Datasheet

TPS2419
www.ti.com SLVS998B –FEBRUARY 2010–REVISED SEPTEMBER 2011
RECOMMENDED OPERATING CONDITIONS
voltages are referenced to GND (unless otherwise noted)
MIN NOM MAX UNIT
A, C Input voltage range
(1)
0 16.5 V
A to C Operational voltage 5 V
EN Input voltage range 0 5 V
R
(RSET)
Resistance range
(2)
1.5 ∞ kΩ
C
(BYP)
Capacitance Range
(2)
800 2200 10k pF
T
J
Operating junction temperature –40 125 °C
(1) V
(C)
must exceed 2.5 V for normal operation and 3 V to meet gate drive specification
(2) Voltage should not be applied to these pins.
ELECTRICAL CHARACTERISTICS
(1)
Common conditions (unless otherwise noted) are: [3 V ≤ ( V
(A)
, V
(C)
) ≤ 18 V ] , C
(BYP)
= 2200 pF, R
(RSET)
= open, EN = 2 V,
GATE = open, –40°C ≤ T
J
≤ 125°C, positive currents into pins, typical values are at 25°C, all voltages with respect to GND.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
A, C
V
(C)
rising 2.25 2.5
Supply UVLO V
Hysteresis 0.25
| I
(A)
|, Gate in active region 0.66 1
A current mA
| I
(A)
|, Gate saturated high 0.1
Worst case, gate in active region, V
(AC)
≤ 0.1 V 4.25 6
C current mA
Gate saturated high, V
(AC)
≤ 0.1 V 1.2
EN
Threshold voltage V
(EN)
rising 1.25 1.3 1.35 V
Hysteresis 29 mV
V
(AC)
= 0.1 V, V
(EN)
↑ : 1.1 V → 1.4 V, measure
0.65 1
period to V
(GATE)
= 0.25 V
Response time μs
V
(AC)
= 0.1 V, V
(EN)
↓: 1.4 V → 1.1 V, measure
0.3 0.6
period to V
(GATE)
= V
(ON)
- 0.25 V
Leakage current (source or sink) V
(EN)
= 0.5 V 1 μA
TURN ON
Forward turn-on voltage - V
ON
V
(A-C)
58 65 71 mV
TURN OFF
Gate sinks > 10 mA at V
(GATE-A)
= 2 V
V
(A-C)
falling, R
(RSET)
= open 1 3 5
Turn-off threshold voltage mV
V
(A-C)
falling, R
(RSET)
= 28.7 kΩ -17 -13.25 -10
V
(A-C)
falling, R
(RSET)
= 3.24 kΩ -170 -142 -114
V
(A)
= 12 V, V
(A-C)
: 20 mV → –20 mV,
Turn-off delay 70 ns
V
(GATE-A)
begins to decrease
V
(A)
= 12 V, C
(GATE-GND)
= 0.01 μF, V
(A-C)
:
Turn-off time 20 mV → –20 mV, measure the period to 130 ns
V
(GATE)
= V
(A)
(1) Parameters with only typical values are provided for reference only, and do not constitute part of TI's published device specifications for
purposes of TI's product warranty.
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