PQ40150QGA07 Datasheet, PDF (8/14 Pages) SynQor Worldwide Headquarters – Quarter-brick DC/DC Converter

Technical Specification
Input: 18-75 V
Output: 15.0 V
Current: 6.67 A
Package: Quarter-brick
Figure 19: Input reflected ripple current, is, through a 10 µ H source
inductor at nominal input voltage and rated load current (10 mA/div).
See Figure 17.
Figure 20: Output voltage ripple at nominal input voltage and rated
load current (20 mV/div). Load capacitance: 1µ F ceramic capacitor
and 10µ F tantalum capacitor. Bandwidth: 20 MHz. See Figure 17.
16
15
14
13
12
11
10
35 Vin
48 Vin
9
75 Vin
8
0
1
2
3
4
5
6
7
8
9
Load Current (A)
Figure 21: Output voltage vs. load current showing typical current limit
curves and converter shutdown points.
Figure 22: Load current (5A/div) as a function of time when the con-
verter attempts to turn on into a 10 mW short circuit. Top trace
(40ms/div) is an expansion of the on-time portion of the bottom trace.
1
-10
-20
-30
0.1
-40
-50
0.01
-60
0.001
0.0001
10
18 Vin
48 Vin
75 Vin
100
1,000
10,000
100,000 1,000,000
Hz
-70
-80
-90
-100
-110
10
18 Vin
48 Vin
75 Vin
100
1,000
10,000
100,000
Hz
Figure 23: Magnitude of incremental output impedance (Zout =
vout/iout) for minimum, nominal, and maximum input voltage at full
rated power.
Figure 24: Magnitude of incremental forward transmission (FT =
vout/vin) for minimum, nominal, and maximum input voltage at full
rated power.
Product # PQ40150QGA07
Phone [phone]
www.synqor.com
Doc.# 005-2QG157D Rev. A 5/31/07
Page 8