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

Manufacturer: ASIA ELECTRONICS
Model: VD Series
Features
- High Output 500W
- High Efficiency 89%~93%
- Input-Output Isolation (AC2000V)
- Possible Parallel Operation up to 4 converters
- Remote ON/OFF Control
- Input Low Voltage Protection
- Input Over Voltage Protection
- Thermal Protection +110℃~+120℃
- Cooling by mounting on Chassis or using Heat Sink
- Conformity to RoHS2 Directive
- No built-in aluminum and tantalum electrolytic capacitor
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 | + Vdc in | ⑥ | + Vdc out |
② | 0 Vdc in | ⑦ | 0 Vdc out |
③ | + RC | ⑧ | NC |
④ | − RC | ⑨ | NC |
⑤ | FG | ⑩ | V. ADJ |
⑪ | Operate Indicator |
◆Selection Guide
Model Number | Input Voltage (V. DC) | Output Voltage (V. DC) | Output Current (A) | Efficiency (Typ.) (%) | |
---|---|---|---|---|---|
20% Load | 80% Load | ||||
VD12-12S 25A | 12 (9~18) | 12 | 25 | 84 | 91 |
VD12-15S 20A | 15 | 20 | 84 | 91 | |
VD12-24S 12.5A | 24 | 12.5 | 85 | 91 | |
VD12-48S 6.25A | 48 | 6.25 | 85 | 91 | |
VD12-100S 3A | 100 | 3 | 86 | 91 | |
VD12-200S 1.5A | 200 | 1.5 | 86 | 91 | |
VD24-12S 25A | 24 (18~36) | 12 | 25 | 85 | 91 |
VD24-15S 20A | 15 | 20 | 85 | 91 | |
VD24-24S 12.5A | 24 | 12.5 | 86 | 91 | |
VD24-48S 6.25A | 48 | 6.25 | 86 | 91 | |
VD24-100S 3A | 100 | 3 | 87 | 91 | |
VD24-200S 1.5A | 200 | 1.5 | 87 | 91 | |
VD48-12S 25A | 48 (36~75) | 12 | 25 | 85 | 91 |
VD48-15S 20A | 15 | 20 | 85 | 91 | |
VD48-24S 12.5A | 24 | 12.5 | 86 | 91 | |
VD48-48S 6.25A | 48 | 6.25 | 86 | 91 | |
VD48-100S 3A | 100 | 3 | 87 | 91 | |
VD48-200S 1.5A | 200 | 1.5 | 87 | 91 | |
VD96-12S 25A | 96 (70~144) | 12 | 25 | 85 | 91 |
VD96-15S 20A | 15 | 20 | 85 | 91 | |
VD96-24S 12.5A | 24 | 12.5 | 86 | 91 | |
VD96-48S 6.25A | 48 | 6.25 | 86 | 91 | |
VD96-100S 3A | 100 | 3 | 87 | 91 | |
VD96-200S 1.5A | 200 | 1.5 | 87 | 91 | |
VD200-12S 25A | 200 (150~300) | 12 | 25 | 85 | 91 |
VD200-15S 20A | 15 | 20 | 85 | 91 | |
VD200-24S 12.5A | 24 | 12.5 | 86 | 91 | |
VD200-48S 6.25A | 48 | 6.25 | 86 | 91 | |
VD200-100S 3A | 100 | 3 | 87 | 91 | |
VD200-200S 1.5A | 200 | 1.5 | 87 | 91 | |
VD300-12S 25A | 300 (225~450) | 12 | 25 | 85 | 91 |
VD300-15S 20A | 15 | 20 | 85 | 91 | |
VD300-24S 12.5A | 24 | 12.5 | 86 | 91 | |
VD300-48S 6.25A | 48 | 6.25 | 86 | 91 | |
VD300-100S 3A | 100 | 3 | 87 | 91 | |
VD300-200S 1.5A | 200 | 1.5 | 87 | 91 | |
VD400-12S 25A | 400 (300~600) | 12 | 25 | 85 | 91 |
VD400-15S 20A | 15 | 20 | 85 | 91 | |
VD400-24S 12.5A | 24 | 12.5 | 86 | 91 | |
VD400-48S 6.25A | 48 | 6.25 | 86 | 91 | |
VD400-100S 3A | 100 | 3 | 87 | 91 | |
VD400-200S 1.5A | 200 | 1.5 | 87 | 91 |