參數(shù)資料
型號(hào): PQ40080QGA09PRS
廠商: SYNQOR INC
元件分類(lèi): 電源模塊
英文描述: 1-OUTPUT 72 W DC-DC REG PWR SUPPLY MODULE
封裝: ROHS COMPLIANT PACKAGE-8
文件頁(yè)數(shù): 13/14頁(yè)
文件大小: 662K
代理商: PQ40080QGA09PRS
Input:
Output:
Current:
PPackage:
ackage:
18-75 V
8.0 V
9 A
Quarter-brick
T
Technical S
echnical Specification
pecification
Product # PQ40080QGA09
Phone 1-888-567-9596
Doc.# 005-2QG380D Rev. A
02/07/06
Page 8
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).
10 H
source
impedance
DC/DC
Converter
See Fig. 19
See Fig. 18
See Fig. 20
1 F
ceramic
capacitor
10 F,
100m
ESR
tantalum
capacitor
47 F,
<1 ESR
electrolytic
capacitor
VSOURCE
i
S
i
C
VOUT
Figure 18: Input Terminal Ripple Current, ic, at full rated output cur-
rent and nominal input voltage with 10H source impedance and 47F
electrolytic capacitor (200 mA/div). See Figure 17.
Figure 19: Input reflected ripple current, is, through a 10 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: 1F ceramic capacitor
and 10F tantalum capacitor. Bandwidth: 20 MHz. See Figure 17.
4
5
6
7
8
9
0123456789
10
11
12
Load Current (A)
O
u
tp
u
t
V
o
lt
a
g
e
(V
)
18 V
48 V
75 V
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 m
short circuit. Top trace
(10ms/div) is an expansion of the on-time portion of the bottom trace.
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