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A8287SLB PDF预览

A8287SLB

更新时间: 2024-11-08 22:23:19
品牌 Logo 应用领域
急速微 - ALLEGRO 稳压器模拟IC信号电路光电二极管
页数 文件大小 规格书
17页 526K
描述
LNB Supply and Control Voltage Regulator

A8287SLB 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:SOIC
包装说明:SOP, SOP24,.4针数:24
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:5.89模拟集成电路 - 其他类型:ANALOG CIRCUIT
JESD-30 代码:R-PDSO-G24JESD-609代码:e0
长度:15.29 mm功能数量:1
端子数量:24最高工作温度:85 °C
最低工作温度:-20 °C封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP24,.4
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):240电源:10/16 V
认证状态:Not Qualified座面最大高度:2.64 mm
子类别:Power Management Circuits最大供电电流 (Isup):15 mA
最大供电电压 (Vsup):16 V最小供电电压 (Vsup):10 V
标称供电电压 (Vsup):12 V表面贴装:YES
温度等级:OTHER端子面层:TIN LEAD
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
宽度:7.49 mmBase Number Matches:1

A8287SLB 数据手册

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Preliminary Data Sheet  
Subject to Change without Notice  
January 21, 2004  
A8285/A8287  
LNB Supply and Control Voltage Regulator  
Intended for analog and digital satellite receivers, the LNB (low noise  
SCL  
SDA  
IRQ  
1
2
3
4
5
6
7
8
16 VCP  
A8285SlB  
SOIC  
block) converter regulator is a monolithic linear and switching voltage  
regulator, specically designed to provide power and interface signals  
to an LNB downconverter, via coaxial cable.  
BOOST  
15  
14 LX  
13 GND  
GND  
VREG  
VIN  
LNB  
12  
11  
The device uses a 2-wire bidirectional serial interface, compatible with  
the I2C (Inter-C bus) standard, that operates up to 400 kHz.  
TOUT  
Scale 1:1  
EXTM  
ADD  
10 TCAP  
NC  
9
The A8285 is supplied in a 16-lead plastic power SOIC with copper  
batwing tabs (sufx LB). The A8287 is supplied in a 24-lead plastic  
power SOIC with copper batwing tabs (part number sufx LB).  
SCL  
SDA  
IRQ  
1
2
24 VCP  
BOOST  
23  
A8287SlB  
SOIC  
3
22 GND  
4
21  
20  
19  
GND  
LX  
GND  
GND  
GND  
GND  
VREG  
VIN  
5
6
GND  
7
18 GND  
LNB  
8
17  
9
16 TOUT  
15 TCAP  
10  
EXTM  
Scale 1:1  
ADD 11  
12  
NC  
14  
FEATURES  
TDO  
13 TDI  
LNB selection and standby function  
Provides up to 500 mA load current  
Two-wire serial I2C interface  
ABSOLUTE MAXIMUM RATINGS  
Built-in tone oscillator, factory-trimmed to 22 kHz; facilitates  
DiSEqC™ 2.0 encoding  
Auxiliary modulation input  
22 kHz tone detector facilitates DiSEqC™ decoding (A8287 only)  
Tracking switch-mode power converter for lowest dissipation  
LNB overcurrent protection and diagnostics  
Internal overtemperature protection  
LNB voltages (16 possible levels) compatible with all common  
standards  
Load Supply Voltage, VIN....................................16 V  
Output Current, IOUT ..................Internally Limited*  
Output Voltage  
LNB, BOOST .....................–0.3 V to 28 V  
TOUT................................. –0.3 V to 22 V  
Logic Input  
EXTM ...................................–0.3 V to 5 V  
Other .................................... –0.3 V to 7 V  
Logic Output........................................ –0.3 V to 7 V  
Package Power Dissipation ………..See power dissi-  
pation information in theApplication Information section  
Operating Temperature  
Ambient, T .......................–20°C to +85°C  
A
Junction, TJ.......................–20°C to +150°C  
Storage,TS .......................–55°C to +150°C  
Use the following complete part numbers when ordering:  
* Output current rating may be limited by duty cycle,  
ambient temperature, and heat sinking. Under any  
set of conditions, do not exceed the specied current  
rating or a junction temperature of +150°C.  
Part Number  
A8287SLB  
A8285SLB  
Package  
Description  
24-pin, batwing SOIC All features  
16-pin, batwing SOIC Tone detect not provided  

A8287SLB 替代型号

型号 品牌 替代类型 描述 数据表
A8287SLBTR-T ALLEGRO

完全替代

Analog Circuit, 1 Func, PDSO24, BATWING, LEAD FREE, PLASTIC, SOIC-24
A8285SLBTR-T ALLEGRO

功能相似

Analog Circuit, 1 Func, PDSO16, BATWING, LEAD FREE, PLASTIC, SOIC-16

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