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TPS2837D データシート(PDF) 2 Page - Texas Instruments |
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TPS2837D データシート(HTML) 2 Page - Texas Instruments |
2 / 17 page TPS2836, TPS2837 SYNCHRONOUSBUCK MOSFET DRIVER WITH DEADTIME CONTROL SLVS224B − NOVEMBER 1999 − REVISED AUGUST 2002 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 functional block diagram DT 3 IN VCC LOWDR BOOTLO HIGHDR BOOT PGND 1 4 8 7 6 5 VCC 2 (TPS2836 Only) (TPS2837 Only) 1 M Ω 250 k Ω 250 k Ω Terminal Functions TERMINAL I/O DESCRIPTION NAME NO. I/O DESCRIPTION BOOT 8 I Bootstrap terminal. A ceramic capacitor is connected between BOOT and BOOTLO to develop the floating bootstrap voltage for the high-side MOSFET. The capacitor value is typically between 0.1 µF and 1 µF. BOOTLO 6 O This terminal connects to the junction of the high-side and low-side MOSFETs. DT 3 I Dead-time control terminal. Connect DT to the junction of the high-side and low-side MOSFETs HIGHDR 7 O Output drive for the high-side power MOSFET IN 1 I Input signal to the MOSFET drivers (noninverting input for the TPS2836; inverting input for the TPS2837). LOWDR 5 O Output drive for the low-side power MOSFET PGND 2 Power ground. Connect to the FET power ground. VCC 4 I Input supply. Recommended that a 1 µF capacitor be connected from VCC to PGND. |
同様の部品番号 - TPS2837D |
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