ltc2978 Linear Technology Corporation, ltc2978 Datasheet - Page 3

• Manufacturer Part Number: ltc2978
• Description: Octal Pmbus Power Supply Monitor And Controller With Eeprom
• Manufacturer: Linear Technology Corporation

absoluTe MaxiMuM raTings
(Notes 1, 2)
Supply Voltages:
Digital Input/Output Voltages:
Analog Voltages:
Operating Temperature Range:
Storage Temperature Range .................. –65°C to 125°C
orDer inForMaTion
LEAD FREE FINISH
LTC2978CUP#PBF
LTC2978IUP#PBF
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to:
For more information on tape and reel specifications, go to:
V
V
V
V
ALERTB, SDA, SCL, CONTROL0,
CONTROL1 ............................................ –0.3V to 5.5V
PWRGD, SHARE_CLK,
WDI, WP ..................................–0.3V to V
FAULTB00, FAULTB01, FAULTB10,
FAULTB11 ................................–0.3V to V
ASEL0, ASEL1 ..........................–0.3V to V
REFP ................................................... –0.3V to 1.35V
REFM to GND ........................................ –0.3V to 0.3V
V
V
V
V
V
V
LTC2978C ................................................ 0°C to 70°C
LTC2978I .............................................–40°C to 85°C
PWR
IN_SNS
DD33
DD25
SENSEP[7:0]
SENSEM[7:0]
OUT_EN[3:0]
OUT_EN[7:4]
DACP[7:0]
DACM[7:0]
to GND ......................................... –0.3V to 15V
to GND ....................................... –0.3V to 3.6V
to GND ..................................... –0.3V to 2.75V
to GND ..................................... –0.3V to 15V
to GND .................................... –0.3V to 6V
to GND ............................... –0.3V to 0.3V
, V
to GND ................................. –0.3V to 6V
to GND ................................. –0.3V to 6V
to GND ................................ –0.3V to 6V
IN_EN
TAPE AND REEL
LTC2978CUP#TRPBF
LTC2978IUP#TRPBF
to GND .................. –0.3V to 15V
http://www.linear.com/leadfree/
PART MARKING*
LTC2978
LTC2978
DD33
DD33
DD33
http://www.linear.com/tapeandreel/
+ 0.3V
+ 0.3V
+ 0.3V
pin conFiguraTion
V
V
V
V
V
V
V
V
V
V
V
OUT_EN6
OUT_EN7
V
SENSEM6
SENSEM7
OUT_EN0
OUT_EN1
OUT_EN2
OUT_EN3
OUT_EN4
OUT_EN5
SENSEP7
V
IN_SNS
V
V
IN_EN
DD33
PACKAGE DESCRIPTION
64-Lead (9mm × 9mm) Plastic QFN
64-Lead (9mm × 9mm) Plastic QFN
DNC 13
PWR
10
11
12
14
15
16
1
2
3
4
5
6
7
8
9
EXPOSED PAD (PIN 65) IS GND, MUST BE SOLDERED TO PCB
64-LEAD (9mm 9mm) PLASTIC QFN
T
JMAX
= 125°C, θ
UP PACKAGE
TOP VIEW
65
JA
= 28°C/W
TEMPERATURE RANGE
0°C to 70°C
–40°C to 85°C
LTC2978
48 V
47 V
46 V
45 V
44 V
43 V
42 V
41 V
40 V
39 V
38 V
37 V
36 V
35 REFM
34 REFP
33 ASEL1
SENSEP3
SENSEM2
SENSEP2
DACM2
DACP2
SENSEM1
SENSEP1
DACM1
DACP1
DACP0
DACM0
SENSEM0
SENSEP0
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