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TPS2393DBTG4 датащи(PDF) 4 Page - Texas Instruments

номер детали TPS2393DBTG4
подробное описание детали  FULL-FEATURED-48-V HOTSWAP POWER MANAGER
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производитель  TI [Texas Instruments]
домашняя страница  http://www.ti.com
Logo TI - Texas Instruments

TPS2393DBTG4 датащи(HTML) 4 Page - Texas Instruments

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TPS2392
TPS2393
SLUS536C − AUGUST 2002 − REVISED AUGUST 2004
www.ti.com
4
ELECTRICAL CHARACTERISTICS
VI(−VIN) = −48 V with respect to RTN, VI(EN) = 2.8 V, VI(INSA) = 0 V, VI(INSB) = 0 V, VI(UVLO) = 2.5 V, VI(OVLO) = 0 V, VI(ISENS) = 0 V, all outputs
unloaded, TA = −40°C to 85°C (unless otherwise noted)(1)(2)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
INPUT SUPPLY
ICC1
Supply current, RTN
VI(RTN) = 48 V
1050
1500
A
ICC2
Supply current, RTN
VI(RTN) = 80 V
1350
1700
µA
VUVLO_L Internal UVLO threshold, VIN rising
To GATE pull-up
−19
−16
−13
V
VHYS
Internal UVLO hysteresis
200
mV
ENABLE INPUT (EN)
VTH
Threshold voltage, VIN rising
To GATE pull-up
1.3
1.4
1.5
V
ISRC_EN EN pin switched pull-up current
−12
−10
−8
µA
UNDERVOLTAGE/OVERVOLTAGE COMPARATORS
VTH_UV
Threshold voltage, VIN rising, UVLO
To GATE pull-up
1.36
1.40
1.44
V
ISRC_UV UVLO pin switched pull-up current
VI(UVLO) = 2.5 V
−11.7
−10.0
−8.3
µA
IIL
UVLO low-level input current
VI(UVLO) = 1 V
−1
1
µA
VTH_OV
Threshold voltage, VIN rising, OVLO
To GATE pull-up
1.36
1.40
1.44
V
ISRC_OV OLVO pin switched pull-up current
VI(OVLO) = 2.5 V
−11.7
−10.0
−8.3
µA
IIL
OVLO low-level input current
VI(OVLO) = 1 V
−1
1
µA
INSERTION DETECTION
VTH
Threshold voltage, VIN rising, INSA, INSB
To GATE pull-down
1.0
1.4
1.8
V
ISRC_INSx INSA, INSB pin pull-up current
VI(INSA) = 0 V, VI(INSB) = 0 V
−14
−11
−8
µA
tD_INS
Insertion delay time, VIN falling, INSA, INSB
To GATE pull-up
1.5
2.5
4.1
ms
LINEAR CURRENT AMPLIFIER (LCA)
VOH
High-level output voltage, GATE
VI(ISENS) = 0 V, IO(GATE) = −10 µA
11
14
17
V
ISINK
Output sink current, linear mode
VI(ISENS) = 80 mV, VO(GATE) = 5 V
VO(FLTTIME) = 2 V
5
10
mA
IFAULT
Output sink current, fault shutdown
VI(ISENS) = 80 mV, VO(GATE) = 5 V
VO(FLTTIME) > 4 V
50
100
mA
II
Input current, ISENS
0 V < VI(ISENS) < 0.2 V
−1
1
µA
VREF_K
Reference clamp voltage
VO(IRAMP) = OPEN
33
40
47
mV
VIO
Input offset voltage
VO(IRAMP) = 2 V
−7
7
mV
RAMP GENERATOR
ISRC1
IRAMP source current, reduced rate turn-on
VO(IRAMP) = 0.25 V
−850
−600
−400
nA
ISRC2
IRAMP source current, normal rate
VO(IRAMP) = 1 V
−11
−10
−9
A
ISRC2
IRAMP source current, normal rate
VO(IRAMP) = 3 V
−11
−10
−9
µA
VOL
Low-level output voltage, IRAMP
VI(EN) = 0 V
2
mV
AV
Voltage gain, relative to ISENS
9.5
10.0
10.5
mV/V
OVERLOAD COMPARATOR
VTH_OL
Current overload threshold, ISENS
80
100
120
mV
tDLY
Glitch filter delay time
VI(ISENS) = 200 mV
2
4
7
µs
(1)
All voltages are with respect to the −VIN terminal, unless otherwise stated.
(2)
Currents are positive into and negative out of the specified terminals.


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