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LTC2972 Datasheet(PDF) 17 Page - Linear Technology

Part # LTC2972
Description  2-Channel PMBus Power System Manager Featuring Programmable Power Good Outputs
PDF  112 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC2972 Datasheet(HTML) 17 Page - Linear Technology

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LTC2972
17
2972fa
For more information www.linear.com/LTC2972
PIN NAME
PIN NUMBER
PIN TYPE
DESCRIPTION
ASEL0
26
In
Ternary Address Select Pin 0 Input. Connect to VDD33, GND or Float to Encode 1 of 3 Logic States
ASEL1
27
In
Ternary Address Select Pin 1 Input. Connect to VDD33, GND or Float to Encode 1 of 3 Logic States
REFP
28
Out
Reference Voltage Output. Needs 0.1µF Decoupling Capacitor to REFM
REFM
29
Out
Reference Return Pin. Needs 0.1µF Decoupling Capacitor to REFP
ISENSEP0
30*
In
DC/DC Converter Differential (+) Output Current-0 Sensing Pin
ISENSEM0
31*
In
DC/DC Converter Differential (–) Output Current-0 Sensing Pin
ISENSEP1
34*
In
DC/DC Converter Differential (+) Output Current-1 Sensing Pin
ISENSEM1
35*
In
DC/DC Converter Differential (–) Output Current-1 Sensing Pin
VIN_SNS_CAP
1
Out
VIN_SNS Filter Capacitor Pin. Bypass to Ground with a 10nF Ceramic Capacitor
GND
2
Ground
VDAC0
38
Out
DAC0 Output
VDAC1
39
Out
DAC1 Output
IIN_SNSP
43
In
DC/DC Converter Differential (+) Input Current Sensing Pin. If Unused, Connect to VIN_SNS
IIN_SNSM
44
In
DC/DC Converter Differential (–) Input Current Sensing Pin. If Unused, Connect to VIN_SNS
VSENSEP1
36*
In
DC/DC Converter Differential (+) Output Voltage-1 Sensing Pin
VSENSEM1
37*
In
DC/DC Converter Differential (–) Output Voltage-1 Sensing Pin
GND
45
Ground
Exposed Pad. Must Be Soldered to PCB
* Tie any unused VSENSEPn /ISENSEPn, VSENSEMn /ISENSEMn or TSENSEn pins to GND. Refer to Unused ADC Sense Inputs in the Applications Information
section.
PIN FUNCTIONS



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