Analog Devices Linear ADI Power LTM4681 Manual page 7

ELECTRICAL CHARACTERISTICS
operating temperature range (Note 2). Specified as each individual output channel (Note 4). T
RUNP = 0, FREQUENCY_SWITCH = 350kHz and V
EEPROM settings and per Test Circuit 1, unless otherwise noted.
SYMBOL PARAMETER
t Output OV Comparator Response
PROP-OV
Times
t Output UV Comparator Response
PROP-UV
Times
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
Channeln Output Voltage Readback (READ_VOUTn)
N Output Voltage Readback Resolution
VO-RB
and LSB Step Size
V Output Voltage Full-Scale Digitizable
O-F/S
Range
V Output Voltage Readback Accuracy
O-RB-ACC
t Output Voltage Readback Update
CONVERT-VO-RB
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 Digitizable
IN-F/S
Range
SV Input Voltage Readback Accuracy
IN-RB-ACC
t Input Voltage Readback Update Rate MFR_ADC_CONTROL = 0x00 (Notes 9, 15)
CONVERT-SVIN-RB
Channel n Output Current (READ_IOUTn), Duty Cycle (READ_DUTY_CYCLE
N Output Current Readback Resolution
IO-RB
and LSB Step Size
The denotes the specifications which apply over the specified internal
l
commanded to 1.000V unless otherwise noted. Configured with factory-default
OUTn
CONDITIONS
Overdrive to 10% Above Programmed Threshold
Under Drive to 10% Below Programmed Threshold
(Notes 14, 15)
Limited to Abs Max = 18V for LTM4681 Module
(Note 15)
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 15)
V = 0V (Note 15), Limited to 3.6V Max Operating
RUNn
Channel n: 1V ≤ V
Channel n: 0.5V ≤ V
MFR_ADC_CONTROL = 0x00 (Notes 9, 15)
MFR_ADC_CONTROL = 0x01 through 0x0C (Notes 9, 15)
MFR_ADC_CONTROL Section
(Notes 10, 15) Limited to Abs Max = 18V for
LTM4681 Module
(Notes 11, 15)
READ_VIN, 4.5V ≤ SV
MFR_ADC_CONTROL = 0x01 (Notes 9, 15)
), and Computed Input Current (MFR_READ_IINn) Readback
n
(Notes 10, 15)
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 ≤ 3.3V
VOSNS VOSNS
+ –
– V < 1V
VOSNS VOSNS
≤ 16V
IN
www.analog.com
LTM4681
= 12V, RUNn = 3.3V,
IN
MIN TYP MAX UNITS
100
100
9
4.5 18
l
76
±3
l
±270
l
100
l
100
l
100
l
100
l
16
244
8
Within ±0.5% of Reading
l
Within ±5mV of Reading
l
90
8
10
15.625
43
Within ±2% of Reading
l
90
8
10
34.1
Rev. A
7
µs
µs
Bits
V
mV
%
mV
µs
µs
µs
µs
Bits
µV
V
ms
ms
ms
Bits
mV
V
ms
ms
Bits
mA