ADT-090A24AA F-A

**TECHNICAL DATASHEET** 

## **AC-DC Adapter** 24 V 90 W / ADT-090A24AA F-A 

## **ADT- 090A** 

## **Highlights & Features** 

- Efficiency DoE Level VI 

- Compact size design 

- No load power consumption < 0.15 W 

- Universal AC input / Full range 

- Fully enclosed plastic case 

- Protection: short circuit / over voltage / overload/ over temperature 

**Standards** 

CB Certified for worldwide use 

**Model Number:** ADT-090A24AA F-A **Dimensions (L × W x H):** 126.0 x 51.0 x 30.0 mm **Unit Weight:** 180±10 grams (6.35±0.35 ounces) 

## **General Description** 

ADT-090A24AA F-A is an extremely compact 24 Vdc 90 W adapter. With an efficiency up to 91.5%, the product meets Efficiency DoE Level VI and no-load power consumption < 0.15 W @ 115 Vac and 230 Vac input. It conforms to major international safety standards according to IEC/EN/UL 62368-1 and IEC/EN 60950-1 approval for ITE including BSMI, PSE and KC. In addition, it also meet the EMI approvals to EN/BS EN 55032 Class B. 

## **Model Information** 

|**Model Information**|||||
|---|---|---|---|---|
|**ModelNumber**|**Input Voltage Range**|**Efficiency Level**|**Rated Output Voltage **|**Rated Output Current**|
|ADT-090A24AA F-A|90-264 Vac|Level VI|24 V|3.75 A|



## **Model Numbering** 

|**ADT -**|**090**|**A**|**24**|**A**|**A**|**F -**|**A**|
|---|---|---|---|---|---|---|---|
|Delta AC-DC<br>Adapter|Max wattage|Family<br>Code|Output Voltage<br>(Single Output)<br>24 for 24 V|(Single Output)<br>Package type:<br>A: Desktop|Input connector<br>type:<br>A: C6 connector|A: C6 connector<br>Plug, molding type<br>F: Barrel<br>O.D: 5.5 mm,<br>I.D: 2.5 mm,<br>Length: 11.0 mm|Standard|



All parameters are specified at 25°C ambient unless otherwise indicated. **www.DeltaPSU.com (October 2025, Rev.04)** 

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**TECHNICAL DATASHEET** 

## **AC-DC Adapter** 24 V 90 W / ADT-090A24AA F-A 

## **Specifications** 

Input Ratings / Characteristics 

|Nominal Input Voltage|Nominal Input Voltage||||100-240 Vac|100-240 Vac|||
|---|---|---|---|---|---|---|---|---|
|Input Voltage Range|e||||90-264 Vac||||
|Nominal Input Frequency|||||50-60 Hz||||
|Input FrequencyRange|||||47-63 Hz||||
|||||115 Vac|1.3 A||||
|Input Current (max)||||230 Vac|0.6 A||||
|Efficiency at 100% Load||||115 Vac<br>230 Vac|90% typ.<br>91.5% typ.||||
|Average Efficiency (min)|||||89% @ 115 Vac & 230 Vac|89% @ 115 Vac & 230 Vac|||
|No Load Power Consumption(max)|||||0.15 W @ 115 Vac & 230 Vac||||
|Power Factor(min)|||||0.9 @ 230 Vac, Rated output current||||
|Inrush Current|||||No damage|e|||
|Leakage Current (max)|||||0.1mA @ 240Vac/50Hz||||
||||||||||
|||100|||||||
|||95|||||||
|||90|||||||
||Efficiency (%)|65<br>70<br>75<br>80<br>85|||||115Vac Efficiency<br>230Vac Efficiency||
|||60|||||||
|||55|||||||
|||50|||||||
|||25||50||75|100||
|||||Output Load (%)|Output Load (%)||||



**Fig 1. ADT-090A24AA F-A efficiency versus output load.** 

All parameters are specified at 25°C ambient unless otherwise indicated. **www.DeltaPSU.com (October 2025, Rev.04)** 

