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參數(shù)資料
| 型號(hào)： | PQ55540HTM05NRS |
| 廠商： | SYNQOR INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 275 W DC-DC REG PWR SUPPLY MODULE |
| 文件頁數(shù)： | 11/13頁 |
| 文件大?。?/td> | 604K |
| 代理商： | PQ55540HTM05NRS |
Product # PQ55540HTL05
Phone 1-888-567-9596
Doc.# 005-2HT554F Rev. A
04/20/06
Page 7
Input:
Output:
Current:
PPackage:
ackage:
38-55 V
54 V
5.1 A
5.1 A (275W)
(275W)
Half-brick
T
Technical S
echnical Specification
pecification
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).
10 H
source
impedance
DC/DC
Converter
See Fig. 15
See Fig. 14
See Fig. 16
1 F
ceramic
capacitor
200 F,
450m
ESR
electrolytic
capacitor
47 F,
<1
ESR
electrolytic
capacitor
VSOURCE
i
S
i
C
VOUT
Figure 14: 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 13)
Figure 15: Input reflected ripple current, is, through a 10 H source
inductor at nominal input voltage and rated load current (10 mA/div).
(See Figure 13)
Figure 16: Output voltage ripple at nominal input voltage and rated
load current (50 mV/div). Load capacitance: 1F ceramic capacitor
and 200F electrolytic capacitor. Bandwidth: 20 MHz. (See Figure 13)
Figure 17: Output voltage response to step-change in input voltage
(1000V/ms). Load cap: 200F, electrolytic output capacitance. Ch 1:
Vin (10V/div), Ch 2: Vout (1V/div).
Figure 18: Load current (2A/div) as a function of time when the con-
verter attempts to turn on into a 3.3
short circuit. Top trace
(2.5ms/div) is an expansion of the on-time portion of the bottom trace.
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