PQ60150EKXXX Datasheet, PDF (9/15 Pages) SynQor Worldwide Headquarters – Thermal shutdown protects converter from abnormal environmental conditions

Technical Specification
Input: 35-75V
Output: 15V
Current: 3.3A
Part No.: PQ60150EKx03
See Fig. 15
10 µH
source
impedance
See Fig. 14
See Fig. 16
i_S
V_SOURCE
i_C
47 µF,
<1W ESR
electrolytic
capacitor
DC/DC
Converter
V_OUT
1 µF 15 µF,
ceramic _{100mW ESR}
capacitor _tantalum
capacitor
Figure 13: Test set-up diagram showing measurement points for Input Terminal
Ripple Current (Figure 14), Input Reflected Ripple Current (Figure 15) and
Output Voltage Ripple (Figure 16).
Figure 14: Input Terminal Ripple Current, ic, at full rated output current and
nominal input voltage with 10µH source impedance and 47µF electrolytic
capacitor (50mA/div). See Figure 13.
Figure 15: Input reflected ripple current, is, through a 10µH source inductor,
using a 47µF electrolytic input capacitor (5mA/div). See Figure 13.
Figure 16: Output voltage ripple at nominal input voltage and rated load current
(50mV/div). Load capacitance: 1µF ceramic capacitor and 15µF tantalum
capacitor. Bandwidth: 20MHz. See Figure 13.
12
11
10
9
8
7
6
5
4
3
2
1
0
40.0
39.5
100% Load
50% Load
0% Load
39.0 38.5
38.0
37.5
37.0
36.5
36.0
35.5
35.0
Input Voltage (V)
Figure 17: Output voltage response to step-change in input voltage(48V to 75V),
at 3.3A load current. Load cap: 15uF tantalum capacitor and 1uF ceramic cap.
Ch1:Vout(500mV/div),Ch2: Vin (50V/div)
Figure 18: Achievable trim-up percentage vs. input voltage at 0%, 50% and full
load. Vin=35-40V.
Product # PQ60150EKx03
Phone [phone]
www.synqor.com
Doc.# 005-0005265 Rev. A
08/20/09
Page 9