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TPS2834 Datasheet(PDF) 5 Page - Texas Instruments

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No. de pieza TPS2834
Descripción Electrónicos  SYNCHRONOUS-BUCK MOSFET DRIVER WITH DEAD-TIME CONTROL
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

TPS2834 Datasheet(HTML) 5 Page - Texas Instruments

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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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