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TPS2419PWR Fiches technique(PDF) 3 Page - Texas Instruments

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No de pièce TPS2419PWR
Description  N1 and ORing Power Rail Controller with Enable
Download  21 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

TPS2419PWR Fiches technique(HTML) 3 Page - Texas Instruments

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TPS2419
www.ti.com
SLVS998A – FEBRUARY 2010 – REVISED MARCH 2010
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
k
C(BYP)
Capacitance Range(2)
800
2200
10k
pF
TJ
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
≤ TJ ≤ 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
ms
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
mA
TURN ON
Forward turn-on voltage - VON
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 mF, 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.
Copyright © 2010, Texas Instruments Incorporated
3
Product Folder Link(s): TPS2419


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