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参数资料
| 型号： | PMN8118UWP |
| 厂商： | ERICSSON POWER MODULES AB |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 108 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | ROHS COMPLIANT PACKAGE-14 |
| 文件页数： | 25/37页 |
| 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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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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转换器 .7-3.6 Vdc 30A Iso Input 4.5-5.5V 108W RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
| PMN8118UWSR | 功能描述:DC/DC转换器 0.7-3.6V 30A Non-Iso Input 5.5-14V 108W RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
| 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 产品:Junction Box - Wire to Wire 系列:9826 线规:26-18 接线柱/接头大小: 绝缘: 颜色:Red 型式:Female 触点电镀:Tin over Nickel 触点材料:Beryllium Copper, Phosphor Bronze 端接类型:Crimp |
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