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LTC2972 Datasheet(PDF) 15 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) 15 Page - Linear Technology

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LTC2972
15
2972fa
For more information www.linear.com/LTC2972
TYPICAL PERFORMANCE CHARACTERISTICS
Voltage Sense Input Currents vs
Differential Input Voltage
Voltage Sense Differential Input
Current vs Differential Input Voltage
Current Sense Input Currents vs
Common Mode Voltage
Current Sense Differential Input
Current vs Differential Input Voltage
IMON Sense Input Currents vs
Differential Input Voltage
VOUT_EN[1:0] Output Voltage
vs VDD33
Closed-Loop Servo Error
IVSENSEM0
IVSENSEP0
VOLTAGE SUPERVISOR LOW RES MODE
VSENSEM0 = 0V
VSENSEP0 – VSENSEM0 (V)
0
1
2
3
4
5
6
–12
–9
–6
–3
0
3
6
9
12
15
2972 G28
VOLTAGE SUPERVISOR LOW RES MODE
VSENSEM0 = 0V
DIFFERENTIAL INPUT VOLTAGE (V)
0
1
2
3
4
5
6
0
5
10
15
20
25
2972 G29
IVSENSEM0
IVSENSEP0
DIFFERENTIAL INPUT VOLTAGE = 0V
COMMON MODE VOLTAGE (V)
0
1
2
3
4
5
6
0
0.1
0.2
0.3
0.4
0.5
2972 G30
VISENSEM0 = 2.5V
DIFFERENTIAL INPUT VOLTAGE (mV)
0
25
50
75
100 125 150 175
–0.20
–0.15
–0.10
–0.05
0.00
0.05
0.10
0.15
0.20
2972 G31
ISENSEM0
ISENSEP0
IMON MODE
VISENSEM0 = 0V
VISENSEP0 – VISENSEM0 (V)
0
1
2
3
4
5
6
–4
–3
–2
–1
0
1
2
3
4
2972 G32
VOUT_ENn WITH 10k
PULL–UP TO VDD33
VOUT_EN[1:0]
VDD33
VDD33 VOLTAGE (V)
0
0.5
1
1.5
2
0
0.2
0.4
0.6
0.8
1.0
2972 G33
80 PARTS SOLDERED DOWN
VIN = 1.0V
ERROR (%)
–0.25
–0.15
–0.05
0.05
0.15
0.25
0
10
20
30
40
50
2972 G34



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