Datasheet
LTC3880/LTC3880-1
4
3880fc
For more information www.linear.com/LTC3880
V
IN
Voltage ................................................. –0.3V to 28V
Topside Driver Voltages
BOOST1, BOOST0 .................................. –0.3V to 34V
Switch Voltage (SW1, SW0) .......................... –5V to 28V
EXTV
CC
, INTV
CC
, (BOOST1 – SW1),
(BOOST0 – SW0) ......................................... –0.3V to 6V
V
SENSE0
+
, V
SENSE1
, I
SENSE0n
, I
SENSE1n
.......... –0.3V to 6V
RUN0, RUN1, SDA, SCL, ALERT ................ –0.3V to 5.5V
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION JUNCTION TEMPERATURE RANGE
LTC3880EUJ#PBF LTC3880EUJ#TRPBF LTC3880UJ
40-Lead (6mm × 6mm) Plastic QFN
–40°C to 105°C
LTC3880IUJ#PBF LTC3880IUJ#TRPBF LTC3880UJ
40-Lead (6mm × 6mm) Plastic QFN
–40°C to 125°C
LTC3880EUJ-1#PBF LTC3880EUJ-1#TRPBF LTC3880UJ-1
40-Lead (6mm × 6mm) Plastic QFN
–40°C to 105°C
LTC3880IUJ-1#PBF LTC3880IUJ-1#TRPBF LTC3880UJ-1
40-Lead (6mm × 6mm) Plastic QFN
–40°C to 125°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/
ABSOLUTE MAXIMUM RATINGS
LTC3880 LTC3880-1
3940 38 37 36 35 34 33 32 31
11 20
12 13 14 15
TOP VIEW
41
SGND
UJ PACKAGE
40-LEAD (6mm × 6mm) PLASTIC QFN
16 17 18 19
22
23
24
25
26
27
28
29
9
8
7
6
5
4
3
2
V
SENSE0
+
V
SENSE0
–
I
SENSE1
+
I
SENSE1
–
I
TH0
I
SENSE0
+
I
SENSE0
–
SYNC
SCL
SDA
TG1
SW1
TSNS1
V
SENSE1
I
TH1
V
DD33
SHARE_CLK
WP
V
DD25
V
TRIM1_CFG
TSNS0
SW0
TG0
BOOST0
BG0
V
IN
PGND
INTV
CC
BG1
BOOST1
ALERT
GPIO0
GPIO1
RUN0
RUN1
ASEL
FREQ_CFG
V
OUT0_CFG
V
OUT1_CFG
V
TRIM0_CFG
21
30
10
1
T
JMAX
= 125°C, θ
JA
= 33°C/W, θ
JC
= 2.5°C/W
EXPOSED PAD (PIN 41) IS SGND, MUST BE SOLDERED TO PCB
3940 38 37 36 35 34 33 32 31
11 20
12 13 14 15
TOP VIEW
41
SGND
UJ PACKAGE
40-LEAD (6mm × 6mm) PLASTIC QFN
16 17 18 19
22
23
24
25
26
27
28
29
9
8
7
6
5
4
3
2
V
SENSE0
+
V
SENSE0
–
I
SENSE1
+
I
SENSE1
–
I
TH0
I
SENSE0
+
I
SENSE0
–
SYNC
SCL
SDA
TG1
SW1
TSNS1
V
SENSE1
I
TH1
V
DD33
SHARE_CLK
WP
V
DD25
V
TRIM1_CFG
TSNS0
SW0
TG0
BOOST0
BG0
V
IN
PGND
EXTV
CC
BG1
BOOST1
ALERT
GPIO0
GPIO1
RUN0
RUN1
ASEL
FREQ_CFG
V
OUT0_CFG
V
OUT1_CFG
V
TRIM0_CFG
21
30
10
1
T
JMAX
= 125°C, θ
JA
= 33°C/W, θ
JC
= 2.5°C/W
EXPOSED PAD (PIN 41) IS SGND, MUST BE SOLDERED TO PCB
PIN CONFIGURATION
(Note 1)
FREQ_CFG, V
OUTn_CFG
, V
TRIMn_CFG
,
ASEL, V
DD25
............................................ –0.3V to 2.75V
V
DD33
, GPIO0, GPIO1, TSNS0, TSNS1, V
SENSE0
–
,
SHARE_CLK, WP, SYNC, ITHn ................. –0.3V to 3.6V
INTV
CC
Peak Output Current ................................100mA
Operating Junction Temperature Range
(Note 2) .................................................. –40°C to 125°C
Storage Temperature Range .................. –40°C to 125°C