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LTC7813 Datasheet(PDF) 6 Page - Analog Devices

Part # LTC7813
Description  100V VIN and VOUT Synchronous 4-Switch Multiphase Buck-Boost DC/DC Controller
PDF  59 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTC7813 Datasheet(HTML) 6 Page - Analog Devices

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Data Sheet
LT8210-1
analog.com
Rev. A
6 of 59
(Specifications are at TA = 25°C. VIN = 12V, VINP = 12V, VEN/UVLO = 3.3V, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS/COMMENTS
MIN
TYP
MAX
UNITS
GATEVCCLoad
Regulation
IGATEVCC = 0mA to
50mA
-40°C ≤ TJ ≤ 125°C
1.8
5
%
GATEVCC Regulator
Dropout Voltage
VGATE_VCC_DO
VINP – VGATEVCC:
IGATEVCC = 50mA
-40°C ≤ TJ ≤ 125°C
750
1600
mV
VEXTVCC – VGATEVCC:
IGATEVCC = 50mA
-40°C ≤ TJ ≤ 125°C
600
1400
GATEVCCUndervoltage
Lockout Threshold
VUVLO_TH
Falling
-40°C ≤ TJ ≤ 125°C
3.61
3.75
3.85
V
GATEVCC Undervoltage
Lockout Hysteresis
VUVLO_HYST
0.20
V
GATEVCC Backdrive
Current
IBK_DRV
To VINP Pin, VGATEVCC= 10V, VINP = 0V
40
µA
To EXTVCCPin, VGATEVCC = 10V, VEXTVCC =
0V
3
EXTVCC Switchover
Voltage
VSW_OV_EXTVCC Rising
-40°C ≤ TJ ≤ 125°C
7.3
8
8.8
V
EXTVCC Switchover
Hysteresis
1.2
V
VDD Voltage
VDD
3.15
3.3
3.4
V
VDD Current Limit
IVDD_LIM
VDD= 3V
9
mA
VDD Undervoltage
Lockout Threshold
VUVLO_TH_VDD Falling
2.7
2.8
2.9
V
VDD Undervoltage
Lockout Hysteresis
140
mV
Enable Comparator
EN/UVLO Enable
Threshold
VEN_TH
Rising
-40°C ≤ TJ ≤ 125°C
1.27
1.45
1.61
V
EN/UVLO Enable
Hysteresis
VEN_HYST
100
mV
EN/UVLO Pin Bias
Current
IEN_BIAS
VEN/UVLO = 100V
-40°C ≤ TJ ≤ 125°C
0.1
1
µA
Reverse Input Protection



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