參數(shù)資料
型號(hào): A8282SLBTR
英文描述: LNB Supply and Control Voltage Regulator
中文描述: LNB電源和控制穩(wěn)壓器
文件頁(yè)數(shù): 1/10頁(yè)
文件大?。?/td> 350K
代理商: A8282SLBTR
8281/8282
11/18/2002
Intended for analog and digital satellite receivers, the low noise block
converter regulator (LNBR) is a monolithic linear and switching voltage
regulator, specifically designed to provide the power and the interface
signals to the LNB downconverter via the coaxial cable.
If the device is in stand-by mode (EN terminal LOW), the regulator
output is disabled. This is to allow the antenna downconverters to be
supplied/controlled by other satellite receivers sharing the same coaxial
cable. In this mode the device will limit reverse current.
The A8281 is supplied in a 16-lead plastic SOIC with copper batwing
tab (suffix “LB”). The A8282 is supplied is a 24-lead plastic SOIC with
copper batwing tab (suffix “LB”). Operating temperature range is standard
classification (suffix "S").
The A8282 is available for improved power dissipation as well as
allowing direct replacement of Allegro’s first generation LNBR device, the
A8283SLB, with the exception of the bypass switch.
FEATURES
LNB selection and stand-by function
Built-in tone oscillator factory trimmed to 22 kHz facilitates DiSEqC
encoding
Tracking switch-mode power converter for lowest dissipation
Externally adjustable short-circuit protection
LNB short-circuit protection and diagnostics
Auxiliary modulation input
Internal over temperature protection
Reverse current protection
Cable Length Compensation (A8282 only)
This device incorporates features that have patents pending.
Always order by complete part number:
Part Number
A8282SLBTR
A8282SLB
A8281SLB
Package
24 Lead SOIC Tape/Reel
24 Lead SOIC
16 Lead SOIC
ABSOLUTE MAXIMUM RATINGS
at TA = +25
°
C
Load Supply Voltage, VIN ...........................4
7 V
Output Current, I
OUT
............
Internally Limited*
Output Voltage, V
OUT
........................
-1V to
22 V
Switching Node, LX .......................................
-1V
Logic Input .....................................
-0.3 V to 7 V
Package Power Dissipation (TA = +25
°
C), P
D
A8281SLB..........................
56
°
C/W**
A8282SLB..........................
50
°
C/W**
Operating Temperature Range,
T
A
................................
-20
°
C to +85
°
C
Junction Temperature, T
J
.........................
+150
°
C
Storage Temperature Range,
T
S
...............................
-55
°
C to +150
°
C
*
Output current rating may be limited by duty cycle,
ambient temperature, and heat sinking. Under any set of
conditions, do not exceed the specified current rating or a
junction temperature of 150
°
C.
** Measured on a PCB with 2 oz copper with ground area
of 1 square inch.
LNB SUPPLY AND CONTROL
VOLTAGE REGULATOR
相關(guān)PDF資料
PDF描述
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A8282SLBTR-T 功能描述:IC REG LNB SUPPLY/CTRL 24-SOIC RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專(zhuān)用型 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,000 系列:- 應(yīng)用:電源,ICERA E400,E450 輸入電壓:4.1 V ~ 5.5 V 輸出數(shù):10 輸出電壓:可編程 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:42-WFBGA,WLCSP 供應(yīng)商設(shè)備封裝:42-WLP 包裝:帶卷 (TR)
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A8283SB 制造商:ALLEGRO 制造商全稱(chēng):Allegro MicroSystems 功能描述:LNB SUPPLY AND CONTROL-VOLTAGE REGULATOR