Inverting Buck Boost Converter Using TPS40200 (12V to -8V@1.3A) Reference Design

(ACTIVE) PMP5026

Description & Features

Technical Documents

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Description

PMP5026 uses the TPS40200 in an inverting buck boost configuration to generate a negative output from a positive input.  This type of circuit is useful in a number of applications including Audio, Communications, Military/Space etc.  This design uses a nominal 12V input to generate an output of -8V@1.3A.  The circuit also provides a way to synchronize and sequence this particular design with other power rails in the system.

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Bill of Materials (BOM)

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Parametrics
 PMP5026.1
(Output Voltage 1)
Vin (Min) (V)10.8
Vin (Max) (V)13.2
Vout (Nom) (V)-8
Iout (Max) (A)1.3
Output Power (W)10.4
Isolated/Non-IsolatedNon-Isolated
Input TypeDC
TopologyBuck Boost- Non Sync

TI Devices (1)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
TPS40200  Wide Input Non-Synchronous Buck DC/DC Controller  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
TPS40200 Download Download
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Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (1)
Title Abstract Type Size (KB) Date Views
PDF 324 12 Nov 2010 8
Design files (2)
Title Abstract Type Size (KB) Date Views
PDF 49 12 Nov 2010 9
PDF 20 12 Nov 2010 10

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