ABC400-1012G

ABC400 Series is a compact and efficient series of AC-DC open frame power supplies suited for telecom, datacom and many other applications. 

The family meets the international information technology safety standards with the CE-Mark for the European Low Voltage Directive (LVD). 

Their high efficiency allows a very minimal power loss in end equipment, resulting in higher reliability, ease of thermal management and regulatory approvals for an environmentally friendly end product. 

- High Efficiency up to 91% at 230 VAC 

- Universal AC Input Voltage Range: 90-264 VAC 

- Active Power Factor Correction 

- Over temperature, output overvoltage, overcurrent and short circuit protection 

- EMC Standard according to EN 55032 

- Safety approved to the latest edition of the following standards: CSA/UL60950-1, EN/IEC 62368-1 

- High Power Density Design: 16 W/in[3] 

- Compact Size: 3.0 (W) x 1.5 (H) x 5.0 (L) inches 

- RoHS Compliant 

- CE Marked 

- Telecom 

- Datacom 

- Industrial Applications 

ABC400 Series 

2 

## **1. ORDERING INFORMATION** 

|**MODEL**|**INPUT VOLTAGE RANGE**|**OUTPUT VOLTAGE**|**NOM OUTPUT CURRENT**|**# OF OUTPUTS**|**OUTPUT POWER**|
|---|---|---|---|---|---|
|ABC400-1012G|90 – 264 VAC|12 VDC|23 A|1|400 W|
|ABC400-1024G|90 – 264 VAC|24 VDC|13 A|1|400 W|
|ABC400-1048G|90 – 264 VAC|48 VDC|6.5 A|1|400 W|



## **2. OVERVIEW** 

The ABC400-10XXG is a high efficiency and high power density AC to DC power supply. It incorporates interleaved transition mode PFC converter and well proven two-FET forward converter, providing increased system reliability and high efficiency with around 1m/s system air cooling, ABC400-1012G can delivery up to 360W continuous output power and 408W for ABC400-1024G and ABC400-1048G. 

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Vo<br>**----- End of picture text -----**<br>


Figure 1: ABC400-10XXG block diagram 

## **3. ABSOLUTE MAXIMUM RATINGS** 

Stresses in excess of the absolute maximum ratings may cause performance degradation, adversely affect long-term reliability, and cause permanent damage to the supply. 

|**PARAMETER**|**CONDITIONS / DESCRIPTION**|**MIN**|**NOM**|**MAX**|**UNIT**|
|---|---|---|---|---|---|
|Vi maxc<br>Max Continuous Input|Continuous<br>Transient, 60 ms|||264<br>300|VAC<br>VAC|



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ABC400 Series 

3 

## **4. ENVIRONMENTAL AND MECHANICAL** 

|**PARAMETER**|**PARAMETER**|**CONDITIONS / DESCRIPTION**|**MIN**|**NOM**|**MAX**|**UNIT**|
|---|---|---|---|---|---|---|
|TA|Ambient temperature|Vi minto Vi max, Io nom, ISB nom|-10||+50|°C|
|TAext|Extended temp range|Derated output|+50||+70|°C|
|TS|Storage temperature|Non-operational|-40||+85|°C|
|||Width||76.2||mm|
||Dimensions|Height||38.1||mm|
|||Depth||127.0||mm|
|M|Weight|||0.5||kg|



## **5. INPUT SPECIFICATIONS** 

General Condition: TA = -10… 50 °C unless otherwise noted. Active fan air cooling required: 200 LFM (1 m/s) 

