LTC2978C View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC2978C' PDF : 64 Pages View PDF
LTC2978
Absolute Maximum Ratings
(Notes 1, 2)
Supply Voltages:
VPWR to GND.......................................... –0.3V to 15V
VIN_SNS to GND...................................... –0.3V to 15V
VDD33 to GND........................................ –0.3V to 3.6V
VDD25 to GND...................................... –0.3V to 2.75V
Digital Input/Output Voltages:
ALERTB, SDA, SCL, CONTROL0,
CONTROL1............................................. –0.3V to 5.5V
PWRGD, SHARE_CLK,
WDI/RESETB, WP.....................–0.3V to VDD33 + 0.3V
FAULTB00, FAULTB01, FAULTB10,
FAULTB11.................................–0.3V to VDD33 + 0.3V
ASEL0, ASEL1...........................–0.3V to VDD33 + 0.3V
Analog Voltages:
REFP.................................................... –0.3V to 1.35V
REFM to GND......................................... –0.3V to 0.3V
VSENSEP[7:0] to GND.................................. –0.3V to 6V
VSENSEM[7:0] to GND................................. –0.3V to 6V
VOUT_EN[3:0], VIN_EN to GND................... –0.3V to 15V
VOUT_EN[7:4] to GND.................................. –0.3V to 6V
VDACP[7:0] to GND..................................... –0.3V to 6V
VDACM[7:0] to GND ................................. –0.3V to 0.3V
Operating Junction Temperature Range:
LTC2978C................................................. 0°C to 70°C
LTC2978I..............................................–40°C to 85°C
Storage Temperature Range................... –65°C to 125°C
Pin Configuration
TOP VIEW
VSENSEM6 1
48 VSENSEP3
VSENSEP7 2
47 VSENSEM2
VSENSEM7 3
46 VSENSEP2
VOUT_EN0 4
45 VDACM2
VOUT_EN1 5
44 VDACP2
VOUT_EN2 6
43 VSENSEM1
VOUT_EN3 7
42 VSENSEP1
VOUT_EN4 8
65
41 VDACM1
VOUT_EN5 9
40 VDACP1
VOUT_EN6 10
39 VDACP0
VOUT_EN7 11
38 VDACM0
VIN_EN 12
37 VSENSEM0
DNC 13
36 VSENSEP0
VIN_SNS 14
35 REFM
VPWR 15
34 REFP
VDD33 16
33 ASEL1
UP PACKAGE
64-LEAD (9mm × 9mm) PLASTIC QFN
TJMAX = 125°C, θJC-TOP = 7°C/W, θJC-BOTTOM = 1°C/W
EXPOSED PAD (PIN 65) IS GND, MUST BE SOLDERED TO PCB
Order Information
LEAD FREE FINISH
TAPE AND REEL
PART MARKING* PACKAGE DESCRIPTION
TEMPERATURE RANGE JUNCTION
LTC2978CUP#PBF
LTC2978CUP#TRPBF LTC2978UP
64-Lead (9mm × 9mm) Plastic QFN 0°C to 70°C
LTC2978IUP#PBF
LTC2978IUP#TRPBF LTC2978UP
64-Lead (9mm × 9mm) Plastic QFN –40°C to 85°C
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: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
2978fd
4
For more information www.linear.com/LTC2978
Share Link: 
