Input:

Output:

Current:

Package:

Technical Specification

35 - 75 V

24 V

5.0 A

Quarter-brick

Product # PQ60240QGA05

Phone 1-888-567-9596

www.synqor.com

Doc.# 005-2-QGA624D Rev. B 10/01/08

Page 6

0

2

4

6

8

10

12

40.0

39.5

39.0

38.5

38.0

37.5

37.0

36.6

36.0

35.5

35.0

Input Voltage (V)

100% Load

50% Load

0% Load

Figure 12: Percentage of output voltage trim-up that can be achieved

at various input voltages from Vin 35V-40V and output loads of 0%,

50% and full load.

0

1

2

3

4

5

6

25

40

55

70

85

Ambient Air Temperature (°C)

400 LFM (2.0 m/s)

300 LFM (1.5 m/s)

200 LFM (1.0 m/s)

100 LFM (0.5 m/s)

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

perature for airflow rates of 100 LFM through 400 LFM with air flow-

ing from pin 1 to pin 3 (nominal input voltage).

Figure 8: Thermal plot of converter at 5 amp load current (120W) with

pin 1 (nominal input voltage).

Figure 9: Turn-on transient at full rated load (resistive load) (20 ms/

div) Input voltage pre-applied. Ch 1: Vout (10V/div). Ch 2: ON/OFF

input (5V/div)

Figure 10: Turn-on transient at zero load current (20 ms/div).

Ch 1: Vout (10V/div)

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

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

capacitor and 1µF ceramic capacitor. Ch 1: Vout (1V/div), Ch 2: Iout (2A/div).

Semiconductor junction temperature is

within 1°C of surface temperature