Product # PQ24050QGA20

Phone 1-888-567-9596

www.synqor.com

Doc.# 005-2QG250D Rev. C

03/13/06

Page 6

T

pecification

Input:

Input:

Output:

Output:

Current:

Current:

ackage:

18-36 V

18-36 V

5 V

5 V

20 A

20 A

Quarter-brick

Quarter-brick

0

2

4

6

8

10

12

14

16

18

20

0

25

40

55

70

85

Ambient Air Temperature (

400 LFM (2.0 m/s)

300 LFM (1.5 m/s)

200 LFM (1.0 m/s)

100 LFM (0.5 m/s)

0 LFM (0 m/s)

Figure 7: Maximum output power-derating curves vs. ambient air tem-

perature for airflow rates of 0 LFM through 400 LFM with air flowing

from input to output (nominal input voltage).

Figure 8: Thermal plot of converter at 14 amp load current (70W) with

verter from input to output (nominal input voltage).

Figure 9: Turn-on transient at full load (resistive load) (2 ms/div).

Input voltage pre-applied. Ch 1: Vout (2V/div). Ch 2: ON/OFF input

(5V/div)

Figure 10: Turn-on transient at zero load (2 ms/div).

Ch 1: Vout (2V/div)

Ch 2: ON/OFF input (5V/div)

50% of Iout(max); dI/dt = 0.1A/µs). Load cap: 10µF, 100 m

Ω

ESR tantalum capac-

itor and 1µF ceramic capacitor. Ch 1: Vout (200mV/div), Ch 2: Iout (10A/div).

50% of Iout(max): dI/dt = 5A/µs). Load cap: 470µF, 30 m

Ω

ESR tantalum

capacitor and 1µF ceramic cap. Ch 1: Vout (200mV/div), Ch 2: Iout (10A/div).

Semiconductor junction temperature is

within 1°C of surface temperature