|**PARAMETER**|**PARAMETER**|**CONDITIONS / DESCRIPTION**|**MIN**|**NOM**|**MAX**|**UNIT**|
|---|---|---|---|---|---|---|
|Vi nom|Nominal input voltage||100||240|VAC|
|Vi|Input voltage ranges|Normal operating (Vi minto Vi max)|90||264|VAC|
|Ii max|Max input current||||6.5|Arms|
|Ii p|Inrush current limitation|Vi nom= 115 VAC, T = 25°C (see Figure 2)<br>Vi nom= 230 VAC, T = 25°C (see Figure 3)|||30<br>60|Ap|
|Fi|Input frequency||47|50/60|63|Hz|
|PF|Power factor|Vi nom= 264 VAC, > 0.5 Io nom|0.9|||W/VA|
|Vi on|Turn-on input voltage1|Ramping up|80||88|VAC|
|Vi off|Turn-off input voltage1|Ramping down|72||80|VAC|
|||Vi nom= 230 VAC,  0.5∙Io nom, Vo nom, TA= 25 °C||89|||
|η|Efficiency|Vi nom= 230 VAC,  1.0∙Io nom, Vo nom, TA= 25 °C||90||%|
|Thold|Hold-up Time|After last AC zero point, Vowithin regulation,<br>Vi= 115 VAC, Po nom|16|||ms|



## **5.1 INPUT FUSE** 

A slow-blow 8A input fuses (5 × 20 mm) in series with live line inside the power supply protects against severe defects. The fuse and a VDR form together with the input filter an effective protection against high input transients. 

## **5.2 INRUSH CURRENT** 

The AC-DC power supply exhibits an X-capacitance of only 1.47 μ F, resulting in a low and short peak current, when the supply is connected to the mains. The internal bulk capacitor will be charged through an power resistor which will limit the inrush current (see Figure 2 and 3). 

1 The power supply is provided with a minimum hysteresis of 8 V during turn-on and turn-off within the ranges. 

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BCD.00186_AE 

4 

## ABC400 Series 

Figure 2: Inrush current, Vin = 115Vac, 90° CH2: Vin (250V/div), CH3: Iin (10A/div) 

Figure 3: Inrush current, Vin = 230Vac, 90° CH2: Vin (250V/div), CH3: Iin (10A/div) 

## **5.3 INPUT UNDER-VOLTAGE** 

If the sinusoidal input voltage stays below the input under voltage lockout threshold Vi on, the supply will be inhibited. Once the input voltage returns within the normal operating range, the supply will return to normal operation again. 

## **5.4 POWER FACTOR CORRECTION** 

Power factor correction (PFC) is achieved by controlling the input current waveform synchronously with the input voltage. A specified PFC controller is implemented in the interleaved transition mode topology giving outstanding PFC results over a wide input voltage and load ranges. The input current will follow the shape of the input voltage. 

## **5.5 EFFICIENCY** 

The high efficiency (see Figure 4, 5 and 6) is achieved by using state-of-the-art silicon power devices in conjunction with interleaved transition mode PFC topology minimizing switching losses. Synchronous rectifiers on the output reduce the losses in the high current output path for ABC400-1012G schottky diode and ultra-fast diode are used as rectifiers for ABC400-1024G and ABC400-1048G due to the high output voltage level. 

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5 

## ABC400 Series 

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**----- Start of picture text -----**<br>
92.0 92.0<br>90.0 90.0<br>88.0 88.0<br>86.0 86.0<br>84.0 84.0<br>82.0 82.0<br>80.0 80.0<br>78.0 78.0<br>76.0 76.0<br>0 100 200 300 400 0 100 200 300 400<br>Po (W) Po (W)<br>Efficiency (%) Efficiency (%)<br>**----- End of picture text -----**<br>


Figure 4: Efficiency vs. Output Power at 230VAC, ABC400-1012G 

Figure 5: Efficiency vs. Output Power at 230VAC, ABC400-1024G 

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92.0<br>90.0<br>88.0<br>86.0<br>84.0<br>82.0<br>80.0<br>78.0<br>76.0<br>0 100 200 300 400<br>Po (W)<br>Efficiency (%)<br>**----- End of picture text -----**<br>


