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LTM4631 датащи(PDF) 6 Page - Analog Devices

номер детали LTM4631
подробное описание детали  Ultrathin Dual 14A or Single 28A 關Module Regulator with Digital Power System Management
PDF  130 Pages
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производитель  AD [Analog Devices]
домашняя страница  http://www.analog.com
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LTM4631 датащи(HTML) 6 Page - Analog Devices

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LTM4686B
6
Rev. 0
For more information www.analog.com
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the specified
internal operating temperature range (Note 2). Specified as each individual output channel (Note 4). TA = 25°C, VIN = 5V, RUNn = 5V,
FREQUENCY_SWITCH = 1MHz, VOUT_COMMANDn = 1V and VOUT_UV_FAULT_RESPONSEn = TON_MAX_FAULT_RESPONSEn = 0x00
unless otherwise noted. All other command codes configured per factory-default EEPROM settings unless otherwise noted. Tested per
Circuit 1, unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX UNITS
VUV–RNG
Output UV Comparator
Threshold Detection
Range
(Note 15)
High Range Scale, MFR_PWM_MODEn[1] = 0b
Low Range Scale, MFR_PWM_MODEn[1] = 1b
1
0.5
3.6
2.7
V
V
VUV–ACC
Output UV Comparator
Threshold Accuracy
(See Note 14)
2V ≤ VVOSNS0+ – VVOSNS0– ≤ 3.6V, MFR_PWM_MODE0[1] = 0b
1V ≤ VVOSNS0+ – VVOSNS0– ≤ 2.7V, MFR_PWM_MODE0[1] = 1b
0.5V ≤ VVOSNS0+ – VVOSNS0– < 1V, MFR_PWM_MODE0[1] = 1b
2V ≤ VVOSNS1 – VSGND ≤ 3.6V, MFR_PWM_MODE1[1] = 0b
1.5V ≤ VVOSNS1 – VSGND ≤ 2.7V, MFR_PWM_MODE1[1] = 1b
0.5V ≤ VVOSNS1 – VSGND < 1.5V, MFR_PWM_MODE1[1] = 1b
l
l
l
l
l
l
±2
±2
±20
±2
±2
±30
%
%
mV
%
%
mV
tPROP–OV
Output OV Comparator
Response Times
Overdrive to 10% Above Programmed Threshold
35
µs
tPROP–UV
Output UV Comparator
Response Times
Underdrive to 10% Below Programmed Threshold
50
µs
SVIN OV/UV Analog Input Voltage Supervisor Comparators (Threshold Detectors for VIN_ON and VIN_OFF)
NSVIN–OV/
UV–COMP
SVIN OV/UV
Comparator
Threshold-
Programming
Resolution
(Note 15)
8
Bits
SVIN–OU–RANGE
SVIN OV/UV
Comparator
Threshold-
Programming Range
l
4.5
5.75
V
SVIN–OU–STP
SVIN OV/UV
Comparator
Threshold-
Programming LSB
Step Size
(Note 15)
82
mV
SVIN–OU–ACC
SVIN OV/UV
Comparator Threshold
Accuracy
4.5V ≤ SVIN ≤ 5.75V
l
±225
mV
tPROP–SVIN–LOW–
VIN
SVIN OV/UV
Comparator
Response Time,
Low VIN Operating
Configuration
Test Circuit 1, and:
VIN_ON = 4.5V; SVIN Driven from 4.225V to 4.725V
VIN_OFF = 4.5V; SVIN Driven from 4.725V to 4.225V
l
l
35
35
µs
µs
Channels 0 and 1 Output Voltage Readback (READ_VOUT
n)
NVO–RB
Output Voltage
Readback Resolution
and LSB Step Size
(Note 15)
16
244
Bits
µV
VO–F/S
Output Voltage
Full-Scale Digitizable
Range
VRUNn = 0V (Notes 7, 15)
8
V
VO–RB–ACC
Output Voltage
Readback Accuracy
Channel 0: 1V ≤ VVOSNS0+ – VVOSNS0– ≤ 3.6V
Channel 0: 0.5V ≤ VVOSNS0+ – VVOSNS0– < 1V
Channel 1: 1V ≤ VVOSNS1 – VSGND ≤ 3.6V
Channel 1: 0.5V ≤ VVOSNS1 – VSGND < 1V
l
l
l
l
Within±0.5%ofReading
Within±5mVofReading
Within±0.5%ofReading
Within±5mVofReading
tCONVERT–VO–RB Output Voltage
Readback Update Rate
MFR_ADC_CONTROL = 0x00 (Notes 9, 15)
MFR_ADC_CONTROL = 0x0D (Notes 9, 15)
MFR_ADC_CONTROL = 0x05 or 0x09 (Notes 9, 15)
90
27
8
ms
ms
ms



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