參數(shù)資料
型號(hào): 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(yè)數(shù): 46/60頁(yè)
文件大小: 4072K
代理商: PMP5818UWSR
Ericsson Internal
PRODUCT SPECIFICATION
9 (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
Thermal Consideration
General
The regulators are designed to operate in different thermal
environments and sufficient cooling must be provided to
ensure reliable operation.
Cooling is achieved mainly by conduction, from the pins to
the host board, and convection, which is dependant on the
airflow across the regulator. Increased airflow enhances the
cooling of the regulator.
The Output Current Derating graph found in the Output
section for each model provides the available output current
vs. ambient air temperature and air velocity at Vin = 5/12 V.
The DC/DC regulator is tested on a 10.2 x 10.2 mm,
35 m (1 oz), 4-layer test board mounted vertically in a
wind tunnel with a cross-section of 305 x 305 mm.
Proper cooling of the DC/DC regulator can be verified by
measuring the temperature at positions P1, P2 and P3. The
temperature at these positions should not exceed the max
values provided in the table below.
Note that the max value is the absolute maximum rating
(non destruction) and that the electrical Output data is
guaranteed up to ambient temperature +85°C.
See Design Note 019 for further information.
Position
Device
Designation
max value
P1
Pcb
130 C
P2
Mosfet
130 C
P3
Inductor
Tref
130 C
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
50
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