ASIA ELECTRONICS IND.CO.
ASIA ELECTRONICS UCA700 SERIES DC-DC CONVERTERS

Manufacturer: ASIA ELECTRONICS
Model: UCA700 Series
Features
- Sine Wave Output
- Emergency Power Supply Inverter
- Automatically switches to inverter power supply when commercial input is interrupted (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 bypass to inverter
- 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 |
◆ Block Diagram
◆ Selection Guide
Model | Input Voltage (Voltage Range) (V.DC) | Output Voltage (V.AC) | Output Current (A rms) | Output Frequency (Hz) | Efficiency (typ.) (%) | |
---|---|---|---|---|---|---|
At 20% Load | At 80% Load | |||||
UCA700-48-100S7A50 | 48V (36–76) | 100 | 7 | 50 | 86 | 89 |
UCA700-48-100S7A60 | 48V (36–76) | 100 | 7 | 60 | 86 | 89 |
UCA700-96-100S7A50 | 96V (70–140) | 100 | 7 | 50 | 86 | 90 |
UCA700-96-100S7A60 | 96V (70–140) | 100 | 7 | 60 | 86 | 90 |