Datasheet > AFL12005SXPBF

AFL12005SXPBF

更新时间： 2024-01-21 12:23:10

品牌	Logo	应用领域
英飞凌 - INFINEON		/
页数	文件大小	规格书
11页	124K
描述
DC-DC Regulated Power Supply Module, 1 Output, 80W, Hybrid, 0.380 INCH, LOW PROFILE, SEAM WELDED PACKAGE-12

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AFL12005SXPBF 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：	5.18	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：	85 °C	最低工作温度：	-20 °C
最大输出电压：	6 V	标称输出电压：	5 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：	OTHER
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：	80 W
微调/可调输出：	YES	Base Number Matches：	1

AFL12005SXPBF 数据手册

AFL120XXS Series

Input Filter

The AFL120XXS series converters incorporate a LC input

filter whose elements dominate the input load impedance

characteristic at turn-on. The input circuit is as shown in

Figure IV.

Finding a resistor value for a particular output voltage, is

simply a matter of substituting the desired output voltage

and the nominal device voltage into the equation and solv-

ing for the corresponding resistor value.

Figure V. Connection for V_OUTAdjustment

Figure IV. Input Filter Circuit

Enable

16.8uH

Sense

Return

R _ADJ

Pin 1

AFL120xxS

0.78uF

To Load

V_out

Pin 2

Note: R_adjmust be set ≥ 500Ω

Attempts to adjust the output voltage to a value greater than

120% of nominal should be avoided because of the poten-

tial of exceeding internal component stress ratings and sub-

sequent operation to failure. Under no circumstance should

the external setting resistor be made less than 500Ω. By

remaining within this specified range of values, completely

safe operation fully within normal component derating limits

is assured.

Undervoltage Lockout

A minimum voltage is required at the input of the converter

to initiate operation. This voltage is set to 74 ± 4 volts. To

preclude the possibility of noise or other variations at the

input falsely initiating and halting converter operation, a hys-

teresis of approximately 7 volts is incorporated in this cir-

cuit. Thus if the input voltage droops to 67 ± 4 volts, the

converter will shut down and remain inoperative until the

input voltage returns to ≈ 74 volts.

Examination of the equation relating output voltage and re-

sistor value reveals a special benefit of the circuit topology

utilized for remote sensing of output voltage in the

AFL120XXS series of converters. It is apparent that as the

resistance increases, the output voltage approaches the

nominal set value of the device. In fact the calculated limit-

ing value of output voltage as the adjusting resistor be-

OutputVoltage Adjust

In addition to permitting close voltage regulation of remotely

located loads, it is possible to utilize the converter sense

pins to incrementally increase the output voltage over a

limited range.The adjustments made possible by this method

are intended as a means to “trim” the output to a voltage

setting for some particular application, but are not intended

to create an adjustable output converter. These output volt-

age setting variations are obtained by connecting an appro-

priate resistor value between the +sense and -sense pins

while connecting the -sense pin to the output return pin as

shown in Figure V. below. The range of adjustment and

corresponding range of resistance values can be deter-

comes very large is ≈ 25mV above nominal device voltage.

The consequence is that if the +sense connection is unin-

tentionally broken, an AFL120XXS has a fail-safe output

voltage of Vout + 25mV, where the 25mV is independent of

the nominal output voltage. It can be further demonstrated

that in the event of both the + and - sense connections

being broken, the output will be limited toVout + 440mV. This

440 mV is also essentially constant independent of the nomi-

nal output voltage.

mined by use of the following equation.

NOM

adj

= 100•

OUT

NOM

- V

-.025

Where V_NOM= device nominal output voltage, and

V_OUT= desired output voltage

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