PQ60120QZB33 Datasheet, PDF (6/13 Pages) SynQor Worldwide Headquarters – Protection from permanent damage and hazardous conditions

Technical Figures
Input:35-75V
Output:12V
Current:33A
Part No.:PQ60120QZB33
100
95
90
85
80
75
70
35 Vin
65
48 Vin
75 Vin
60
0 3 6 9 12 15 18 21 24 27 30 33
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for minimum,
nominal, and maximum input voltage at 25°C.
30
25
20
15
10
35 Vin
5
48 Vin
75 Vin
0
0 3 6 9 12 15 18 21 24 27 30 33
Load Current (A)
Figure 2: Power Dissipation at nominal output voltage vs. load current for
minimum, nominal, and maximum input voltage at 25°C.
40
35
30
25
20
15
400 LFM (2.0 m/s)
10
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
5
100 LFM (0.5 m/s)
0
25
40
55
70
85
Ambient Air Temperature (oC)
Figure 3: Thermal Derating (max output current vs. ambient air temperature)
for airflow rates of 100LFM through 400LFM with air flowing from pin 3 to pin
1 (nominal input voltage - Base Plated Unit).
Figure 4: Turn-on Transient at full load (resistive load) (10 ms/div).
Ch 1: Vout (5 V/div)
Ch 2: ON/OFF input (5 V/div)
Figure 5: Turn-on Transient at zero load (10 ms/div).
Ch 1: Vout (5 V/div)
Ch 2: ON/OFF input (5 V/div)
Product # PQ60120QZB33
Phone [phone]
Figure 6: Output Voltage Response to Step-Change in Load Current (50%-
75%-50% of Iout(max); dI/dt = 5A/μ s; 1 ms/div). Load cap: 1uF ceramic and
10uF Tantalum. Top trace: Vout (500mV/div). Bottom trace: Iout (35A/div).
www.synqor.com
Doc.# 005-0005586 Rev. G
02/04/15
Page 6