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LTC2978 Datasheet(PDF) 14 Page - Linear Technology

Part # LTC2978
Description  Octal PMBus Power Supply Monitor and Controller with EEPROM
PDF  64 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC2978 Datasheet(HTML) 14 Page - Linear Technology

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LTC2978

2978fa
block DiagraM
15
3.3V REGULATOR
INTERNAL
TEMP
SENSOR
REFERENCE
1.232V
(TYP)
OUTPUT
CONFIG
CLOCK
GENERATION
OSCILLATOR
UVLO
VDD
OPEN-DRAIN
OUTPUT
EEPROM
NONVOLATILE MEMORY
RAM
ADC_RESULTS
MONITOR LIMITS
SERVO TARGETS
PMBus
INTERFACE
(400kHz I2C
COMPATIBLE)
CONTROLLER
PMBus ALGORITHM
FAULT PROCESSOR
WATCHDOG
SEQUENCER
VIN
VDD
VSENSEM0
VSENSEP0
VOUT
VPWR
17
2.5V REGULATOR
VIN
VOUT
VDD33
36 VSENSEP0
37 VSENSEM0
VSENSEP1
VSENSEM1
VSENSEP2
VSENSEM2
VSENSEP3
VSENSEM3
VSENSEP4
VSENSEM4
VSENSEP5
VSENSEM5
VSENSEP6
VSENSEM6
2 VSENSEP7
3 VSENSEM7
VDACP0
VDACP1
VDACP2
VDACP3
VDACP4
VDACP5
VDACP6
VDACP7
VDACM0
VDACM1
VDACM2
VDACM3
VDACM4
VDACM5
VDACM6
VDACM7
4 VOUT_EN0
5 VOUT_EN1
6 VOUT_EN2
7 VOUT_EN3
8 VOUT_EN4
9 VOUT_EN5
10 VOUT_EN6
11 VOUT_EN7
2978 BD
12 VIN_EN
18
VDD25
65
GND
28
SCL
27
SDA
29
ALERTB
32
ASEL0
33
ASEL1
30
CONTROL0
19
WP
31
CONTROL1
WDI/RESET 22
23
FAULTB00
24
FAULTB01
25
FAULTB10
26
FAULTB11
20
21
SHARE_CLK
PWRGD
16
VDD33
14
VIN_SNS
REFP
REFM
3R
R
VSENSEM1
VSENSEP1
VSENSEM2
VSENSEP2
VSENSEM3
VSENSEP3
VSENSEM4
VSENSEP4
VSENSEM5
VSENSEP5
VSENSEM6
VSENSEP6
VSENSEM7
VSENSEP7
15-BIT
∑ ADC
ADC
CLOCKS
VDD
+
–
+
–
MUX
34
35
10-BIT
VDAC
+
–
+
–
SC
CMP0
CMP0
VBUF0
IDAC0
10 BITS
42
43
46
47
48
49
52
53
62
63
64
1
39
40
44
50
55
56
60
38
41
45
51
54
57
58
61
59



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