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參數(shù)資料
| 型號： | PMN8118UWP |
| 廠商： | ERICSSON POWER MODULES AB |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 108 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT PACKAGE-14 |
| 文件頁數(shù)： | 25/37頁 |
| 文件大小： | 2048K |
| 代理商： | PMN8118UWP |
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Ericsson Internal
PRODUCT SPECIFICATION
6 (8)
Prepared (also subject responsible if other)
No.
EYIPYAN
3/1301-BMR656 8118 Uen
Approved
Checked
Date
Rev
Reference
SEC/D (Julia You)
EQUENXU
2007-7-9
B
Thermal Consideration continued
Definition of reference temperature (Tref)
The reference temperature is used to monitor the temperature
limits of the product. Temperatures above maximum Tref are
not allowed and may cause degradation or permanent
damage to the product. Tref is also used to define the
temperature range for normal operating conditions.
Tref is defined by the design and used to guarantee safety
margins, proper operation and high reliability of the module.
Ambient Temperature Calculation
By using the thermal resistance the maximum allowed
ambient temperature can be calculated.
1. The power loss is calculated by using the formula
((1/η) - 1) × output power = power losses (Pd).
η = efficiency of regulator. E.g 89.5 % = 0.895
2. Find the thermal resistance (Rth) in the Thermal Resistance
graph found in the Output section for each model.
Calculate the temperature increase (T).
T = Rth x Pd
3. Max allowed ambient temperature is:
Max Tref - T.
E.g PMN 8118UW P at 0m/s:
1. ((
) -
1) × 99 W = 7.91 W
2. 7.91 W × 13.5°C/W = 106.8°C
3. 130 °C — 106.8°C = max ambient temperature is 23.2°C
The actual temperature will be dependent on several factors
such as the PCB size, number of layers and direction of
airflow.
Connections
Pin
Designation
Function
1
Inhibit/
UVLO Adjust
The Inhibit pin is an open-
collector/drain, negative logic input that
is referenced to GND. Applying a low
level ground signal to this input disables
the module’s output voltage. If the
Inhibit pin is left open-circuit, the
module produces an output whenever a
valid input source is applied. This input
is not compatible with TTL logic devices
and should not be tied VI or other
voltage.
This pin is also used for input
undervoltage lockout (UVLO)
programming. Connecting a resistor
from this pin to GND (Pin 3) allows the
ON threshold of the UVLO to be
adjusted higher than the default value.
2
VI
The positive input voltage power node
to the module, which is referenced to
common GND.
3
GND
This is the common ground connection
for the VI and Vo power connections. It
is also the 0 Vdc reference for the control
inputs.
4
GND
This is the common ground connection
for the VI and Vo power connections. It
is also the 0 Vdc reference for the control
inputs.
5
Vo
The regulated positive power output
with respect to the GND.
6
VI
The positive input voltage power node
to the module, which is referenced to
common GND.
1
0.926
E
PMN 8000 series
POL regulator, Input 5.5-14 V, Output up to 30 A/108 W
EN/LZT 146 387 R1A
July 2007
Ericsson Power Modules AB
Technical Specification
31
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PMN8118UWP/B | 制造商:Ericsson 功能描述:CONVERTER/PMN8118UW P 5.5-14VIN/0.7-3.6V - Trays |
| PMN8118UWS | 功能描述:DC/DC轉(zhuǎn)換器 .7-3.6 Vdc 30A Iso Input 4.5-5.5V 108W RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸: |
| PMN8118UWSR | 功能描述:DC/DC轉(zhuǎn)換器 0.7-3.6V 30A Non-Iso Input 5.5-14V 108W RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸: |
| PMN8118UWSR/C | 制造商:Ericsson 功能描述:30A 5.5V TO 14V INP NON-ISOL ADJ -40+85 DIPMOD-14 LF - Tape and Reel 制造商:Ericsson 功能描述:30A 5.5V TO 14V INP NON-ISOL LF |
| PMNF1-35R-3K | 功能描述:端子 Metric Ring Terminal funnel entry, nyl RoHS:否 制造商:AVX 產(chǎn)品:Junction Box - Wire to Wire 系列:9826 線規(guī):26-18 接線柱/接頭大小: 絕緣: 顏色:Red 型式:Female 觸點電鍍:Tin over Nickel 觸點材料:Beryllium Copper, Phosphor Bronze 端接類型:Crimp |
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