Input:
Output:
Current:
Package:
35-75 V
1.5 V
60 A
Quarter-brick
Technical Specification
Figure 13: Turn-on transient at full rated load (resistive load) (2
ms/div) Input voltage pre-applied. Ch 1: Vout (1V/div). Ch 2: ON/OFF
input (5V/div)
Figure 14: Turn-on transient at zero load current (2 ms/div).
Ch 1: Vout (1V/div)
Ch 2: ON/OFF input (5V/div)
Figure 15: Output voltage response to step-change in load current (50%-
Figure 16: Output voltage response to step-change in load current (50%-
75%-50% of Iout(max); dI/dt = 0.1A/µs). Load cap: 10
µ
F, 100 m
Ω
ESR tanta-
75%-50% of Iout(max): dI/dt = 1A/
µs). Load cap: 470µF, 30 mΩ ESR tanta-
lum cap and 1 F ceramic cap. Ch 1: Vout (100mV/div), Ch 2: Iout (20A/div).
µ
lum cap and 1 F ceramic cap. Ch 1: Vout (500mV/div), Ch 2: Iout (20A/div).
µ
See Fig. 15
10
µH
See Fig. 14
source
impedance
See Fig. 16
iS
iC
DC/DC
Converter
VOUT
VSOURCE
10
µ
Ω
F,
ESR
1 µF
47 µF,
ceramic
100m
≅1
Ω ESR
capacitor
tantalum
electrolytic
capacitor
capacitor
Figure 17: Test set-up diagram showing measurement points for Input
Terminal Ripple Current (Figure 18), Input Reflected Ripple Current
(Figure 19) and Output Voltage Ripple (Figure 20).
Figure 18: Input Terminal Ripple Current, i , at full rated output cur-
c
rent and nominal input voltage with 10
µH source impedance and 47µF
electrolytic capacitor (200 mA/div). See Figure 17.
Product # PQ60015QPA60
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-2QP651F Rev. B
01/23/08
Page 7