4

ABC401 Series

tech.support@psbel.com

PARAMETER

DESCRIPTION / CONDITION

MIN

NOM

MAX

UNIT

V1 Output Voltage

0.5% set point accuracy for all voltage variants

-

-

-

-

-

12

24

28

36

48

-

-

-

-

-

V

V1 Output Power Rating

All voltages, convection cooled models,

All voltages, fan cooled + forced air cooled (> 400 LFM) models

All models, peak power (

≤ 10 s)

250

400

440

W

V1 Output Current

33.3

16.7

14.3

11.1

8.3

A

V1 Voltage Adjustment Range

-

-

±5

%V1

V1 Load-Line-Cross Regulation

V1 Load: 0 – 33.3 A (12 V)

0 – 16.7 A (24 V)

0 – 14.3 A (28 V)

0 – 13.9 A (36 V)

0 – 8.3 A (48 V)

V2 Load: 0 – 1 A

-

-

±2

%V1

V1 Line Regulation

-

-

±0.1

%V1

Transient Response

(Voltage Deviation)

25% load changes at 1 A/µs

-

-

±5

%V1

V1 Ripple and Noise

All models, Peak-to-peak, 20 MHz BW.

100 nF ceramic and 10 µF tantalum caps at the load.

-

-

1

%V1

Start-up Rise Time

5

-

85

ms

Start-up Delay

V1 in regulation after PS_ON is asserted

V1 in regulation after AC is applied

-

-

200

750

500

ms

Turn-on Overshoot

At I1 = 500 mA, V1 in regulation within 50 ms.

-

10

10

10

-

%V1

%V2

Hold-up Time

-

-

-

16

20

35

-

-

-

ms

Minimum Load *

0

-

-

A

Maximum Load Capacitance

12 V

24 V

28 V

36 V

48 V

-

-

-

-

-

-

-

-

-

33000

16000

14300

10000

7000

µF

Temperature Drift

-1.2

-

+1.2

mV/°C

V2 Output Voltage

(*)

All models.

Load on V2: from 5 to 1000 mA

Load on V1: from 0.1 to I1 rated

11.35

11.5

12.65

V

V2 Output Current (I2)

Convection / forced air cooling

-

-

1

A

3% set point accuracy

-

5

-

V

Convection cooled models

Fan cooled + forced air cooled (> 400 LFM) models

-

-

-

-

1.5

2

A

V1 Load: 0 – 33.3 A (12 V)

0 – 16.7 A (24 V)

0 – 14.3 A (28 V)

0 – 13.9 A (36 V)

0 – 8.3 A (48 V)

V2 Load: 0 – 1 A

-

-

±5