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降圧･昇圧コンバータ

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バックブーストDC-DCコンバータ･トポロジでは、出力電圧が入力電圧を上回る/下回る場合があります。バックブーストDC-DCコンバータは、バッテリ駆動機器でよく使用され、IoT（Internet of Things）用のポータブル機器やウェアラブル機器の要件に適合するために、高効率で超低スタンバイ電流、かつ小型である必要があります。

STは、省スペース･パッケージに収められた超低静止電流と高効率を特徴とする幅広いバックブースト･レギュレータや評価および開発ボードの提供により、小型の高効率バックブースト･コンバータの開発をサポートしています。

buck boost converter block diagram

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アプリケーションノート (5 of 15)

Resource title
Latest update
AN1768 ADMISSIBLE AVALANCHE POWER OF SCHOTTKY DIODES 1.1
24 Mar 2020
24 Mar 2020
AN1768 ADMISSIBLE AVALANCHE POWER OF SCHOTTKY DIODES 1.1
AN4656 Bootloading procedure for STLUX™ and STNRG™ digital controllers 3.1
19 Jun 2015
19 Jun 2015
AN4656 Bootloading procedure for STLUX™ and STNRG™ digital controllers 3.1
AN2025 CONVERTER IMPROVEMENT USING SCHOTTKY RECTIFIER AVALANCHE SPECIFICATION 1.1
13 Sep 2018
13 Sep 2018
AN2025 CONVERTER IMPROVEMENT USING SCHOTTKY RECTIFIER AVALANCHE SPECIFICATION 1.1
AN604 Calculation of conduction losses in a power rectifier 3.2
24 Mar 2020
24 Mar 2020
AN604 Calculation of conduction losses in a power rectifier 3.2
AN4021 Calculation of reverse losses in a power diode 1.0
24 Mar 2020
24 Mar 2020
AN4021 Calculation of reverse losses in a power diode 1.0
AN5028 Calculation of turn-off power losses generated by a ultrafast diode 1.0
13 Sep 2018
13 Sep 2018
AN5028 Calculation of turn-off power losses generated by a ultrafast diode 1.0
AN4381 Current sharing in parallel diodes 1.0
24 Mar 2020
24 Mar 2020
AN4381 Current sharing in parallel diodes 1.0
AN1453 NEW FAMILY OF 150V POWER SCHOTTKY 1.1
24 Mar 2020
24 Mar 2020
AN1453 NEW FAMILY OF 150V POWER SCHOTTKY 1.1
AN4191 Power MOSFET: Rg impact on applications 1.2
07 Jan 2019
07 Jan 2019
AN4191 Power MOSFET: Rg impact on applications 1.2
AN5046 Printed circuit board assembly recommendations for STMicroelectronics PowerFLAT packages 4.0
24 Mar 2020
24 Mar 2020
AN5046 Printed circuit board assembly recommendations for STMicroelectronics PowerFLAT packages 4.0
AN5088 Rectifiers thermal management, handling and mounting recommendations 2.0
24 Mar 2020
24 Mar 2020
AN5088 Rectifiers thermal management, handling and mounting recommendations 2.0
AN533 SCRs, TRIACs, and AC switches, thermal management precautions for handling and mounting 3.6
24 Mar 2020
24 Mar 2020
AN533 SCRs, TRIACs, and AC switches, thermal management precautions for handling and mounting 3.6
AN443 SERIES OPERATION ON FAST RECTIFIERS 2.1
24 Mar 2020
24 Mar 2020
AN443 SERIES OPERATION ON FAST RECTIFIERS 2.1
AN1542 THE THERMAL RUNAWAY LAW IN SCHOTTKY USED IN OR-ING APPLICATION 1.1
13 Sep 2018
13 Sep 2018
AN1542 THE THERMAL RUNAWAY LAW IN SCHOTTKY USED IN OR-ING APPLICATION 1.1
AN869 Tj max limit of Schottky diodes 2.2
24 Mar 2020
24 Mar 2020
AN869 Tj max limit of Schottky diodes 2.2
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Design Notes & Tips (2)

Resource title
Latest update
DN0011 ST1S03 alternative topology: Using a buck in a negative buck-boost configuration 1.2
16 Jul 2019
16 Jul 2019
DN0011 ST1S03 alternative topology: Using a buck in a negative buck-boost configuration 1.2
DN0007 STBB1 buck-boost converter used as a 500mA LED driver with 1.8VDC-5.5VDC Vin 1.2
16 Jul 2019
16 Jul 2019
DN0007 STBB1 buck-boost converter used as a 500mA LED driver with 1.8VDC-5.5VDC Vin 1.2

コンバータ

Input

V This option is required. And must be less than or equal to Volt. Max [V]
V This option is required. And must be greater than or equal to Volt. Min [V]

Output Power

V This option is required and must be a number.
A This option is required and must be a number.