PQ60240QGA05 Datasheet, PDF (6/13 Pages) SynQor Worldwide Headquarters – Quarter-brick DC/DC Converter

Technical Specification
Input: 35 - 75 V
Output: 24 V
Current: 5.0 A
Package: Quarter-brick
6
5
4
3
2
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
1
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
0
25
40
55
70
85
Ambient Air Temperature (°C)
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).
Semiconductor junction temperature is
within 1°C of surface temperature
Figure 8: Thermal plot of converter at 5 amp load current (120W) with
55°C air flowing at the rate of 200 LFM. Air is flowing from pin 3 to
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)
12
10
8
6
4
100% Load
2
50% Load
0% Load
Figure 11: Output voltage response to step-change in load current (50%-75%-
50% of Iout(max); dI/dt = 0.1A/µs). Load cap: 10µF, 100 mW ESR tantalum
capacitor and 1µF ceramic capacitor. Ch 1: Vout (1V/div), Ch 2: Iout (2A/div).
0
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)
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.
Product # PQ60240QGA05
Phone [phone]
www.synqor.com
Doc.# 005-2-QGA624D Rev. B 10/01/08
Page 6