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

Manufacturer: ASIA ELECTRONICS
Model: PM Series
Features
- Built-in input filter
- Input-output isolation (AC2000V)
- High efficiency: 91–93%
- Wide input voltage range
- High reliability
- Adjustable output voltage ±10%
- Built-in undervoltage protection (input)
- Built-in overvoltage protection (input)
- Built-in overvoltage protection (output)
- Built-in overtemperature protection +110°C to +120°C
- Parallel operation possible up to 3 units
- Operating ambient temperature −40°C to +85°C
- RoHS2 compliant
No aluminum or tantalum electrolytic capacitors used
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 |
◆Model
| Model | Input Voltage (Range V.DC) | Output Voltage (V.DC) | Output Current (A) | Efficiency (typ. %) | ||
|---|---|---|---|---|---|---|
| 20% Load | 50% Load | 80% Load | ||||
| PMS 12–12S 20A | 12 (8–18) | 12 | 20 | 87 | 91 | 91 |
| PMS 12–13.8S 17.4A | 13.8 | 17.4 | 87 | 91 | 91 | |
| PMS 12–15S 16A | 15 | 16 | 87 | 91 | 91 | |
| PMS 12–24S 10A | 24 | 10 | 88 | 92 | 92 | |
| PMS 12–48S 8.6A | 48 | 8.6 | 89 | 93 | 93 | |
| PMS 24–12S 20.5A | 24 (16–36) | 12 | 20.5 | 88 | 93 | 93 |
| PMS 24–13.8S 21.7A | 13.8 | 21.7 | 88 | 93 | 93 | |
| PMS 24–15S 20A | 15 | 20 | 88 | 93 | 93 | |
| PMS 24–24S 12.5A | 24 | 12.5 | 89 | 93 | 93 | |
| PMS 24–48S 6.25A | 48 | 6.25 | 89 | 93 | 93 | |
| PMS 48–12S 20A | 48 (36–76) | 12 | 20 | 88 | 93 | 93 |
| PMS 48–13.8S 21.7A | 13.8 | 21.7 | 88 | 93 | 93 | |
| PMS 48–15S 20A | 15 | 20 | 88 | 93 | 93 | |
| PMS 48–24S 12.5A | 24 | 12.5 | 89 | 93 | 93 | |
| PMS 48–48S 6.25A | 48 | 6.25 | 89 | 93 | 93 | |
| PMS 100–12S 20A | 100 (64–144) | 12 | 20 | 88 | 93 | 93 |
| PMS 100–13.8S 21.7A | 13.8 | 21.7 | 88 | 93 | 93 | |
| PMS 100–15S 20A | 15 | 20 | 88 | 93 | 93 | |
| PMS 100–24S 12.5A | 24 | 12.5 | 89 | 93 | 93 | |
| PMS 100–48S 6.25A | 48 | 6.25 | 89 | 93 | 93 | |
| PMS 140–12S 20A | 140 (90–200) | 12 | 20 | 88 | 93 | 93 |
| PMS 140–13.8S 21.7A | 13.8 | 21.7 | 88 | 93 | 93 | |
| PMS 140–15S 20A | 15 | 20 | 88 | 93 | 93 | |
| PMS 140–24S 12.5A | 24 | 12.5 | 89 | 93 | 93 | |
| PMS 140–48S 6.25A | 48 | 6.25 | 89 | 93 | 93 | |
◆Input Voltage Ripple & Noise
| Input Voltage (V.DC) | Ripple (mVp-p max.) | Noise (mVp-p max.) |
|---|---|---|
| 12 (9–18) | 300 | 250 |
| 24 (16–36) | 400 | 350 |
| 48 (36–76) | 500 | 400 |
| 100 (64–144) | 600 | 500 |
| 140 (90–200) | 800 | 550 |
- * Ripple and noise measured with 1.5m twisted pair input line
* May vary depending on operating environment
◆Output Voltage Ripple & Noise
| Output Voltage (V.DC) | Ripple (mVp-p max.) | Noise (mVp-p max.) |
|---|---|---|
| 12 | 40 | 160 |
| 13.8 | 40 | 170 |
| 15 | 40 | 175 |
| 24 | 60 | 220 |
| 28 | 60 | 240 |
| 48 | 80 | 340 |












