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LT3757 Datasheet(PDF) 6 Page - Analog Devices

Part # LT3757
Description  PolyPhase Synchronous Boost Controller with PMBus Interface
PDF  48 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LT3757 Datasheet(HTML) 6 Page - Analog Devices

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LTC7841
6
Rev. 0
For more information www.analog.com
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VOUT_TUE
Total Unadjusted Error
l
±1.2
%
TCONVERT
Conversion Time
40
ms
Input Voltage Readback (VBIAS)
N
Resolution
LSB Step Size
13
10
Bits
mV
Readback Voltage Range
Diode connected between INTVCC and VCCF pins
No diode
l
l
60
55
V
V
VIN_TUE
Total Unadjusted Error
l
±1.6
%
TCONVERT
Conversion Time
40
ms
Output Current Readback
N
Resolution
LSB Step Size
VSENSE+ – VSENSE–
13
50
Bits
μV
VF/S
Full Scale Sense Voltage
±1.638
V
IOUT_TUE
Total Unadjusted Error
VSENSE+ – VSENSE– > 25mV
±2
%
TCONVERT
Conversion Time
40
ms
Input Current Readback
N
Resolution
LSB Step Size
VSENSE+ – VSENSE–
13
50
Bits
μV
VF/S
Full Scale Sense Voltage
±1.638
V
IIN_TUE
Total Unadjusted Error
VSENSE+ – VSENSE– > 25mV
|VSENSE+ – VSENSE–| < 25mV
l
l
±2
±0.5
%
mV
TCONVERT
Conversion Time
40
ms
Internal Temperature Readback
N
Resolution
LSB Step Size
9
1
Bits
°C
VF/S
Full Scale Temperature
±256
°C
TIN_TUE
Internal Temperature Total Unadjusted
Error
±3
°C
TCONVERT
Conversion Time
40
ms
External Temperature Sense (TSNS pin) Readback
N
Resolution
LSB Step Size
10
4
Bits
mV
VF/S
Full Scale Voltage
4.096
V
TEXT_TUE
TSNS Voltage Total Unadjusted Error RTSNS = 50kΩ
±5
%
TCONVERT
Conversion Time
40
ms
ITSNS
TSNS Pin Source Current
20
µA
PMBus Interface Parameters
VIH, SDA, SCL Input High Voltage
2.1
V
VIL, SDA, SCL Input Low Voltage
0.8
V
IIH, SDA, SCL Input Leakage Current
5
5
µA
VOL, SDA
Output Low Voltage (SDA)
Sinking 3mA
0.4
V
VOL, ALERT
Output Low Voltage (ALERT)
Sinking 1mA
0.4
V
fSCL
Serial Bus Operating Frequency
10
400
kHz
The l denotes the specifications which apply over the specified operating
temperature range, otherwise specifications are at TA = 25°C. VIN = 12V, VRUN = 5V, EXTVCC = 0V unless otherwise noted. (Note 2)



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