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TPS2830PWP датащи(PDF) 1 Page - Texas Instruments |
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TPS2830PWP датащи(HTML) 1 Page - Texas Instruments |
1 / 15 page TPS2830, TPS2831 FAST SYNCHRONOUS-BUCK MOSFET DRIVERS WITH DEADTIME CONTROL SLVS196B – JANUARY1999 – REVISED SEPTEMBER 1999 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Floating Bootstrap or Ground-Reference High-Side Driver D Active Deadtime Control D 50-ns Max Rise/Fall Times and 100-ns Max Propagation Delay — 3-nF Load D Ideal for High-Current Single or Mutiphase Applications D 2.4-A Typ Peak Output Current D 4.5-V to 15-V Supply Voltage Range D Internal Schottky Bootstrap Diode D SYNC Control for Synchronous or Nonsynchronous Operation D CROWBAR for OVP, Protects Against Faulted High-Side Power FETs D Low Supply Current . . . 3-mA Typ D –40°C to 125°C Junction-Temperature Operating Range description The TPS2830 and TPS2831 are MOSFET drivers for synchronous-buck power stages. These devices are ideal for designing a high-performance power supply using a switching controller that does not include suitable MOSFET drivers on the chip. The drivers are designed to deliver 2.4-A peak currents into large capacitive loads. Higher currents can be controlled by using multiple drivers in a multiphase configuration. The high-side driver can be configured as a ground-reference driver or as a floating bootstrap driver. An adaptive dead-time control circuit eliminates shoot-through currents through the main power FETs during switching transitions, and provides high efficiency for the buck regulator. The TPS2830/31 drivers have additional control functions: ENABLE, SYNC, and CROWBAR. Both drivers are off when ENABLE is low. The driver is configured as a nonsynchronous-buck driver when SYNC is low. The CROWBAR function turns on the low-side power FET, overriding the IN signal, for over-voltage protection against faulted high-side power FETs. The TPS2830 has a noninverting input. The TPS2831 has an inverting input. The TPS2830/31 drivers are available in 14-terminal SOIC and TSSOP packages and operate over a junction temperature range of –40 °C to 125 °C. AVAILABLE OPTIONS PACKAGED DEVICES TJ SOIC (D) TSSOP (PWP) –40 °C to 125°C TPS2830D TPS2831D TPS2830PWP TPS2831PWP The D and PWP packages are available taped and reeled. Add R suffix to device type (e.g., TPS2830DR) Copyright © 1999, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 1 2 3 4 5 6 7 14 13 12 11 10 9 8 ENABLE IN CROWBAR NC SYNC DT PGND BOOT NC HIGHDR BOOTLO LOWDR NC VCC D OR PWP PACKAGE (TOP VIEW) NC – No internal connection |
Аналогичный номер детали - TPS2830PWP |
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Аналогичное описание - TPS2830PWP |
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