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AFL12009SZ

更新时间： 2024-01-25 09:44:45

品牌	Logo	应用领域
英飞凌 - INFINEON		转换器电源电路
页数	文件大小	规格书
12页	216K
描述
HYBRID-HIGH RELIABILITY DC/DC CONVERTER

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技术参数
数据手册

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AFL12009SZ 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

AFL12009SZ 数据手册

AFL28XXS Series

Block Diagram

Figure I. Single Output

Input

Filter

+ Input

Output

Filter

+Output

+Sense

Primary

Bias Supply

Enable 1

Current

Sense

Sync Output

Amplifier

Control

11 Share

Error

Amp

& Ref

Sync Input

Case

Enable 2

Sense

Amplifier

Sense Return

Output Return

Input Return

not used, the sense leads should be connected to their

respective output terminals at the converter. Figure III.

llustrates 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 a regulated 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.

Inhibiting Converter Output (Enable)

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 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

150K

Pin 2 or

Pin 8

www.irf.com

1 2 3 456 7 8...12

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与AFL12009SZ相关器件

型号	品牌	描述	获取价格	数据表
AFL12009SZ/CH	INFINEON	HYBRID-HIGH RELIABILITY DC/DC CONVERTER	获取价格
AFL12009SZ/CHPBF	INFINEON	DC-DC Regulated Power Supply Module, 1 Output, 90W, Hybrid, 0.380 INCH, LOW PROFILE, SEAM	获取价格
AFL12009SZ/ES	INFINEON	HYBRID-HIGH RELIABILITY DC/DC CONVERTER	获取价格
AFL12009SZ/ESPBF	INFINEON	DC-DC Regulated Power Supply Module, 1 Output, 90W, Hybrid, 0.380 INCH, LOW PROFILE, SEAM	获取价格
AFL12009SZ/HB	INFINEON	HYBRID-HIGH RELIABILITY DC/DC CONVERTER	获取价格
AFL12009SZ/HBPBF	INFINEON	DC-DC Regulated Power Supply Module, 1 Output, 90W, Hybrid, 0.380 INCH, LOW PROFILE, SEAM	获取价格

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