2 

**TECHNICAL DATASHEET** 

## **AC-DC Adapter** 24 V 90 W / ADT-090A24AA F-A 

## Output Ratings / Characteristics 

|Output Ratings / Characteristics|Output Ratings / Characteristics||
|---|---|---|
|Nominal Output Voltage||24 V|
|Output Current||0-3.75 A|
|Output Power||90 W|
|Line Regulation||±0.5%|
|Load Regulation||±4.5%|
|PARD* (20 MHz)|0 to 40°C|240 mVpk-pk|
||-10 to 0°C|480 mVpk-pk|
|Start-up Time (typ.)||1000 ms @ 115 Vac<br>500 ms@230 Vac|
|Rise Time(max)||40 ms @ nominal input, full load|
|Hold-upTime (typ)||30 ms @ nominal input, full load|
|Transient Responses||± 5% @ 0.1 A -50% & 50% -100% load change,<br>Slew rate 2.5 A/us,100 to 10 KHz,50% DutyCycle|
|Capacitive Load(max)||470 uF|



*PARD is measured with an AC coupling mode, and in parallel with 0.1 uF ceramic capacitor & 470 uF electrolytic capacitor. 

## Mechanical 

|Mechanical|Mechanical||
|---|---|---|
|Case||PC|
|Dimensions(L × W × H)||126 x 51 x 30.0 mm(4.96 x 2.0 x 1.18 inch)|
|Unit Weight||180±10grams (6.35±0.35 ounces)|
|Indicator||N/A|
|CoolingSystem||Convection|
|Terminal|Input|Socket C6 type|
||Output|Barrel(O.D: 5.5 mm, I.D: 2.5 mm, length: 11 mm)|
||Length|1,800 mm|



## Environment 

|Environment|||
|---|---|---|
|Surrounding Temperature|Operating|-10°C to +60°C|
||Storage|-40°C to +85°C|
|Power De-Rating||>40°C de-rated by2.5%/°C|
|OperatingHumidity||5%-95% RH (non-condensing)|
|OperatingAltitude||5,000 meters(16,400 feet)|
|Ball Impact Test||Test height 130 cm, 1 sample 1 time, Steel Ball 500g, Concrete<br>floor|
|Drop Test||Test height 100 cm, 6 face for each sample, concrete floor Function<br>testpass after droptest|
|Shock Test(Non-Operating)||50 G, 11 ms, 1 shock for each direction|
|Vibration  (Non-Operating)||5-500 Hz, 2.09 Grms, 20 mins, one cycle for each three axis|



All parameters are specified at 25°C ambient unless otherwise indicated. **www.DeltaPSU.com (October 2025, Rev.04)** 

3 

**TECHNICAL DATASHEET** 

## **AC-DC Adapter** 24 V 90 W / ADT-090A24AA F-A 

|Protections||
|---|---|
|Overvoltage (max)|33 V, Latch|
|Overload / Overcurrent(max)|120-180% , Latch|
|Over Temperature|Latch Mode|
|Short Circuit|Latch Mode|
|Pollution Degree|2|
|Protection Against Shock|Class I|



|Reliability Data||
|---|---|
|MTBF|> 300,000 hrs. per Telcordia SR-332<br>at Input: 115 Vac,Output: 100% load,Ta: 25°C|
|Expected CapLife Time|5years(50% load @ 25°C)|



All parameters are specified at 25°C ambient unless otherwise indicated. **www.DeltaPSU.com (October 2025, Rev.04)** 

