DQ62412QKA02 datasheet(6/15 Pages) SYNQOR | Quarter-brick DC/DC Converter

6 page

Input:

Outputs:

Current:

PPackage:

ackage:

35-75V

2.45V & 1.225V

20W

Quarter-brick

PRELIMINAR

Product # DQ62412QKA02

Phone 1-888-567-9596

Doc.# 005-2DQ245L Rev. A

06/08/05

Page 6

1.175

1.188

1.200

1.213

1.225

1.238

1.250

1.263

1.275

16/0

12.8/1.6

9.6/3.2

6.4/4.8

3.2/6.4

0/8

IOUT1/IOUT2 (A)

2.25

2.3

2.35

2.4

2.45

2.5

2.55

2.6

2.65

1.225V_48Vin

2.45V_48Vin

1.175

1.188

1.200

1.213

1.225

1.238

1.250

1.263

1.275

12/0

10/1

8/2

6/3

4/4

2/5

0/6

IOUT1/IOUT2 (A)

2.25

2.3

2.35

2.4

2.45

2.5

2.55

2.6

2.65

1.225V_48Vin

2.45V_48Vin

Figure 7: Load regulation vs. load current with power fixed at full load

(20W) and load currents split as shown between 1.225V and 2.45V out-

puts, at nominal input voltage.

Figure 8: Load regulation vs. load current with power fixed at 75%

load (15W) and load currents split as shown between 1.225V and 2.45V

outputs, at nominal input voltage.

Figure 9: Load regulation vs. output power from 5W load to 15W with

75% load on 1.225V output and 25% load on 2.45V output at nominal

input voltage.

Figure 10: . Load regulation vs. output power from 3W load to full load

with 25% load on 1.225V output and 75% load on 2.45V output at nom-

inal input voltage.

1.175

1.188

1.200

1.213

1.225

1.238

1.250

1.263

1.275

Total Output Power (W)

2.25

2.3

2.35

2.4

2.45

2.5

2.55

2.6

2.65

1.225V_48Vin

2.45V_48Vin

Figure 11: Maximum output power-derating curves vs. ambient air tem-

perature for airflow rates of 100 to 400 LFM, air flowing from pin 3 to

pin 1. Full load (16A) on 1.225V output and no load on 2.45V output.

1.175

1.188

1.200

1.213

1.225

1.238

1.250

1.263

1.275

Total Output Power (W)

2.25

2.3

2.35

2.4

2.45

2.5

2.55

2.6

2.65

1.225V_48Vin

2.45V_48Vin

Figure 12: Thermal plot of converter at 16 amp load on 1.225V output

and no load on 2.45V output with 55°C air flowing at 200 LFM. Air

flow across the converter is from pin 3 to pin 1 (nominal input voltage)

2540

5570

Ambient Air Temperature (ºC)

400 LFM (2.0 m/s)

300 LFM (1.5 m/s)

200 LFM (1.0 m/s)

100 LFM (1.0 m/s)

Semiconductor junction temperature is

within 1

°C of surface temperature

Input voltage affects cross regu-

lation by maximum of 1mV

Input voltage affects cross regu-

lation by maximum of 1mV

Input voltage affects cross regu-

lation by maximum of 1mV

Input voltage affects cross regu-

lation by maximum of 1mV

Technical S

echnical Specification

pecification

Input:

Outputs:

Current:

PPackage:

ackage:

35-75V

2.45V & 1.225V

20W

Quarter-brick

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