PQ60280FTA26 Datasheet, PDF (7/14 Pages) SynQor Worldwide Headquarters – Full-brick DC/DC Converter

Technical Specification
Input: 36-75 V
Output: 28 V
Current: 26 A
Package: Full-brick
Figure 7: Turn-on transient at full load (resistive load) (10 ms/div).
Input voltage pre-applied. Top Trace: Vout (10V/div). Bottom Trace:
ON/OFF input (10V/div)
Figure 8: Turn-on transient at zero load (10 ms/div). Top Trace: Vout
(10V/div). Bottom Trace: ON/OFF input (10V/div)
Figure 9: Output voltage response to step-change in load current (50%-75%-
50% of Iout(max); dI/dt = 0.1A/µ s). Load cap: 47µ F, ceramic output capacitance.
Top trace: Vout (1V/div). Bottom trace: Iout (5A/div).
Figure 10: Output voltage response to step-change in load current (50%-75%-
50% of Iout(max): dI/dt = 5A/µ s). Load cap: 47µ F, ceramic output capacitance.
Top trace: Vout (2V/div). Bottom trace: Iout (5A/div).
See Fig. 13
4.7 µH
source
impedance
See Fig. 12
Vin
See Fig. 14
i_S
i_C
DC/DC
Converter
V_OUT
V_SOURCE
200 µF,
electrolytic
capacitor
2*6.8 µF ^{15 µF,}
ceramic tantalum and
Iin
capacitor _{1µF ceramic}
capacitor
Figure 11: Test set-up diagram showing measurement points for Input
Terminal Ripple Current (Figure 12), Input Reflected Ripple Current
(Figure 13) and Output Voltage Ripple (Figure 14).
Figure 12: Input Terminal Ripple Current, ic, at full rated output cur-
rent and 75V input voltage with 4.7µ H source impedance and 200µ F
electrolytic capacitor (Ch2 5A/div). (See Figure 11).
Product # PQ60280FTA26
Phone [phone]
www.synqor.com
Doc.# 005-2FT628P Rev. C
5/21/08
Page 7