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參數(shù)資料
| 型號： | PMP5818UWSR |
| 廠商： | ERICSSON POWER MODULES AB |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 88 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT PACKAGE-11 |
| 文件頁數(shù)： | 43/60頁 |
| 文件大小： | 4072K |
| 代理商： | PMP5818UWSR |
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Ericsson Internal
PRODUCT SPECIFICATION
7 (13)
Prepared (also subject responsible if other)
No.
EYIPYAN
3/1301-BMR657 5818 Uen
Approved
Checked
Date
Rev
Reference
SEC/D (Julia You)
EQUENXU
2007-7-9
B
)
(
1
)
1100
(
5
)
1100
(
1
40
Ω
×
×
=
k
C
R
o
TT
Where Co is the total output capacitance in F. Co values
greater than or equal to 1100 F require RTT to be a short,
0.To ensure stability, a minimum amount of output capacitance is
required for a given
RTT resistor value.The value of RTT must be
calculated using the minimum required output capacitance.
RTT Resistor Selection
The Turbo Trans resistor value, RTT can be determined from
the Turbo TransTM programming equation, see the equation
below.
)
(
1
)
1980
880
5
(
)
1980
(
1
40
Ω
+
×
×
=
k
C
R
o
TT
Where Co is the total output capacitance in F. Co values
greater than or equal to 1980 F require RTT to be a short,
0.To ensure stability, a minimum amount of output capacitance is
required for a given
RTT resistor value.The value of RTT must be
calculated using the minimum required output capacitance.
PMP 5818UW P
Smart Sync
Smart Sync is a feature that allows multiple power modules
to be synchronized to a common frequency. Driving the
Smart Sync pins with an external oscillator set to the
desired frequency, synchronizes all connected modules to
the selected frequency. The synchronization frequency can
be higher or lower than the nominal swithing frequency of
the modules within the range of 240 KHz to 400 KHz.
Synchroizing modules powered from the same bus
eliminates beat frequencies reflected back to the input
supply, and also reduces EMI filtering requirements.
Eliminating the slow beat frequencies (usually < 10 KHz)
allows the EMI filter to be designed to attenuate only the
synchronization frequency. Power modules can also be
synchronized out of phase to minimize ripple current and
reduce input capacitance requirements. The below figure
E
PMP 5000 series
PoL Regulator
Input 4.5 - 14 V, Output up to 16 A / 88 W
EN/LZT 146 388 R1B December 2009
Ericsson AB
Technical Specication
48
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