ASIA ELECTRONICS IND.CO.
ASIA ELECTRONICS QD SERIES DC-DC CONVERTERS
Manufacturer: ASIA ELECTRONICS
Model: QD Series
Features
- Low Profile 16mm
- Built-in Input Filter
- Wide Input Voltage Range
- Input-Output Isolation
- Adjustable Output Volt. ±5%
- Input Low Voltage Protection
- Input Over Voltage Protection
- Output Over Voltage Protection 115〜140% Operation
- High Efficiency 86〜90%
- Thermal Protection +110℃〜+120℃
- Operating Ambient Temperature −40℃〜+85℃
- Conformity to RoHS2 Directive
Not built-in aluminum andtantalum electrolytic capacitor
Specifications
◆ General Characteristics
| Input Voltage, Range | DC12, 24, 48, 100V (See Table 1) |
| 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. (0–100% Load) |
| Reflected Input Ripple, Noise | (3% Vin)Vp-p max. |
| Output Ripple | 40mVp-p max. |
| Output Noise | 100mVp-p max. |
| Short Circuit Protection | Built-in, Auto-restart |
| Over Voltage Protection | 115–140% Output Voltage |
| Temperature Coefficient | 0.02%/°C max. |
| Operating Ambient Temp. | −40°C to +85°C |
| Storage Temperature | −40°C to +115°C |
| Isolation Voltage | AC1500V one minute (Input–Output–Case) |
| Isolation Impedance | 100MΩ min. (at DC1000V) |
| Weight | 150g max. |
| Humidity | 20–95% RH |
| Shock | 490m/s² (11msec 3 directions) |
| Vibration | 10–55Hz 98m/s² (30 minutes 3 directions) |
| Surface Structure | 6 Sided Aluminum Case |
| MTBF | 500,000H (Ta: 25°C, 80% Load, Nominal Vin) |
| Warranty | 5 years |
◆ Terminal Outs & Dimensions (±0.5mm)
QDU Type
| Terminal Outs | |
|---|---|
| ① | +Vdc in |
| ② | 0 Vdc in |
| ③ | +Vdc out |
| ④ | Vout Adjustment |
| ⑤ | 0 Vdc out |
QDS Type
| Terminal Outs | |
|---|---|
| ① | +Vdc in |
| ② | 0 Vdc in |
| ③ | +Vdc out |
| ④ | Vout Adjustment |
| ⑤ | 0 Vdc out |
◆ Selection Guide
| Model Number | Input Volt. (Range) (V. DC) | Output Voltage (V. DC) | Output Current (A) | Efficiency (Typical)(%) | |
|---|---|---|---|---|---|
| 20% Load | 80% Load | ||||
| QDU(QDS) 12→3.3S 12A | 12 (8~18) | 3.3 | 12 | 81 | 86 |
| QDU(QDS) 12→5S 10A | 12 | 5 | 10 | 82 | 88 |
| QDU(QDS) 12→6S 8.4A | 12 | 6 | 8.4 | 82 | 88 |
| QDU(QDS) 12→12S 4.2A | 12 | 12 | 4.2 | 83 | 88 |
| QDU(QDS) 12→15S 3.3A | 12 | 15 | 3.3 | 83 | 88 |
| QDU(QDS) 12→24S 2.1A | 12 | 24 | 2.1 | 83 | 88 |
| QDU(QDS) 24→3.3S 12A | 24 (16~36) | 3.3 | 12 | 81 | 86 |
| QDU(QDS) 24→5S 10A | 24 | 5 | 10 | 85 | 88 |
| QDU(QDS) 24→6S 8.4A | 24 | 6 | 8.4 | 85 | 89 |
| QDU(QDS) 24→12S 4.2A | 24 | 12 | 4.2 | 86 | 89 |
| QDU(QDS) 24→15S 3.3A | 24 | 15 | 3.3 | 86 | 89 |
| QDU(QDS) 24→24S 2.1A | 24 | 24 | 2.1 | 86 | 89 |
| QDU(QDS) 48→3.3S 12A | 48 (32~72) | 3.3 | 12 | 81 | 86 |
| QDU(QDS) 48→5S 10A | 48 | 5 | 10 | 85 | 89 |
| QDU(QDS) 48→6S 8.4A | 48 | 6 | 8.4 | 85 | 90 |
| QDU(QDS) 48→12S 4.2A | 48 | 12 | 4.2 | 85 | 90 |
| QDU(QDS) 48→15S 3.3A | 48 | 15 | 3.3 | 85 | 90 |
| QDU(QDS) 48→24S 2.1A | 48 | 24 | 2.1 | 85 | 90 |
| QDU(QDS) 100→3.3S 12A | 100 (64~144) | 3.3 | 12 | 82 | 87 |
| QDU(QDS) 100→5S 10A | 100 | 5 | 10 | 84 | 89 |
| QDU(QDS) 100→6S 8.4A | 100 | 6 | 8.4 | 85 | 89 |
| QDU(QDS) 100→12S 4.2A | 100 | 12 | 4.2 | 85 | 90 |
| QDU(QDS) 100→15S 3.3A | 100 | 15 | 3.3 | 85 | 90 |
| QDU(QDS) 100→24S 2.1A | 100 | 24 | 2.1 | 85 | 89 |
◆ Block Diagram
