ASIA ELECTRONICS IND.CO.
ASIA ELECTRONICS UBA700 SERIES DC-DC CONVERTERS
Manufacturer: ASIA ELECTRONICS
Model: UBA700 Series
Features
- Sine Wave Output
- Always-On Power Supply Inverter
- Automatically switches to bypass (AC100V) output when DC input is abnormal (see Table 2)
- High Efficiency: 89–90% (typical)
- Input-Output Isolation (AC 2000V)
- Built-in Low Input Voltage Protection Circuit
- Built-in Input Overvoltage Protection Circuit
- Built-in Inrush Current Protection Circuit
- Built-in Overheat Protection Circuit
- Switches to bypass power supply when internal heat-generating section reaches +110°C to +130°C
- Momentary interruption time of approximately 20 ms when switching from inverter to bypass
- Built-in Input Fuse
- Built-in Input/Output Noise Filter
- Compliant with RoHS2 Directive
- Uses Long-Life Electrolytic Capacitors (105°C, 10,000-hour rated)
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 |
◆External Dimensions (±1.0 mm)
| Terminal Assignment | |
|---|---|
| ① | +Vin |
| ② | 0 Vin |
| ③ | FG (Frame Ground) |
| ④ | AC100Vin (L1) |
| ⑤ | AC100Vin (N1) |
| ⑥ | AC100Vout (L2) |
| ⑦ | AC100Vout (N2) |
| ⑧ | DC Input Status Indicator |
| ⑨ | Inverter Output Indicator |
| ⑩ | Bypass Circuit Fuse |
◆Model Type
| Model Type | Input Voltage (Voltage Range) (V.DC) | Output Voltage (V.AC) | Output Current (A rms) | Output Frequency (Hz) | Efficiency (typ.) (%) | |
|---|---|---|---|---|---|---|
| 20% Load | 80% Load | |||||
| UBA700-48-100S7A50 | 48V (36–76) | 100 | 7 | 50 | 86 | 89 |
| UBA700-48-100S7A60 | 48V (36–76) | 100 | 7 | 60 | 86 | 89 |
| UBA700-96-100S7A50 | 96V (70–140) | 100 | 7 | 50 | 86 | 90 |
| UBA700-96-100S7A60 | 96V (70–140) | 100 | 7 | 60 | 86 | 90 |
