參數(shù)資料
型號(hào)： SHM48T40010-PBC0
廠商： POWER-ONE INC
元件分類(lèi)： 電源模塊
英文描述： 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
文件頁(yè)數(shù)： 16/37頁(yè)
文件大?。?/td> 697K
代理商： SHM48T40010-PBC0
SHM48 Series - 40A
Data Sheet
SHM48T40 Family DS Ver 2 03-24-03
USA Toll Free 866 WOW-didt
Page 23 of 37
SHM48T40018 (1.8 Volts Out)
Vout
Vsource
i
S
i
C
1
F
ceramic
capacitor
10
H
source
inductance
DC/DC
Converter
33
F
ESR <1
electrolytic
capacitor
SemiHTMFamily
Fig. 1.8V.11: Test Set-up for measuring input reflected ripple currents,
ic and is.
Fig. 1.8V.12: Input reflected ripple current,
is (10 mA/div), meas-
ured through 10
H at the source at full rated load current and
Vin = 48 V. Refer to Fig. 1.8V.11 for test setup. Time scale:
1
s/div.
15
60
3.0
Iout [Adc]
V
out
[
V
dc
]
0
2.5
1.0
0.5
30
45
2.0
1.5
Fig. 1.8V.13: Output voltage vs. load current showing current
limit point and converter shutdown point. Input voltage has al-
most no effect on current limit characteristic.
Fig. 1.8V.14: Input reflected ripple current,
ic (100 mA/div),
measured at input terminals at full rated load current and Vin =
48 V. Refer to Fig. 1.8V.11 for test setup. Time scale: 1
s/div.
Fig. 1.8V.15: Load current (top trace, 20 A/div, 20 ms/div) into
a 10 m
short circuit during restart, at Vin = 48 V. Bottom trace
(20 A/div, 1 ms/div) is an expansion of the on-time portion of
the top trace.
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