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TPS2831PWPRG4 Datasheet(PDF) 6 Page - Texas Instruments |
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TPS2831PWPRG4 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 22 page TPS2830, TPS2831 FAST SYNCHRONOUSBUCK MOSFET DRIVERS WITH DEADTIME CONTROL SLVS196C − JANUARY1999 − REVISED JANUARY 2001 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating virtual junction temperature range, VCC = 6.5 V, ENABLE = High, CL = 3.3 nF (unless otherwise noted) (continued) dead-time control 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 0.7VCC 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, CROWBAR, ENABLE, SYNC) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VIH High-level input voltage Over the VCC range 0.7VCC V VIL Low-level input voltage Over the VCC range 1 V switching characteristics over recommended operating virtual junction temperature range, ENABLE = High, 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 60 HIGHDR output (see Note 3) VBOOT = 6.5 V, VBOOTLO = 0 V 50 ns Fall time HIGHDR output (see Note 3) VBOOT = 12 V, VBOOTLO = 0 V 50 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 VBOOT = 4.5 V, VBOOTLO = 0 V 130 HIGHDR going low (excluding dead time) (see Note 3) VBOOT = 6.5 V, VBOOTLO = 0 V 100 ns Propagation delay time (excluding dead time) (see Note 3) VBOOT = 12 V, VBOOTLO = 0 V 75 ns Propagation delay time LOWDR going high 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 (excluding dead time) (see Note 3) VBOOT = 12 V, VBOOTLO = 0 V 60 ns LOWDR going low 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 (excluding dead time) (see Note 3) VCC = 12 V 60 ns DT to LOWDR and 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 LOWDR to HIGHDR (see Note 3) VCC = 12 V 15 85 ns NOTE 3: Ensured by design, not production tested. |
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