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LTC4449 Datasheet(PDF) 75 Page - Linear Technology

Part # LTC4449
Description  Dual Output PolyPhase Step-Down DC/DC Voltage Mode Controller with Digital Power System Management
PDF  108 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4449 Datasheet(HTML) 75 Page - Linear Technology

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LTC3882-1
75
Rev A
For more information www.analog.com
MFR_PWM_CONFIG_LTC3882-1
The MFR_PWM_CONFIG_LTC3882-1 command controls PWM-related clocking for the LTC3882-1. Both PWM chan-
nels must be turned off by the RUNn pins, OPERATION command, or their combination, to process this command. If
this command is sent while either PWM controller is operating, the LTC3882-1 will NACK the command byte, ignore
the command and its data, and assert a BUSY fault.
Supported Values:
BIT
MEANING
7
(Reserved, must write as 0).
6
(Reserved, must write as 0).
5
(Reserved).
4
SHARE_CLK configuration:
0: SHARE_CLK continuously enabled once VINSNS ≥ VIN_ON after initialization.
1: SHARE_CLK always forced low if VINSNS ≤ VIN_OFF, then held low until VINSNS ≥ VIN_ON.
3
(Reserved).
2:0
Value
Phase
Maximum Duty
Cycle
Channel 0
Channel 1
111b
135°
315°
87.5%
110b
90°
270°
101b
45°
225°
100b
0°
180°
011b
120°
300°
83.3%
010b
60°
240°
001b
0°
180°
000b
0°
120°
Phase is expressed from the falling edge of SYNC to the falling edge of PWM.
This command has one data byte.
PMBus COMMAND DETAILS (PWM Configuration)



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