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參數(shù)資料
| 型號： | PQ48033HTA38PRS |
| 廠商： | SYNQOR INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 文件頁數(shù)： | 12/14頁 |
| 文件大?。?/td> | 725K |
| 代理商： | PQ48033HTA38PRS |
Product # PQ48033HTA38
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-2UT433F Rev. A
12/03/04
Page 7
Input:
Output:
Current:
P
Package:
ackage:
35-75 V
3.3 V
38 A
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
15 F,
450m
ESR
tantalum
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 (100 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 (5 mA/div).
(See Figure 13)
Figure 16: Output voltage ripple at nominal input voltage and rated
load current (20 mV/div). Load capacitance: 1F ceramic capacitor
and 15F tantalum capacitor. Bandwidth: 20 MHz. (See Figure 13)
1.4
1.6
1.8
2.0
2.2
2.4
2.6
2.8
3.0
3.2
3.4
3.6
0
5
10
15
20
25
30
35
40
45
50
55
Load Current (A)
Output
Voltage
(V)
35 V
48 V
75 V
Figure 17: Output voltage vs. load current showing typical current limit
curves and converter shutdown points.
Figure 18: Load current (15A/div) as a function of time when the con-
verter attempts to turn on into a 1 m
short circuit. Top trace
(2ms/div) is an expansion of the on-time portion of the bottom trace.
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| PQ48033HTA38PYF | 制造商:SYNQOR 制造商全稱:SYNQOR 功能描述:Half-brick DC/DC Converter |
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