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LTC7813 Datasheet(PDF) 8 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) 8 Page - Analog Devices

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Data Sheet
LT8210-1
analog.com
Rev. A
8 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
VC1, VC2Output
Impedance
5
MΩ
VC1, VC2Maximum
Sourcing Current
IVC1_SOURCE
IVC2_SOURCE
VFB1 = VFB2 = 0V
35
µA
VC1, VC2Maximum
Sinking Current
IVC1_SINK
IVC2_SINK
VFB1 = VFB2= 2V
–35
µA
Soft-Start Charging
Current
ISS
VSS = 0.5V
-40°C ≤ TJ ≤ 125°C
3.5
5
6
µA
Soft-Start Pull-Down
Resistance
RSS_PD
140
250
Ω
Average Current Monitoring / Sharing / Limiting
SNSP2, SNSN2
Operating Voltage
Range
VSNSP2_OPR
VSNSN2_OPR
-40°C ≤ TJ ≤ 125°C
0
100
V
SNSP2, SNSN2 Pin
Bias Current
IB_SNSP2
VSNSP2 = VSNSN2 = 100V
1
3
µA
IB_SNSN2
VSNSP2 = VSNSN2= 0V
–3
0
IMON Output Current
IMON
VSNSP2 – VSNSN2=
150mV
-40°C ≤ TJ ≤ 125°C
84
90
95
µA
VSNSP2 – VSNSN2 =
50mV
-40°C ≤ TJ ≤ 125°C
27
30
33
VSNSP2 – VSNSN2 =
10mV
-40°C ≤ TJ ≤ 125°C
4
6
8
Current Sharing
Mismatch (VSNSP2–
VSNSN2)
VSNSP2 – VSNSN2= 50mV, RIMON = 11kΩ
5
mV
IMON DC CMRR
VSNSP2 – VSNSN2 = 150mV, VSNSP2 = 3V
to 100V
110
dB
IMON Step Response
Time
Step VSNSP2 – VSNSN2 from 0mV to
150mV
2
ms



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