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TPS2834 Datasheet(PDF) 5 Page - Texas Instruments |
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TPS2834 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 17 page TPS2836, TPS2837 SYNCHRONOUSBUCK MOSFET DRIVER WITH DEADTIME CONTROL SLVS224B − NOVEMBER 1999 − REVISED AUGUST 2002 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating virtual junction temperature range, VCC = 6.5 V, CL = 3.3 nF (unless otherwise noted) (continued) dead-time PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VIH High-level input voltage LOWDR Over the VCC range (see Note 3) 0.7VCC V VIL Low-level input voltage LOWDR Over the VCC range (see Note 3) 1 V VIH High-level input voltage DT Over the VCC range 2 V VIL Low-level input voltage DT Over the VCC range 1 V NOTE 3: Ensured by design, not production tested. digital control terminals (IN) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VIH High-level input voltage Over the VCC range 2 V VIL Low-level input voltage Over the VCC range 1 V switching characteristics over recommended operating virtual junction temperature range, CL = 3.3 nF (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VBOOT = 4.5 V, VBOOTLO = 0 V 60 HIGHDR output (see Note 3) VBOOT = 6.5 V, VBOOTLO = 0 V 50 ns Rise time HIGHDR output (see Note 3) VBOOT = 12 V, VBOOTLO = 0 V 50 ns Rise time VCC = 4.5 V 40 LOWDR output (see Note 3) VCC = 6.5 V 30 ns LOWDR output (see Note 3) VCC = 12 V 30 ns VBOOT = 4.5 V, VBOOTLO = 0 V 50 HIGHDR output (see Note 3) VBOOT = 6.5 V, VBOOTLO = 0 V 40 ns Fall time HIGHDR output (see Note 3) VBOOT = 12 V, VBOOTLO = 0 V 40 ns Fall time VCC = 4.5 V 40 LOWDR output (see Note 3) VCC = 6.5 V 30 ns LOWDR output (see Note 3) VCC = 12 V 30 ns HIGHDR going low (excluding dead- VBOOT = 4.5 V, VBOOTLO = 0 V 95 HIGHDR going low (excluding dead- time) (see Note 3) VBOOT = 6.5 V, VBOOTLO = 0 V 80 ns Propagation delay time time) (see Note 3) VBOOT = 12 V, VBOOTLO = 0 V 65 ns Propagation delay time LOWDR going high (excluding VBOOT = 4.5 V, VBOOTLO = 0 V 80 LOWDR going high (excluding dead-time) (see Note 3) VBOOT = 6.5 V, VBOOTLO = 0 V 70 ns dead-time) (see Note 3) VBOOT = 12 V, VBOOTLO = 0 V 60 ns LOWDR going low (excluding dead- VCC = 4.5 V 80 Propagation delay time LOWDR going low (excluding dead- time) (see Note 3) VCC = 6.5 V 70 ns Propagation delay time time) (see Note 3) VCC = 12 V 60 ns DT to LOWDR and LOWDR to VCC = 4.5 V 40 170 Driver nonoverlap time DT to LOWDR and LOWDR to HIGHDR (see Note 3) VCC = 6.5 V 25 135 ns Driver nonoverlap time HIGHDR (see Note 3) VCC = 12 V 15 85 ns NOTE 3: Ensured by design, not production tested. |
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