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ISOW7842FDWE Datasheet(PDF) 11 Page - Texas Instruments

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Part # ISOW7842FDWE
Description  High-Performance, 5000-VRMS Reinforced Quad-Channel Digital Isolators With Integrated High-Efficiency, Low-Emissions DC-DC Converter
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

ISOW7842FDWE Datasheet(HTML) 11 Page - Texas Instruments

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ISOW7840, ISOW7841, ISOW7842, ISOW7843, ISOW7844
www.ti.com
SLLSEY2 – MARCH 2017
Product Folder Links: ISOW7840 ISOW7841 ISOW7842 ISOW7843 ISOW7844
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Copyright © 2017, Texas Instruments Incorporated
(1)
VSI= input side supply; VSO= output side supply
(2)
Current available to load should be derated by 2 mA/°C for TA > 115°C.
7.11 DC Electrical Characteristics—3.3-V Input, 3.3-V Output
These specifications are for the ISOW7841 and ISOW7841F devices only; VCC = 3.3 V ±10%, SEL shorted to GND2 (over
recommended operating conditions, unless otherwise specified)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ICC
Current drawn from supply
No external IISO; VI = 0 V (ISOW7841); VI =
VS
(1) (ISOW7841 with F suffix)
26
mA
No external IISO; VI = VSI (ISOW7841); VI = 0 V
(ISOW7841 with F suffix)
20
All channels switching with square wave clock
input of 0.5 MHz; CL = 15 pF,
No external IISO
23
All channels switching with square wave clock
input of 5 MHz; CL = 15 pF,
No external IISO
26
All channels switching with square wave clock
input of 50 MHz; CL = 15 pF,
No external IISO
53
IISO(OUT)
(2)
Current available to isolated
supply
VI = 0 V (ISOW7841); VI = VSI (ISOW7841 with
F suffix)
73
mA
VI = VSI(ISOW7841); VI = 0 V (ISOW7841 with
F suffix)
75
All channels switching with square wave clock
input of 0.5 MHz; CL= 15 pF
74
All channels switching with square wave clock
input of 5 MHz; CL = 15 pF
73
All channels switching with square wave clock
input of 50 MHz; CL = 15 pF
61
VISO
Isolated supply voltage
External IISO = 0 to 30 mA
3.13
3.34
3.58
V
External IISO = 0 to 75 mA
3
3.34
3.58
VISO(LINE)
DC line regulation
IISO = 30 mA, VCC = 3 V to 3.6 V
2
mV/V
VISO(LOAD)
DC load regulation
IISO = 0 to 75 mA
1%
EFF
Efficiency at maximum load
current
IISO = 75 mA, CLOAD = 0.1 µF || 10 µF;
VI = VSI (ISOW7841); VI = 0 V (ISOW7841 with
F suffix)
47%
VCC+(UVLO)
Positive-going UVLO threshold
on VCC, VISO
2.7
V
VCC–(UVLO)
Negative-going UVLO threshold
on VCC, VISO
2.1
V
VHYS (UVLO)
UVLO threshold hysteresis on
VCC, VISO
0.2
V
VITH
Input pin rising threshold
0.7
VSI
VITL
Input pin falling threshold
0.3
VSI
VI(HYS)
Input pin threshold hysteresis
(INx)
0.1
VSI
IIL
Low level input current
VIL = 0 at INx or SEL
–10
µA
IIH
High level input current
VIH = VSI
(1) at INx or SEL
10
µA
VOH
High level output voltage
IO = –2 mA, see Figure 24
VSO
(1)
0.3
VSO
0.1
V
VOL
Low level output voltage
IO = 2 mA, see Figure 24
0.1
0.3
V
CMTI
Common mode transient
immunity
VI = VSI or 0 V, VCM = 1000 V; see Figure 25
100
kV/us
ICC_SC
DC current from supply under
short circuit on VISO
VISO shorted to GND2
143
mA
VISO(RIP)
Output ripple on isolated supply
(pk-pk)
20-MHz bandwidth, CLOAD = 0.1 µF || 20 µF,
IISO = 75 mA
90
mV


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