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Edition 2020-06-30
Published by
Infineon Technologies AG
81726 Munich, Germany

2020 Infineon Technologies AG

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Document reference

IFX-Z8F68163134

IMPORTANT NOTICE
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given as a hint for the implementation of the product

only and shall in no event be regarded as a description

or warranty of a certain functionality, condition or

quality of the product. Before implementation of the

product, the recipient of this application note must

verify any function and other technical information

given herein in the real application. Infineon

Technologies hereby disclaims any and all warranties

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warranties of non-infringement of intellectual property

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information given in this application note.
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evaluate the suitability of the product for the intended

application and the completeness of the product

information given in this document with respect to such

application.

WARNINGS
Due to technical requirements products may contain

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Technologies office.
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Содержание OPTIREG TLS412 D0EPV Series

Страница 1: ...Introduction 2 1 1 General description 2 1 2 OPTIREG switcher TLS412xD0EPVxx features 3 1 3 Block diagrams 4 2 Demoboard 6 2 1 Assembly 6 2 2 Operating conditions 10 2 3 Configuration 11 2 3 1 EN sele...

Страница 2: ...of the output voltage and indicate this via the reset output signal Overcurrent and overload protection avoid excessive current to protect the device in short circuit condition at the buck converter o...

Страница 3: ...Hz to 2 8 MHz 100 duty cycle operation Synchronization input Spread spectrum frequency modulation for improved EMI performance Soft start feature Integrated compensation network Output discharge funct...

Страница 4: ...Soft start ramp generator RO RT SYNC VS Over temperature shutdown Enable Internal supply UVLO Bandgap reference Control loop driver Figure 1 Block diagram fixed output voltage variants OPTIREG switche...

Страница 5: ...ramp generator RO RT SYNC VS Over temperature shutdown Enable Internal supply UVLO Bandgap reference Control loop driver AGND Figure 2 Block diagram adjustable variants OPTIREG switcher TLS412xD0EPVx...

Страница 6: ...to these two assemblies there exist two configurations for each product One is supporting the low switching frequency LF range while the other supports the high switching frequency range HF The diffe...

Страница 7: ...Figure 4 Assembly adjustable output voltage variant in HF configuration OPTIREG switcher TLS412xD0EPVxx demoboard Z8F68163134 Demoboard User manual 7 Rev 1 1 2020 06 30...

Страница 8: ...Figure 5 Assembly fixed output voltage variant in LF configuration OPTIREG switcher TLS412xD0EPVxx demoboard Z8F68163134 Demoboard User manual 8 Rev 1 1 2020 06 30...

Страница 9: ...Figure 6 Assembly adjustable output voltage variant in LF configuration OPTIREG switcher TLS412xD0EPVxx demoboard Z8F68163134 Demoboard User manual 9 Rev 1 1 2020 06 30...

Страница 10: ...ent ICC OUT 0 2 5 A TLS4125D0EPV and TLS4125D0EPVxx variants only Output current ICC OUT 0 2 A TLS4120D0EPV and TLS4120D0EPVxx variants only Enable VEN 0 35 V Can be connected to VIN via jumper Reset...

Страница 11: ...tching frequency fOSC pull up RO to VCC OUT with a resistor pull up SSON to VCC OUT with a resistor 2 3 1 EN selection The EN pin can be connected to VIN by placing a jumper as shown in Figure 7 The E...

Страница 12: ...switching frequency fOSC The selectable options depend on whether the board is configured for the high switching frequency range HF or the low switching frequency range LF To allow for different setti...

Страница 13: ...riteria might not be fulfilled In this case connect a compliant external voltage to the pins via a series resistor The RO pin is an open drain output When JP_RO_PU is not placed then connect an extern...

Страница 14: ...n be assumed R1 R2 VCC OUT VFB 1 Equation 1 Relationship between feedback resistors and output voltage A feedforward capacitor CFF and a feedforward resistor RFF are placed for the adjustable variants...

Страница 15: ...st point indicates the probed signal For further information on the mapping between test points and signals see Schematic The GND clip of the probe can be attached to the ground clamp as shown in Figu...

Страница 16: ...ge variants TLS412xD0EPVxx in LF configuration see Figure 14 adjustable variants TLS412xD0EPV in HF configuration see Figure 15 adjustable variants TLS412xD0EPV in LF configuration see Figure 16 Parts...

Страница 17: ...fixed output voltage variants in LF configuration Figure 15 Schematic for adjustable variants in HF configuration OPTIREG switcher TLS412xD0EPVxx demoboard Z8F68163134 Schematic and layout User manua...

Страница 18: ...Figure 16 Schematic for adjustable variants in LF configuration OPTIREG switcher TLS412xD0EPVxx demoboard Z8F68163134 Schematic and layout User manual 18 Rev 1 1 2020 06 30...

Страница 19: ...er boards However four layers offer better thermal characteristics The configuration on this demoboard is comparable to the 2s2p thermal interface situation Figure 17 Top layer and components OPTIREG...

Страница 20: ...Figure 18 Internal layer 1 OPTIREG switcher TLS412xD0EPVxx demoboard Z8F68163134 Schematic and layout User manual 20 Rev 1 1 2020 06 30...

Страница 21: ...Figure 19 Internal layer 2 OPTIREG switcher TLS412xD0EPVxx demoboard Z8F68163134 Schematic and layout User manual 21 Rev 1 1 2020 06 30...

Страница 22: ...Figure 20 Bottom layer OPTIREG switcher TLS412xD0EPVxx demoboard Z8F68163134 Schematic and layout User manual 22 Rev 1 1 2020 06 30...

Страница 23: ...340T3 SMC CIN1 100 F 50 V E12 CIN2 4 7 F 50 V 1210 CIN5 10 F 16 V 1210 LIN 2 2 H TFM252012ALMA2R2M R3 6 8 k 0603 R6 0 0603 R1 0 3 0603 R2 16 k 4 0603 R3 6 8 k 0603 R9 10 k 0603 R7 100 k 0603 R8 2 2 k...

Страница 24: ...ble 8 Bill of material LF configuration only continued Part Value Package R4 0 0603 R5 2 2 k 0603 OPTIREG switcher TLS412xD0EPVxx demoboard Z8F68163134 Bill of material User manual 24 Rev 1 1 2020 06...

Страница 25: ...an end product or finished appliance nor is it intended or authorized by Infineon to be integrated into end products The demoboard may not be used in any production system For further information ple...

Страница 26: ...ory Revision Date Changes 1 0 2020 05 27 Document created 1 1 2020 06 30 Added LF and HF variant description OPTIREG switcher TLS412xD0EPVxx demoboard Z8F68163134 Revision history User manual 26 Rev 1...

Страница 27: ...abilities of any kind including without limitation warranties of non infringement of intellectual property rights of any third party with respect to any and all information given in this application n...

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