Figure 6: Efficiency vs. Output Power at 230VAC, ABC400-1048G 

## **6. OUTPUT SPECIFICATIONS** 

General Condition: TA = -10 … +50 °C unless otherwise noted. Active fan air cooling required: 200 LFM (1 m/s) 

|**PARAMETER**|**PARAMETER**|**CONDITIONS / DESCRIPTION**||**MIN**|**NOM**|**MAX**|**UNIT**|
|---|---|---|---|---|---|---|---|
|**Main Output VO**||||||||
||||ABC400-1012G||12.0||VDC|
|Vo|Nominal Output Voltage|0.5∙IO, Tamb= 25 °C|ABC400-1024G||24.0||VDC|
||||ABC400-1048G||48.0||VDC|
||||ABC400-1012G|-50||50|mV|
|Vo set|Output Set Point Accuracy|0.5∙IO, Tamb= 25 °C|ABC400-1024G<br>ABC400-1048G|-75<br>-150||75<br>150|mV<br>mV|
||||ABC400-1012G|0|276|360|W|
|Po nom|Nominal Output Power||ABC400-1024G|0|312|408|W|
||||ABC400-1048G|0|312|408|W|
||||ABC400-1012G|0|23|30|A|
|Io nom|Nominal Output Current||ABC400-1024G|0|13|17|A|
||||ABC400-1048G|0|6.5|8.5|A|
||||ABC400-1012G||60|120|mVpp|
|Vo p-p|Output Ripple Voltage|Vo nom, Io nom, 20 MHz BW|ABC400-1024G||80|240|mVpp|
||||ABC400-1048G||150|480|mVpp|
||||ABC400-1012G|-360|50|360|mV|
|dVo Load|Load Regulation|Vi= Vi nom, 0 - 100 % Io nom|ABC400-1024G<br>ABC400-1048G|-720<br>-1440|80<br>130|720<br>1440|mV<br>mV|
||||ABC400-1012G|-360|80|360|mV|
|dVo Line|Line Regulation|Vi=Vi min…Vi max|ABC400-1024G<br>ABC400-1048G|-720<br>-1440|120<br>150|720<br>1440|mV<br>mV|



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6 

## ABC400 Series 

|||ΔIo= 50% Io nom,|ABC400-1012G|-0.6|0.25|0.6|V|
|---|---|---|---|---|---|---|---|
|dVdyn|Dynamic Load Regulation|Io= 50 … 100% Io nom,<br>dIo/dt = 1A/μs, recovery within 5%<br>of Vo nom|s, recovery within 5%<br>ABC400-1024G<br>ABC400-1048G|-1.2<br>-2.4|0.45<br>0.7|1.2<br>2.4|V<br>V|
|trec|Recovery Time|||||2|ms|
|||Time required for output within||||||
|tdelay|Turn-On Delay|regulation after intial application||0|1|2|Sec|
|||of AC input @ 90 VAC||||||
||||ABC400-1012G|||20|ms|
|trise|Turn On Rise Time|VO= 10…90% VO nom|ABC400-1024G|||20|ms|
||||ABC400-1048G|||30|ms|
||||ABC400-1012G|||6600|μF|
|CLoad|Capacitive Loading||ABC400-1024G|||3740|μF|
||||ABC400-1048G|||1870|μF|



Figure 7: Turn-On AC Line 115 VAC, full load (200 ms/div) CH1: Vo (10 V/div) CH2: Vin (100 V/div) 

Figure 8: Turn-On AC Line 230 VAC, full load (200 ms/div) CH1: Vo (10 V/div) CH2: Vin (100 V/div) 

Figure 9: Turn-Off AC Line 115 VAC, full load (10 ms/div) CH1: Vo (10 V/div) CH2: Vin (100 V/div) 

Figure 10: AC drop out 16ms (100 ms/div) CH1: Vo (10 V/div) CH2: Vin (100 V/div) 

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7 

## ABC400 Series 

Figure 11: AC drop out 30ms (500 ms/div), Vo restart CH1: Vo (10 V/div) CH2: Vin (200 V/div) 

Figure 13: Load transient Vo (500 _μ_ s/div), 8.5A <-> 17A 2A/ _μ_ s CH1: Vo (200mV/div) CH2: Io (5.0 A/div) 

