Datasheet > AFL12009DW/ES

AFL12009DW/ES

更新时间： 2024-02-04 15:51:15

品牌	Logo	应用领域
其他 - ETC		转换器
页数	文件大小	规格书
12页	123K
描述
DC to DC Converter

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AFL12009DW/ES 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Obsolete	零件包装代码：	MODULE
包装说明：	,	针数：	12
Reach Compliance Code：	compliant	ECCN代码：	EAR99
风险等级：	5.73	模拟集成电路 - 其他类型：	DC-DC REGULATED POWER SUPPLY MODULE
最大输入电压：	160 V	最小输入电压：	80 V
标称输入电压：	120 V	JESD-30 代码：	R-XDMA-P12
最大负载调整率：	1%	功能数量：	1
输出次数：	1	端子数量：	12
最高工作温度：	125 °C	最低工作温度：	-55 °C
最大输出电压：	10.8 V	标称输出电压：	9 V
封装主体材料：	UNSPECIFIED	封装形状：	RECTANGULAR
封装形式：	MICROELECTRONIC ASSEMBLY	峰值回流温度（摄氏度）：	260
认证状态：	Not Qualified	表面贴装：	NO
技术：	HYBRID	温度等级：	MILITARY
端子形式：	PIN/PEG	端子位置：	DUAL
处于峰值回流温度下的最长时间：	40	最大总功率输出：	90 W
微调/可调输出：	YES	Base Number Matches：	1

AFL12009DW/ES 数据手册

AFL12000S Circuit Description

Figure I. AFL Single Output Block Diagram

Input

Filter

DC Input

Enable 1

Output

Filter

+Output

+Sense

Primary

Bias Supply

Current

Sense

Sync Output

Amplifier

Control

11 Share

Error

Amp

& Ref

Sync Input

Case

Enable 2

Sense

Amplifier

-Sense

Output Return

Input Return

load when their physical separation could cause

undesirable voltage drop. This connection allows

regulation to the placard voltage at the point of

application. When the remote sensing feature is not

used, the sense leads should be connected to their

respective output terminals at the converter. Figure

III. illustrates a typical remotely sensed application.

Circuit Operation and Application Information

The AFL series of converters employ a forward

switched mode converter topology. (refer to Figure

I.) Operation of the device is initiated when a DC

voltage whose magnitude is within the specified

input limits is applied between pins 1 and 2. If pin 4

is enabled (at a logical 1 or open) the primary bias

supply will begin generating

regulated

Inhibiting Converter Output

housekeeping voltage bringing the circuitry on the

primary side of the converter to life. A power

MOSFET is used to chop the DC input voltage into

a high frequency square wave, applying this

chopped voltage to the power transformer at the

nominal converter switching frequency. Maintaining

a DC voltage within the specified operating range at

the input assures continuous generation of the

primary bias voltage.

As an alternative to application and removal of the

DC voltage to the input, the user can control the

converter output by providing TTL compatible,

positive logic signals to either of two enable pins

(pin 4 or 12). The distinction between these two

signal ports is that enable 1 (pin 4) is referenced to

the input return (pin 2) while enable 2 (pin 12) is

referenced to the output return (pin 8). Thus, the

user has access to an inhibit function on either side

of the isolation barrier. Each port is internally pulled

"high" so that when not used, an open connection on

both enable pins permits normal converter

operation. When their use is desired, a logical "low"

on either port will shut the converter down.

The switched voltage impressed on the secondary

output transformer winding is rectified and filtered to

generate the converter DC output voltage. An error

amplifier on the secondary side compares the output

voltage to a precision reference and generates an

error signal proportional to the difference. This error

signal is magnetically coupled through the feedback

transformer into the controller section of the

converter varying the pulse width of the square

wave signal driving the MOSFET, narrowing the

width if the output voltage is too high and widening it

if it is too low, thereby regulating the output voltage.

Figure II. Enable Input Equivalent Circuit

+5.6V

100K

1N4148

Pin 4 or

Pin 12

Disable

290K

Remote Sensing

2N3904

Connection of the + and - sense leads at a remotely

located load permits compensation for excessive

resistance between the converter output and the

150K

Pin 2 or

Pin 8

1...4 5 678 9 10...12

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与AFL12009DW/ES相关器件

型号	品牌	描述	获取价格	数据表
AFL12009DW/HB	ETC	DC to DC Converter	获取价格
AFL12009DW-CH	INFINEON	ADVANCED ANALOG HIGH RELIABILITY HYBRID DC/DC CONVERTERS	获取价格
AFL12009DW-ES	INFINEON	ADVANCED ANALOG HIGH RELIABILITY HYBRID DC/DC CONVERTERS	获取价格
AFL12009DW-HB	INFINEON	ADVANCED ANALOG HIGH RELIABILITY HYBRID DC/DC CONVERTERS	获取价格
AFL12009DX	INFINEON	DC-DC Regulated Power Supply Module, 2 Output, 66W, Hybrid	获取价格
AFL12009DX/CH	ETC	DC to DC Converter	获取价格

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