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| 型号： | APC08F08-9J |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 封装： | 0.530 X 1.300 INCH, 0.290 INCH HEIGHT, SMT-6 |
| 文件页数： | 22/23页 |
| 文件大小： | 1182K |
| 代理商： | APC08F08-9J |
Technical Reference Note (APC08)
MODEL: APC08 SERIES
SHEET 8 OF 23
AUGUST 9, 2002 - REVISION 02
Typical Application Circuit (Standard Pinout)
Recommended C1 is a low ESR (<100 mohms) 100 F tantalum and C2 is a 1 F ceramic or equivalent. Recommended
output decoupling capacitor C3 is 1 F.
Figure 2. Typical Application Circuit.
Enable Pin (Standard configuration)
Pin P5 is functioned to enable the output voltage of a
module. If this pin is left open or connected to > 4.1Vdc
up to 14Vdc, the module is turned on. On the other hand,
if this pin is connected to ground or to a voltage potential
from 0 to 0.8Vdc, the module is turned off. The enable pin
can source current up to 60
A max - suited for typical
open-collector transistors readily available in the market.
For TTL compatibility, Figure 3 shows a 7405 open
collector inverter IC utilized to function the Enable
feature. Other common chips that can do the function are
74S05; 74HCT05; non-inverting - 7407; 74S07; 74HC07.
If SMT packaging is preferred, Fairchild's Tiny Logic
NC7SZ05 or TI's Little Logic SN7SLVC1G06 comes in SOT23
or SC70 packages.
Special Feature Pins (Options):
Trim Function (-9):
Pin P4 is used for output voltage adjustment. The output voltage can be trimmed through an external resistor or through an
external DC supply as described in the succeeding sections.
Method 1: External Trim Resistor.
By connecting an external resistor across P4 and P3 (Gnd), the voltage appearing on pin P2 (Vo) is adjusted to a higher
value. The output voltage of a module can be adjusted up to a maximum value of 3.3V (nominal) or 83% of the input
voltage, whichever is lower. By connecting an external resistor across P4 and P2, Vo is adjusted to a lower value. Only
small reductions, 2%, in voltage are recommended, as adjustment to lower voltages tends to affect the loop compensation
of the module.
Figure 3. Output Voltage Enable function diagram.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| APC08F08-9MA | 制造商:ASTEC 制造商全称:Astec America, Inc 功能描述:Non-Isolated DC/DC Power Module |
| APC08F08-9MAL | 功能描述:DC/DC转换器 DC-DC 1-OUT 3.3V 8A 30W 7-Pin SMT 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: |
| APC08F08-J | 功能描述:DC/DC转换器 CONV DC-DC 25W 8Vin 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: |
| APC08F08-JL | 功能描述:DC/DC转换器 DC-DC 1-OUT 3.3V 8A 30W 7-Pin SMT 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: |
| APC08F08-W | 制造商:ASTEC 制造商全称:Astec America, Inc 功能描述:Non-Isolated DC/DC Power Module |
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