Figure 12: Vo rise time at 115VAC (20 ms/div) 

CH1: Vo (10 V/div) 

Figure 14: Load transient Vo  (1.0ms/div), 8.5A <-> 17A, 2A/ _μ_ s CH1: Vo (200 mV/div) CH2: Io (5 A/div) 

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BCD.00186_AE 

ABC400 Series 

8 

## **7. PROTECTION** 

|**PARAMETER**|**PARAMETER**|**CONDITIONS / DESCRIPTION**|**CONDITIONS / DESCRIPTION**|**MIN**|**NOM**|**MAX**|**UNIT**|
|---|---|---|---|---|---|---|---|
|F|Input Fuses (L only)|Not user accessible, time lag characteristic|||8.0||A|
||||ABC400-1012G|14.0||16.0|VDC|
|Vo ov|Vo ov<br>OV Threshold||ABC400-1024G|28.0||32.0|VDC|
||||ABC400-1048G|53||57|VDC|
||||ABC400-1012G|31.5|33.0|39.0|A|
|Io lim|Current Limit|Vi> 90 VAC, -10 °C <Ta< 50 °C|ABC400-1024G|20.0|21.0|23.0|A|
||||ABC400-1048G|8.9|10|11.1|A|
|TSD|Over Temperature on Heat Sinks|Over Temperature on Heat Sinks<br>Automatic shut-down|||100||°C|



## **7.1 OVERVOLTAGE PROTECTION** 

The AC-DC power supply provides a fixed threshold overvoltage (OV) protection implemented with a HW comparator.  Once an OV condition has been triggered, the supply will shut down and latch the fault condition. the latch can be unlocked by disconnecting the supply from the AC mains only. 

## **7.2 CURRENT LIMITATION** 

The main output current limitation will decrease with linear derating to 50% at 70 ºC if the ambient (inlet) temperature increases beyond 50 °C (see Figure 15). 

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120<br>100<br>80<br>60<br>40<br>20<br>0<br>-10 0 10 20 30 40 50 60 70<br>Ambient Temperature(°C)<br>Io (%)<br>**----- End of picture text -----**<br>


Figure 15: Output Current Limitation Curve 

## **7.3 POWER GOOD SIGNAL** 

The Out-OK output gives a status indication of the converter and the output voltages. It can be used for control functions such as data protection, central system monitoring or as a part of a self-testing system.  Connecting the Out-OK as shown in Figure 16, Vok <1.0 V indicates that the output voltage(s) of the converter are within the range. 

Note: using the potentiometer, the monitor level tracks the programmed output voltage.  In an error condition, if the output voltage is out of range due to overload or an external overvoltage, Vok will approach Vp.  The output is formed by an NPN transistor. The signal is isolated from the output. 

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## ABC400 Series 

Figure 16: Power Good signal 

Power Good Signal Description: 

1. O/P V OK – Signal Low, Opto conducting, (max sink current 0.5 mA) 

2. O/P V  Bad – Signal High, Opto opening, (max leakage current 25 μ A) 

## **8. ELECTROMAGNETIC COMPATIBILITY** 

## **8.1 IMMUNITY** 

**Note:** Most of the immunity requirements are derived from EN 55024: 2010. 

|**TEST**|**STANDARD / DESCRIPTION**|**CRITERIA**|
|---|---|---|
|ESD Contact Discharge|EN 61000-4-2, Level 2|A|
|RF Susceptibility|EN 61000-4-3, Level 3|A|
|Fast Transient/Burst|EN 61000-4-4, Level 3|B|
|Surge|EN 61000-4-5, Class 3|B|
|RF Conducted Immunity|EN 61000-4-6, Class 3|A|
|Voltage Dips and Interruptions|EN 61000-4-11|C|
|Magnetic Fields|EN 61000-4-8|A|



## **9. SAFETY / APPROVALS** 

Maximum electric strength testing is performed in the factory according to EN/IEC 62368-1, and UL 60950. input-to-output electric strength tests should not be repeated in the field. Bel Power Solutions will not honor any warranty claims resulting from electric strength field tests. 

