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L6743, L6743Q is a flexible, high-frequency dualdriver specifically designed to drive N-channel MOSFETs connected in Synchronous-Rectified Buck topology. Table 1. Device summary Order code L6743 L6743TR L6743Q L6743QTR Package SO-8 SO-8 DFN10 DFN10 Packaging Tube Tape & Reel Tube Tape & Reel August 2007 Rev 1 1/17 www.st.com 1 Free Datasheet http://www.
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Dual MOSFET driver for synchronous rectified converters High driving current for fast external MOSFET switching Integrated bootstrap diode High frequency operation Enable pin Adaptive dead-time management Flexible gate-drive: 5V to 12V compatible High-impedance (HiZ) management for output stage Shutdown Preliminary OV protection SO-8 and DFN10 3x3 packages
SO-8
DFN10 3x3
Combined with ST PWM Controllers, the driver allows implementing complete voltage regulator solutions for modern high-current CPUs and DCDC conversion in general. L6743, L6743Q embeds high-current drive.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | L6740L |
STMicroelectronics |
Hybrid controller |
|
| 2 | L6743D |
STMicroelectronics |
High current MOSFET driver |
|
| 3 | L6743Q |
STMicroelectronics |
High current MOSFET driver |
|
| 4 | L6747A |
ST Microelectronics |
High Current MOSFET Driver |
|
| 5 | L6747C |
ST Microelectronics |
High Current MOSFET Driver |
|
| 6 | L6701 |
STMicroelectronics |
3 Phase Controller |
|
| 7 | L6706 |
ST Microelectronics |
Single-phase Switching DC-DC Controllers & Smart Regulators |
|
| 8 | L6710 |
ST Microelectronics |
6 BIT PROGRAMMABLE DUAL-PHASE CONTROLLER WITH DYNAMIC VID MANAGEMENT |
|
| 9 | L6711 |
STMicroelectronics |
3 Phase controller |
|
| 10 | L6713A |
STMicroelectronics |
2/3 phase controller |
|
| 11 | L6714 |
ST Microelectronics |
4 phase controller |
|
| 12 | L6716 |
STMicroelectronics |
2/3/4 phase step-down controller |
|