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LT8698S Datasheet(PDF) 4 Page - Analog Devices

Part # LT8698S
Description  5V 3A Output, 42V Input USB Charger with Cable Drop Compensation and Dataline Protection
PDF  40 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LT8698S Datasheet(HTML) 4 Page - Analog Devices

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LT8698S/LT8698S-1
4
Rev. A
For more information www.analog.com
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
FLT Pull Down Resistance
VFLT = 0.1V
l
150
300
Ω
FLT Leakage
VFLT = 4V
1
µA
STATUS Pull Down Resistance
VSTATUS = 0.1V
l
150
300
Ω
STATUS Leakage
VSTATUS = 4V
1
µA
SEL1-3 Low Threshold
VSEL Rising
l
0.48
0.58
0.68
V
SEL1-3 Low Threshold Hysteresis
35
mV
SEL1-3 High Threshold
VSEL Falling
l
1.31
1.41
1.51
V
SEL1-3 High Threshold Hysteresis
35
mV
SEL1-3 Float Voltage
l
0.9
1.0
1.1
V
SEL1-3 Input Current
VSEL = 4V
VSEL = 0V
45
–15
µA
µA
SEL1-3 De-bounce Time
1.25
1.5
1.75
ms
Soft Start Time
0.7
1.1
1.6
ms
DATALINE SWITCHES
VOL, VOH
Signal Range
l
0
3.6
V
Off HD+, HD– Current
VHD+, VHD– = 3.6V, VLD+, VLD– = 0V
VHD+, VHD– = 20V, VLD+, VLD– = 0V
–1
0
0.75
1
1
µA
mA
Off LD+, LD– Current
VHD+, VHD– = 0V, VLD+, VLD– = 3.6V
VHD+, VHD– = 20V, VLD+, VLD– = 0V
–1
–1
0
0
1
1
µA
µA
On Leakage Current
VHD+, VHD– = 3.6V, 0V
–100
0
100
nA
On Resistance
VHD+, VHD– = 0V, 3.6V, ILD+, ILD– = 20mA
3
Ω
On Capacitance to Ground
VHD+, VHD– = 200mVDC, 400mVP-P, 480MHz (Note 5)
6.1
pF
VBUS DISCHARGE
BUS/ISN Discharge Current Sink
VBUS/ISN = 5V
6
9
12
mA
VBUS_LKG
BUS/ISN Discharge Status
Threshold
VBUS/ISN Falling
0.5
0.7
V
BUS/ISN Discharge Status
Threshold Hysteresis
0.35
V
TVLD_VLKG
Maximum BUS/ISN Discharge Time VBUS/ISN = 1V
400
500
ms
TVBUS_REAPP Minimum BUS/ISN Low Time
VBUS/ISN = 1V
100
120
ms
STATUS Oscillation Period
7.5
9
10.5
ms
VBUS OFF
IVBUS_LKG_
SRC
Regulator Output Leakage Current
VBUS/ISN = 0V
VBUS/ISN = 5V
–70
–0.1
15
80
µA
µA
ROTG_VBUS
Regulator Output Resistance
VBUS/ISN = 0.75V
10
350
kΩ
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 2)



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