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

Manufacturer: ASIA ELECTRONICS
Model: BTU Series
Features
- Low Profile 12.8mm
- Built-in Input Filter
- Input-Output Isolation
- High Efficiency 88〜91%
- Wide Input Voltage Range
- High Reliability
- 6 Sided Metal Shielding
- Remote ON/OFF Control
- Adjustable Output Voltage ±5%
- Input Low Voltage Protection
- Input Over Voltage Protection
- Output Over Voltage Protection 115〜140% Operation
- Thermal Protection +110℃〜+120℃
- Operating Ambient Temperature −40℃〜+85℃
- Max. Case Temperature +105℃
- Conformity to RoHS2 Directive
- Not 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 |
◆Pin Outs & Dimensions (±0.5mm)
① | +Vdc in |
② | 0 Vdc in |
③ | ON/OFF Control |
④ | +Vdc out |
⑤ | 0 Vdc out |
⑥ | No Connection |
◆Holes on PCB (Top View)
◆Option Heat Sink
◆ Block Diagram
◆ Selection Guide
Model Number | Input Volt. (Range) (V. DC) | Output Voltage (V. DC) | Output Current (A) | Efficiency (Typical)(%) | |
---|---|---|---|---|---|
20% Load | 80% Load | ||||
BTU 12–3.3S 24A | 12 (8~18) | 3.3 | 24 | 88 | 88 |
BTU 12–5S 20A | 5 | 20 | 87 | 89 | |
BTU 12–6S16.7A | 6 | 16.7 | 87 | 89 | |
BTU 12–12S 8.4A | 12 | 8.4 | 87 | 89 | |
BTU 12–15S 6.7A | 15 | 6.7 | 86 | 89 | |
BTU 12–24S 4.2A | 24 | 4.2 | 85 | 89 | |
BTU 24– 3.3S 24A | 24 (16~36) | 3.3 | 24 | 88 | 88 |
BTU 24– 5S 20A | 5 | 20 | 88 | 90 | |
BTU 24– 6S16.7A | 6 | 16.7 | 88 | 90 | |
BTU 24– 12S 8.4A | 12 | 8.4 | 86 | 90 | |
BTU 24– 15S 6.7A | 15 | 6.7 | 86 | 90 | |
BTU 24– 24S 4.2A | 24 | 4.2 | 86 | 90 | |
BTU 48− 3.3S 24A | 48 (32~72) | 3.3 | 24 | 87 | 88 |
BTU 48− 5S 20A | 5 | 20 | 87 | 90 | |
BTU 48− 6S16.7A | 6 | 16.7 | 87 | 90 | |
BTU 48− 12S 8.4A | 12 | 8.4 | 87 | 91 | |
BTU 48− 15S 6.7A | 15 | 6.7 | 86 | 91 | |
BTU 48− 24S 4.2A | 24 | 4.2 | 86 | 91 | |
BTU100– 3.3S 24A | 100 (64~144) | 3.3 | 24 | 85 | 88 |
BTU100– 5S 20A | 5 | 20 | 86 | 90 | |
BTU100– 6S16.7A | 6 | 16.7 | 86 | 90 | |
BTU100– 12S 8.4A | 12 | 8.4 | 86 | 91 | |
BTU100– 15S 6.7A | 15 | 6.7 | 86 | 91 | |
BTU100– 24S 4.2A | 24 | 4.2 | 86 | 89 |