|**PARAMETER**|**PARAMETER**|**DESCRIPTION / CONDITIONS**|**MIN**|**NOM**|**MAX**|**UNIT**|
|---|---|---|---|---|---|---|
|||Safety approved to the latest edition of the following|||||
||Safety Approvals|standards: CSA/UL60950-1, EN/IEC 62368-1<br>CE Mark for LVD|||||
|||CB Approval|||||
|||Input / Case||Basic|||
||Insulation Safety Rating|Input / Output||Reinforced|||
|||Output / Case||Functional|Functional||
|dC|Creepage / Clearance|Primary (L/N) to protective earth (PE)<br>Primary to secondary||According to<br>safety standard||mm<br>mm|
|||Input to case||2121||VDC|
||Electrical Strength Test|Input to output||4242||VDC|
|||Output and Signals to case||707||VDC|



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© 2020 Bel Power Solutions & Protection 

BCD.00186_AE 

ABC400 Series 

10 

## **10. MECHANICAL DIMENSIONS** 

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Airflow Direction<br>**----- End of picture text -----**<br>


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M3x0.5P Thread Hole<br>for customer system mounting;<br>Mounting screw insert into<br>PSU chassis 5.0mm Max.<br>(2 holes on each side)<br>fg<br>1SO 115<br>Figure 17: Side view 1<br>115<br>I/O label SN Label<br>foo YN]<br>19.05 2x<br>19.05 2x<br>**----- End of picture text -----**<br>


Figure 18: Side view 2 

## **Note:** A 3D step file of the power supply casing is available on request. 

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Figure 19: Top view 

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ABC400 Series 

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Section A-A<br>A<br>Customer side mounting scerw insert<br>into PSU chassis 5.0mm Max.<br>“i<br>Airflow Direction<br>W y<br>aI<br>M3x0.5P Thread Hole<br>for customer system mouting<br>(4places on bottom side)<br>A<br>118.75<br>62.87<br>**----- End of picture text -----**<br>


Figure 20: Bottom view 2 

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38.1 ±0.5<br>ins<br>—_—<br>r =<br>Lf<br>,<br>±0.5<br>76.2<br>**----- End of picture text -----**<br>


Figure 21: Front view 

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BCD.00186_AE 

ABC400 Series 

12 

## **11. CONNECTIONS** 

|**PIN**|**NAME**|**DESCRIPTION**|
|---|---|---|
|**Input Connector J1**|||
|J1- 1|Earth|AC Input  Earth|
|J1- 2|Not fitted|NA|
|J1- 3|Live|AC Input Live|
|J1- 4|Not fitted|NA|
|J1- 5|Neutral|AC Input Neutral|
|**Output Connector J2**|||
|J2-outside row|+Vo|+12V / +24V / +48V Output|
|J2-inside row|-Vo|+12V / +24V / +48V Output Return|
|**Signal Connector J3**|||
|J3- 1|-Vo Sense|Output Negative Sense|
|J3- 2|+Vo Sense|Output Positive Sense|
|J3- 3|Power Good|Power Good Signal|
|J3- 4|Power Good Return|Power Good Signal  Return|



Connector Mating Parts (Molex or equivalent) 

|**CONNECTOR**|**HOUSING**|**CRIMP TERMINAL**|**WIRE GAUGE**|
|---|---|---|---|
|J1|09-50-3051|08-50-0105|AWG#18|
|J2|39-01-2105|44476-3112|AWG#16|
|J3|22-01-3047|08-50-0113|AWG#22-30|



**NUCLEAR AND MEDICAL APPLICATIONS** - Products are not designed or intended for use as critical components in life support systems, equipment used in hazardous environments, or nuclear control systems. 

**TECHNICAL REVISIONS** - The appearance of products, including safety agency certifications pictured on labels, may change depending on the date manufactured. Specifications are subject to change without notice. 

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