pq30033ega20 SynQor Worldwide Headquarters, pq30033ega20 Datasheet - Page 7

• Manufacturer Part Number: pq30033ega20
• Description: Eighth-brick Dc/dc Converter
• Manufacturer: SynQor Worldwide Headquarters

Product # PQ30033EGA20
T
T
echnical S
echnical S
Figure 13: Turn-on transient at full load (resistive load) (5 ms/div).
Input voltage pre-applied. Ch 1: Vout (1V/div). Ch 2: ON/OFF input
(5V/div)
Figure 15
of Iout(max); dI/dt = 0.1A/µs). Load cap: 10µF, 100 m
and 1µF ceramic capacitor. Ch 1: Vout (200mV/div), Ch 2: Iout (5A/div).
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).
V
See Fig. 15
SOURCE
i
S
impedance
: Output voltage response to step-change in load current (50%-75%-50%
10
source
µ
H
electrolytic
<1Ω ESR
capacitor
47 µF,
pecification
pecification
See Fig. 14
i
Phone [phone]
C
Converter
DC/DC
Ω
capacitor
ESR tantalum capacitor
ceramic
1
µ
F
100mΩ ESR
See Fig. 16
www.synqor.com
capacitor
tantalum
10 µF,
V
OUT
Figure 14: Turn-on transient at zero load (5 ms/div).
Ch 1: Vout (1V/div)
Ch 2: ON/OFF input (5V/div)
Figure 16
50% of Iout(max): dI/dt = 5A/µs). Load cap: 470µF, 30 m
capacitor and 1µF ceramic cap. Ch 1: Vout (200mV/div), Ch 2: Iout (5A/div).
Figure 18: Input Terminal Ripple Current, i c , at full rated output cur-
rent and nominal input voltage with 10
electrolytic capacitor (500 mA/div). See Figure 17.
Doc.# 005-2EG33MU Rev. A
: Output voltage response to step-change in load current (50%-75%-
P
P
Current:
Current:
ackage:
ackage:
Output:
Output:
µ
H source impedance and 47
3/18/08
3.3 V
20 A
Eighth-brick
3.3 V
20 A
Eighth-brick
Ω
ESR tantalum
Page 7
µ
F