Analog Devices LTM4683 Manual page 7

ELECTRICAL CHARACTERISTICS
operating temperature range (Note 2). Specified as each individual output channel (Note 4). T
RUNP = 12V, FREQUENCY_SWITCH = 425kHz and V
EEPROM settings and per Test Circuit 1, unless otherwise noted.
SYMBOL PARAMETER
Analog OV/UV SV Input Voltage Supervisor Comparators (Threshold Detectors for VIN_ON and VIN_OFF)
IN_nn
N SV OV/UV Comparator
SVIN-OV/UV-COMP IN_nn
Threshold-Programming Resolution
SV SV OV/UV Comparator
IN-OU-RANGE IN_nn
Threshold-Programming Range
SV SV OV/UV Comparator Threshold-
IN-OU-STP IN_nn
Programming LSB Step Size
SV SV OV/UV Comparator
IN-OU-ACC IN_nn
Threshold Accuracy
t SV OV/UV Comparator
PROP-SVIN-HIGH-VIN IN_nn
Response Time, High V
Configuration
t SV OV/UV Comparator
PROP-SVIN-LOW-VIN IN_nn
Response Time, Low V
Configuration
Channel n Output Voltage Readback (READ_VOUTn)
N Output Voltage Readback Resolution
VO-RB
and LSB Step Size
V Output Voltage Full-Scale
O-F/S
Digitizable,Range
V Output Voltage Readback Accuracy
O-RB-ACC
t Output Voltage Readback
CONVERT-VO-RB
Update,Rate
Input Voltage SV Readback (READ_VIN)
IN_nn
N Input Voltage Readback Resolution
SVIN-RB
and LSB Step Size
SV Input Voltage Full-Scale
IN-F/S
Digitizable,Range
SV Input Voltage Readback Accuracy
IN-RB-ACC
t Input Voltage Readback Update Rate MFR_ADC_CONTROL = 0x00, (Notes 9, 14)
CONVERT-SVIN-RB
Channeln Output Current (READ_IOUTn), Duty Cycle (READ_DUTY_CYCLEn) and Computed Input Current (MFR_READ_IINn) Readback
N Output Current Readback Resolution
IO-RB
and LSB Step Size
I Output Current Full-Scale
OUT-F/S
Digitizable,Range
I Output Current, Readback Accuracy
OUT-RB-ACC
I (31.25A) Full Load Output Current Readback
OUT-RB
The denotes the specifications which apply over the specified internal
l
commanded to 0.5V unless otherwise noted. Configured with factory-default
OUTn
CONDITIONS
(Note 14)
Limited to Abs Max = 16V
(Note 14)
9V < SV ≤ 16V
IN
4.5V ≤ SV ≤ 9V
IN
Test Circuit 1, and:
Operating VIN_ON = 9V; SV
IN
VIN_OFF = 9V; SV
Test Circuit 2, and:
Operating VIN_ON = 4.5V; SV
IN
VIN_OFF = 4.5V; SV
(Note 14)
V = 0V, (Note 14), Limited to 1.0V Max Operating
RUNn
Channel n: 0.3V ≤ V
MFR_ADC_CONTROL = 0x00, (Notes 9, 14)
MFR_ADC_CONTROL = 0x01 through 0x0C, (Notes 9, 14),
MFR_ADC_CONTROL Section
(Notes 10, 14), Limited to Abs Max = 16V
(Notes 11, 14), Limited to 14V Operating
READ_VIN, 4.5V ≤ SV
MFR_ADC_CONTROL = 0x01, (Notes 9, 14)
(Notes 10, 14)
(Note 14),
Utilizing MFR_PWM_MODE[7] = 1, Using IOUT_OC_
FAULT_LIMIT = 61A, Page 96
READ_IOUTn, Channel 0 to Channel 3, 0 ≤ I
Forced Continuous Mode, MFR_PWM_MODEn[0] = 1b
See Histograms in Typical Performance Characteristics,
(Note 12)
(Note 12), See Histograms in Typical Performance
Characteristics
For more information
= 25°C, V
A
Driven from 8.775V to 9.225V
IN
Driven from 9.225V to 8.775V
IN
Driven from 4.225V to 4.725V
IN
Driven from 4.725V to 4.225V
IN
+ –
– V < 0.7V
VOSNS VOSNS
≤ 14V
IN
≤ 25A,
OUTn
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LTM4683
, SV = 12V, RUNn = 3.3V,
IN IN
MIN TYP MAX UNITS
9
4.5 16
l
76
±3
l
±270
l
100
l
100
l
100
l
100
l
16
244
8
Within ±3.5mV of Reading
l
90
8
10
15.625
43
Within ±2% of Reading
l
90
8
10
34.1
54
Within 1.5A of Reading
l
31.25
Rev. 0
7
Bits
V
mV
%
mV
µs
µs
µs
µs
Bits
µV
V
ms
ms
Bits
mV
V
ms
ms
Bits
mA
A
A