Diodes ZLPM8011 User Manual download pdf

ZLPM8011

Document number: DS35979 Rev. 2 - 2

1 of 3

www.diodes.com

October 2012

ZLPM8011

Product Line o

Diodes Incorporated

SET-TOP BOX SERIES SINGLE LNB

CONTROLLER AND POWER SUPPLY IC

Summary

The ZLPM8011 is a power management and control solution for

satellite set-top boxes (STBs). Based on an efficient boost converter

the ZLPM8011 provides the power supply and all the control signals

required by a single port satellite Low Noise Block (LNB). The

ZLPM8011 includes an accurate 22kHz tone generator to provide

DiSEqC™ control words or continuous tone for band switching

control. To provide a reliable DiSEqC 2.0 solution the IC includes a

DiSEqC detector with unwanted signal rejection. Controlled by an

C™ compatible interface or logic inputs and with the minimal

external components the ZLPM8011 provides a high performing,

efficient cost efficient solution.

Features

• High system efficiency with standby mode

• Efficient boost converter and LDO providing an accurate

adjustable power supply for LNBs

• Provides a protected output of up to 550mA

 Programmable current limit for system flexibility

• Designed for stability with low power LNBs

• Provides standard voltage / tone and DiSEqC control signals and

allows for regional variations such as Japan.

 Internal tone generator for DiSEqC control and traditional

band switching

 Tone maintains shape across all load conditions

• Internal reliable tone detector for DiSEqC 2.0 systems

• Controlled by I

C interface or independent logic control

• Built in multiple diagnostics and protection for IC and LNB

protection

• Minimal external components for a simple, reliable and cost

effective solution

• Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)

• Halogen and Antimony Free. “Green” Device (Note 3)

Applications

• Single tuner Satellite Set-top boxes

 High current LNBs

 Stability with minimal current LNBs

• Satellite PC Cards

• TV’s with integrated satellite tuners

• Hybrid Set-top boxes

• Suitable for Digital and Analog satellite systems

System Diagram

Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.

2. See http://www.diodes.com for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free.

3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl)

and <1000ppm antimony compounds.

DiSEqC

is a trademark of Eutlesat.

is a trademark of Philips Corp.

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Summary of Contents

ZLPM8011 Document number: DS35979 Rev. 2 - 2 1 of 3 www.diodes.com October 2012© Diodes Incorporated ZLPM8011A Product Line ofDiodes IncorporatedSE

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