AD24 Plug in Power Supply
Fetures ◊ Universal input 85 ~265VAC ◊ Output 12/24VDC 0~2A, 24Watts ◊ EI-57 standard package ◊ High efficiency, less power dissipation meet EISA 2007 requirement ◊ Over current ,short circuit & over voltage protection ◊ Design compliant with UL, cUL, GS, CE standard
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Fetures
◊ Universal input 85 ~265VAC
◊ Output 12/24VDC 0~2A, 24Watts
◊ EI-57 standard package
◊ High efficiency, less power dissipation meet EISA 2007 requirement
◊ Over current ,short circuit & over voltage protection
◊ Design compliant with UL, cUL, GS, CE standard
Description
The AD24-12 & AD24-24 module are a series of isolated, Fly-back digital power supply that operate from a input range 85 to 265VAC (47~63Hz). These digital power supplies are available in a range of output voltage 12V and 24V, continuous 24Watts output capability. They are packaged in an EI-57 standard UL 94V-0 plastic enclosure; plug is 3 prong US type. Standard features include over current and short circuit protection. The efficiency is 80% minimum under 25% to 100% load condition. Typical applications include IT peripheral, home security data access system and other computing and communications equipment.
Applications
◊ Home security data access system
◊ Distributed power architectures
◊ Data networking equipment
◊ Telecommunication
◊ Computers and peripherals
Part Number Selection
| Output Voltage | Input Range |
Max. O/P Current |
Typical Efficiency | Model |
| 12V | 85-265VAC | 2.0A | 84% | AD24-12 |
| 24V | 85-265VAC | 1.0A | 84% | AD24-24 |
Absolute Maximum Ratings*1
| Parameter | Symbol | Min. | Max. | Unit |
| Continuous Input Voltage | Vin | 85 | 265 | V |
| Operating Temperature | Ta | -20 | 50 | °C |
| Storage Temperature | Ts | -40 | 85 | °C |
| Operating Humidity*2 | 20% | 80% | RH | |
| Storage Humidity | 10% | 90% | RH |
Note:
*1. Use beyond the maximum rating may cause a reliability degradation of the power supply or may permanently damage the unit.
*2. Above humidity range to be defined under Non-condensing status
Input Specifications
| Parameter | Symbol | Min. | Typ. | Max. | Unit |
| Input Voltage | Vin | 85 | 120/230 | 265 | VAC |
| Frequency | f | 47 | 50/60 | 63 | Hz |
| No Load Input Power | Pi(N.L.) | 0.5 | Watts | ||
| Inrush Current*3 | 30/60 | A | |||
| Input Current | 1.0 | A |
Note:
*3. The inrush current is measured under normal input voltage (115/230VAC), cold start, 25oC & full load condition
Output Specifications
| Parameter | Model | Symbol | Min. | Typ. | Max. | Unit |
| Output Voltage Set Point |
PIP12VDCe PIP24VDCe |
Vout |
11.94 23/88 |
12 24 |
12.18 24.36 |
V |
| Load Regulation*5 | All | % | 1% | |||
| Line Regulation*6 | All | % | 1% | |||
| Regulation Over Temperature(-20°C to 65°C) | All | TBD | mV | |||
| Output Ripple & Noise | All | 150 | mVp-p | |||
| Output Current Range |
PIP12VDCe PIP24VDCe |
Iout | 0 |
2.0 1.0 |
A | |
| Turn On Time | All | TBD | ms | |||
| Overshoot at Turn On | All | 5 | % |
Note:
*4 All specifications are defined under nominal input (120/230VAC), full load at 25 oC unless otherwise specified.
*5 Load regulation: by change the output load from 10% to 100% of rated load carries out the measurement.
*6 Line regulation: by change the line input from specified range, carries out the output measurement. With fixed rated load.
*7 The ripple & noise is measured using 0-20MHz band width oscilloscope & terminated output a 10u/35V tantalum or MLCC X5R capacitor.
| Parameter | Model | Symbol | Min. | Typ. | Max. | Unit |
| Transient Response*8 | ||||||
| ΔV 50% to 100% of Load | All | TBD | mV | |||
| Recovering Time | Tr | TBD | μS | |||
| ΔV 100% to 50% of Load | TBD | mV | ||||
| Recovering Time | Tr | TBD | μS | |||
*8 di/dt = 0.5A/uS, Ta = 25 oC. with 10u/35V tantalum or MLCC X5R capacitor on output.
General Specifications
| Parameter | Model | Symbol | Min. | Typ. | Max. | Unit |
| Efficiency*9 | All | η | 85 | % | ||
| Switching Frequency | fosc | 65 | KHz | |||
| Over Voltage Protection | OVP | 110 | 130 | 150 | % | |
| Over Current Protection | OCP | 110 | 145 | 180 | % | |
| Short Circuit Protection*10 | SCP | Automatic Recovery | ||||
| Mean Time Between Failure*11 | MTBF | 50,000 | Hrs | |||
| Indicator | Red LED Shows Output is Powered | |||||
*9. The efficiency η is average efficiency value where η=(η1+η2+η3+η4)/4, η1~η4 means the efficiency value under 25%,50%,75% & 100% load & normal input condition.
*10. When short circuit or over current is activated, the power supply will go into Hiccup mode against short circuit or overload conditions and will recover once fault condition removed.
*11. T ambient at 25oC, rated load condition
Mechanical Specifications
◊ EI-57 standard package
◊ Mounting, plug into outlet and is secured with electrical plate mounting screw
◊ Plug 3 prong US
◊ Connection, 3 screw terminals (Positive, Negative, Earth ground)
◊ Weight : 180g typical
