Buck-Boost charge pump (-48V @ 0.03A) for Routers PMP3065 (ACTIVE)

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Description

This circuit creates dual-inverting outputs from a 3.3V input, while being very compact. Excellent voltage regulation is achieved with the use of a voltage doubler as well as direct feedback regulation through a simple level-shift circuit.

See the Important Notice and Disclaimer covering reference designs and other TI resources.


Parametrics
 PMP3065.1
(Output Voltage 1)
PMP3065.2
(Output Voltage 2)
Vin (Min) (V)33
Vin (Max) (V)3.63.6
Vout (Nom) (V)-24-48
Iout (Max) (A).04.03
Output Power (W).961.44
Isolated/Non-IsolatedNon-IsolatedNon-Isolated
Input TypeDCDC
TopologyBuck Boost- InvertingBuck Boost- Inverting

TI Devices (2)

Order samples, get tools and find more information on the TI products in this reference design.

Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
TPS61170  1.2A Switch, 38V High Voltage Boost Converter in 2x2mm QFN Package  Step-up (boost)  Sample & Buy View Design Kits & Evaluation Modules
TPS61170-Q1  Automotive 3V to 18V Wide Input Range, 1.2A Boost Converter in 2x2mm QFN Package  Step-up (boost)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
TPS61170 Download Download
TPS61170-Q1 Download Download

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Step 2: Download the Symbol and Footprint from the CAD.bxl file table.


Technical Documents

See the Important Notice and Disclaimer covering reference designs and other TI resources.

User guides (1)
Title Type Size (KB) Date
PDF 1953 19 Jan 2011
Design files (2)
Title Type Size (KB) Date
PDF 20 19 Jan 2011
PDF 47 19 Jan 2011

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