ASIA ELECTRONICS IND.CO.
ASIA ELECTRONICS MA250 SERIES DC-DC CONVERTERS
Manufacturer: ASIA ELECTRONICS
Model: MA250 Series
Features
- High Efficiency 85〜87% typical
- Vertical, Horizontal Mount
- 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℃
- Output Frequency Temp. Coefficient 0.01％/℃ max.
- Input-Output Isolation (AC2000V)
- Operating Ambient Temperature −25℃〜＋71℃
- Built-in Input and Output Noise Filter
- 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 (±0.5mm)
| ① | +Remote Control (+RC) |
| ② | −Remote Control (−RC) |
| ③ | No Connection (NC) |
| ④ | +Vdc in |
| ⑤ | 0 Vdc in |
| ⑥ | AC out |
| ⑦ | AC out |
| ⑧ | Frame Ground (FG) |
| ⑨ | ON/OFF Switch |
| ⑩ | Operation Indicator |
| ⑪ | Over Thermal Indicator |
◆ Block Diagram
◆ Selection Guide
| Model Number | Input Volt. (Range) (V. DC) | Output Voltage (V. AC) | Output Current (A rms) | Output Frequency (Hz) | Efficiency (typ.) (%) | |
|---|---|---|---|---|---|---|
| 20% Load | 80% Load | |||||
| MA250-12-100S 2.5A50 | 12 (9~18) | 100 | 2.5 | 50 | 84 | 85 |
| MA250-12-100S 2.5A60 | 100 | 2.5 | 60 | 84 | 85 | |
| MA250-12-100S2.5A400 | 100 | 2.5 | 400 | 84 | 85 | |
| MA250-12-200S1.25A50 | 200 | 1.25 | 50 | 84 | 85 | |
| MA250-12-200S1.25A60 | 200 | 1.25 | 60 | 84 | 85 | |
| MA250-12-220S 1.1A50 | 220 | 1.1 | 50 | 84 | 85 | |
| MA250-12-220S 1.1A60 | 220 | 1.1 | 60 | 84 | 85 | |
| MA250-24-100S 2.5A50 | 24 (18~36) | 100 | 2.5 | 50 | 84 | 87 |
| MA250-24-100S 2.5A60 | 100 | 2.5 | 60 | 84 | 87 | |
| MA250-24-100S 2.5A400 | 100 | 2.5 | 400 | 84 | 87 | |
| MA250-24-200S 1.25A50 | 200 | 1.25 | 50 | 84 | 87 | |
| MA250-24-200S 1.25A60 | 200 | 1.25 | 60 | 84 | 87 | |
| MA250-24-220S 1.1A50 | 220 | 1.1 | 50 | 84 | 87 | |
| MA250-24-220S 1.1A60 | 220 | 1.1 | 60 | 84 | 87 | |
| PA100-48-100S 1A 50 | 48 (36~76) | 100 | 1 | 50 | 82 | 86 |
| PA100-48-100S 1A 60 | 100 | 1 | 60 | 82 | 86 | |
| PA100-48-100S 1A400 | 100 | 1 | 400 | 80 | 84 | |
| PA100-48-200S 0.5A 50 | 200 | 0.5 | 50 | 81 | 86 | |
| PA100-48-200S 0.5A 60 | 200 | 0.5 | 60 | 81 | 86 | |
| PA100-48-220S0.45A 50 | 220 | 0.45 | 50 | 81 | 86 | |
| PA100-48-220S0.45A 60 | 220 | 0.45 | 60 | 81 | 86 | |
| MA250-96-100S 2.5A50 | 96 (72~144) | 100 | 2.5 | 50 | 84 | 87 |
| MA250-96-100S 2.5A60 | 100 | 2.5 | 60 | 84 | 87 | |
| MA250-96-100S2.5A400 | 100 | 2.5 | 400 | 84 | 87 | |
| MA250-96-200S1.25A50 | 200 | 1.25 | 50 | 84 | 87 | |
| MA250-96-200S1.25A60 | 200 | 1.25 | 60 | 84 | 87 | |
| MA250-96-220S 1.1A50 | 220 | 1.1 | 50 | 84 | 87 | |
| MA250-96-220S 1.1A60 | 220 | 1.1 | 60 | 84 | 87 | |
