Output Voltage Range | ±5% Adjustable |
| Efficiency | See Table 1 |
| Line Regulation | ±0.3% max. (at Vin Range) |
| Load Regulation | ±0.5% max. |
| ±1% max. | (3.3, 5V Output only) (0～100% Load) |
| Reflected Input Ripple, Noise | (5% Vin) Vp-p max. |
| Output Ripple | 40mVp-p max. |
| Output Noise | 0.5% typ. (output ±100mV) p-p max. |
| Short Circuit Protection | Built-in, Auto-restart (See Fig. 2) |
| Over Voltage Protection | 115%~140% Output Voltage |
| Temperature Coefficient | 0.02%/°C max. |
| Operating Ambient Temp. | −40°C to +85°C (See Fig. 1) |
| Max. Case Temperature | +105°C |
| Storage Temperature | −55°C to +125°C |
| Isolation Voltage | AC2000V one minute |
| (Input－Output－Case) | |
| Isolation Impedance | 100MΩ min. (at DC1000V) (Input－Output－Case) |
| Weight | 35g max. |
| Humidity | 20～95% RH |
| Shock | 490m/s² (11msec 3 directions) |
| Vibration | 10～55Hz 98m/s² (30 minutes 3 directions) |
| Surface Structure | Aluminum Case |
| MTBF | 400,000H (Ta: 25℃, 80% Load, Nominal Vin) |
| Warranty | 5 years |
◆ Terminal Outs & Dimensions (±1.0mm)
| ① | +Vdc in |
| ② | 0 Vdc in |
| ③ | +Remote Control (+RC) |
| ④ | −Remote Control (−RC) |
| ⑤ | No Connection (NC) |
| ⑥ | AC out |
| ⑦ | AC out |
| ⑧ | Frame Ground (FG) |
| ⑨ | Operation Indicator |
| ⑩ | ON/OFF Control Switch |
| ⑪ | Frequency Changing Switch |
◆ Block Diagram
◆ Selection Guide
| Model Number | Input Volt. (Range) (V. DC) | Output Voltage (V. AC) | Output Current (A rms) | Output Frequency (Hz) | Efficiency (Typical)(%) | |
|---|---|---|---|---|---|---|
| 20% Load | 80% Load | |||||
| RA520-12-100S 4A | 12 (9~18) | 100 | 4 | 50/60 | 83 | 86 |
| RA520-12-200S 2A | 200 | 2 | 50/60 | 82 | 86 | |
| RA520-12-220S1.8A | 220 | 1.8 | 50/60 | 82 | 86 | |
| RA520-24-100S 5A | 24 (18~36) | 100 | 5 | 50/60 | 83 | 88 |
| RA520-24-200S2.5A | 200 | 2.5 | 50/60 | 82 | 88 | |
| RA520-24-220S2.2A | 220 | 2.2 | 50/60 | 82 | 88 | |
| RA520-48-100S 5A | 48 (36~76) | 100 | 5 | 50/60 | 83 | 88 |
| RA520-48-200S2.5A | 200 | 2.5 | 50/60 | 82 | 88 | |
| RA520-48-220S2.2A | 220 | 2.2 | 50/60 | 82 | 88 | |
| RA520-96-100S 5A | 96 (72~144) | 100 | 5 | 50/60 | 83 | 88 |
| RA520-96-200S2.5A | 200 | 2.5 | 50/60 | 82 | 88 | |
| RA520-96-220S2.2A | 220 | 2.2 | 50/60 | 82 | 88 | |