4 

**TECHNICAL DATASHEET** 

## **AC-DC Adapter** 24 V 90 W / ADT-090A24AA F-A 

## Safety Standards / Directives 

|EMC|EMC||
|---|---|---|
|EMC / Emissions||CISPR/EN/BS EN 55032  Class B<br>BSMI CNS13438<br>FCC Part 15<br>KN32|
|Harmonic Current Emissions|IEC61000-3-2|Class D|
|Immunityto||EN/BS EN 55024;KN35|
|Radiated and conducted Emissions||Conducted Emissions: EN/BS EN 55032 Class B<br>Radiated Emissions: EN/BS EN 55032 Class B|
|Voltage Flicker|IEC61000-3-3||
|Electrostatic Discharge|IEC61000-4-2|Level 4 Criteria A1)<br>Air Discharge: 15 kV<br>Contact Discharge:8 kV|
|Radiated Field|IEC61000-4-3|Level 2 Criteria A1)<br>80 MHz-1 GHz, 3 V/m , 80% AM (1 KHz)|
|Electrical Fast Transient / Burst|IEC61000-4-4|Level 2 Criteria A1): 2 kV|
|Surge|IEC61000-4-5|Level 3 Criteria A1)<br>Common Mode4): 2 kV<br>Differential Mode5): 1 kV|
|Conducted|IEC61000-4-6|Level 2 Criteria A1)<br>150 kHz-80 MHz, 3 Vrms, Sine Wave, 80%,<br>AM modulation|
|Power Frequency Magnetic Fields|IEC61000-4-8|Level 2 Criteria A1)<br>Magnetic field strength 1 A/m|
|Voltage Dips|IEC61000-4-11|Voltage dips<br>70% reduction/0.5 periods (Criterion A1))<br>40% reduction/5 periods (Criterion B2))<br>Voltage short interruptions<br>5% reduction/250 periods (Criterion B2))|



- 1) Criteria A: Normal performance within the specification limits 

- 2) Criteria B: Output out of regulation, or shuts down during test. Automatically restore to normal operation after test. 

- 3) Criteria C: PSU shuts down during test, but need operator to reset. 

- 4) Asymmetrical: Common mode (Line to earth) 

- 5) Symmetrical: Differential mode (Line to line) 

All parameters are specified at 25°C ambient unless otherwise indicated. **www.DeltaPSU.com (October 2025, Rev.04)** 

5 

**TECHNICAL DATASHEET** 

## **AC-DC Adapter** 24 V 90 W / ADT-090A24AA F-A 

## **Dimensions** 

**L x W x H:** 126.0 x 51.0 x 30.0 mm (4.96 x 2.0 x 1.18 inch) 

## **Engineering Data** 

Output Load De-rating V.S. Surrounding Air Temperature 

**==> picture [369 x 250] intentionally omitted <==**

**----- Start of picture text -----**<br>
110<br>100<br>90<br>80<br>70<br>60<br>50<br>40<br>30<br>20<br>10<br>0<br>-10 0 10 20 30 40 50 60 70<br>Fig. 2  De-rating for All Mounting Orientation<br> > 40°C de-rate power by 2.5% / °C<br>Output Load (%)<br>**----- End of picture text -----**<br>


All parameters are specified at 25°C ambient unless otherwise indicated. **www.DeltaPSU.com (October 2025, Rev.04)** 

6 

**TECHNICAL DATASHEET** 

## **AC-DC Adapter** 24 V 90 W / ADT-090A24AA F-A 

## **Attention** 

Delta provides all information in the datasheets on an “AS IS” basis and does not offer any kind of warranty through the information for using the product. In the event of any discrepancy between the information in the catalog and datasheets, the datasheets shall prevail (please refer to www.DeltaPSU.com for the latest datasheets information). Delta shall have no liability of indemnification for any claim or action arising from any error for the provided information in the datasheets. Customer shall take its responsibility for evaluation of using the product before placing an order with Delta. 

Delta reserves the right to make changes to the information described in the datasheets without notice. 

## **Manufacturer and Authorized Representatives Information** 

## Manufacturer 

## Thailand 

Delta Electronics (Thailand) PCL. 909 Pattana 1 Rd., Muang, Samutprakarn, 10280 Thailand 

## Taiwan 

Delta Electronics, Inc. 

3 Tungyuan Road, Chungli Industrial Zone, Taoyuan County 32063, Taiwan 

## Authorized Representatives 

## The Netherlands 

Delta Greentech (Netherlands) B.V. Zandsteen 15, 2132 MZ Hoofddorp, The Netherlands 

## United Kingdom 

Delta Electronics Europe Limited 1 Redwood Court, Peel Park Campus, East Kilbride, Glasgow, G74 5PF, United Kingdom 

All parameters are specified at 25°C ambient unless otherwise indicated. **www.DeltaPSU.com (October 2025, Rev.04)** 

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