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参数资料
| 型号： | ALO20A48N-6 |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 60 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | EIGHTH BRICK, PACKAGE-8 |
| 文件页数： | 24/26页 |
| 文件大小： | 909K |
| 代理商： | ALO20A48N-6 |
Technical Reference Notes
AEO_ALO04/12/20/25x48 Series
(Single Output 8th Brick)
MODEL: AEO_ALO04/12/20/25x48 SERIES
SHEET 7 OF 26
AUGUST 25, 2005 - REVISION G
+Vin
-Vin
Enable
-Vout
+Vout
-Sense
+Sense
Vadj
Rload
Radj_up
Figure 3. External resistor configuration to increase the outputs
+Vin
-Vin
Enable
-Vout
+Vout
-Sense
+Sense
Vadj
Rload
Radj_down
Figure 4. External resistor configuration to increase the outputs
Basic Operation and Features
INPUT UNDER VOLTAGE LOCKOUT
To prevent any instability to the converter, which may affect the end system, the converter have been designed to turn-on once
VIN is in the voltage range of 33 to 36VDC. Likewise, it has also been programmed to turn-off when VIN drops down to 31 to
34VDC
OUTPUT VOLTAGE ADJUST/TRIM
The converter comes with a TRIM pin (PIN 6), which is used to adjust the output by as much as 90% to 110% of its set point.
This is achieved by connecting an external resistor as described below.
To INCREASE the output, external Radj_up resistor
should be connected between TRIM PIN (Pin6) and
+SENSE PIN (Pin 7). Please refer to Equation (1) for the
required external resistance and output adjust
relationship.
Equation (1a): 1.5V to 12V
Equation (1b): 1.2V
To DECREASE the output, external Radj_down resistor
should be connected between TRIM pin (Pin 6) and
-SENSE PIN (Pin 5). Please refer to Equation (2) for the
required external resistance and output adjust
relationship.
Equation (2):
Where:
% = percent change in output voltage
Radj_down
510
%
10.2
k
Radj_up
5.1 Voset
×
100
%
+
(
)
×
0.6
%
×
510
%
10.2
=Κ
Radj_up
5.1 Voset
×
100
%
+
(
)
×
1.225
%
×
510
%
10.2
=Κ
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ALO20A48N-6L | 功能描述:DC/DC转换器 120W 5V 20A 1/8-Brk 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: |
| ALO20A48N-6S | 制造商:ASTEC 制造商全称:Astec America, Inc 功能描述:AEO40x48 / ALO40x48 Single Output 8th Brick: Baseplate or Open-Frame Module |
| ALO20A48N-L | 功能描述:DC/DC转换器 120W 5V 20A 8TH BRICK 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: |
| ALO20A48NS | 制造商:ASTEC 制造商全称:Astec America, Inc 功能描述:AEO40x48 / ALO40x48 Single Output 8th Brick: Baseplate or Open-Frame Module |
| ALO20A48N-S | 功能描述:DC/DC转换器 120W 5V 20A 1/8-Brk 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: |
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