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參數(shù)資料
| 型號： | PQ6025SMA20NRS-G |
| 廠商： | SYNQOR INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 50.5 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT, SIXTEENTH BRICK PACKAGE-8 |
| 文件頁數(shù)： | 15/15頁 |
| 文件大?。?/td> | 831K |
| 代理商： | PQ6025SMA20NRS-G |
Product # PQ60025SMx20
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005218 Rev. A
06/18/09
Page 9
Technical Specification
Input:
Output:
Current:
48V
2.5V
20A
0
1
2
3
4
5
6
0
10
20
30
40
Load Current (A)
O
u
tp
u
t
V
o
lt
a
g
e
(V
)
35 Vin
48Vin
75 Vin
See
Fig.
14
See
Fig.
16
See
Fig.
15
Vsource
Vout
10H
source
impedance
100F
< 1
Ω ESR
electrolytic
capacitor
1F
ceramic
capacitor
100F
100m
Ω
ESR
electrolytic
capacitor
DC/DC
Converter
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).
Figure 14: Input Terminal Ripple Current, ic, at full rated output current and
nominal input voltage with 10H source impedance and 100F electrolytic
capacitor (Ch1 100mA/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: one 1.0F ceramic capacitor and one
100F electrolytic capacitor. Bandwidth: 20 MHz. (See Figure 13).
Figure 17: Output voltage vs. load current showing typical current limit curves
and converter shutdown points.
Figure 18: Load current (20A/div) as a function of time when the converter
attempts to turn on into a 1 m
Ω short circuit. Top trace (100ms/div) is an
expansion of the on-time portion of the bottom trace.
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