Datasheet

LTC3866
2
3866fb
ABSOLUTE MAXIMUM RATINGS
Input Supply Voltage .................................. –0.3V to 40V
Topside Driver Voltage (BOOST)
................ –0.3V to 46V
Switch Voltage(SW)
..................................... –5V to 40V
INTV
CC
, EXTV
CC
, RUN, PGOOD,
BOOST-SW Voltages
.................................... –0.3V to 6V
SNSD
+
, SNSA
+
, SNS
–
Voltages ............. –0.3V to INTV
CC
MODE/PLLIN, ILIM, TK/SS, FREQ,
DIFFOUT Voltages
................................. –0.3V to INTV
CC
(Note 1)
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3866EFE#PBF LTC3866EFE#TRPBF LTC3866FE 24-Lead Plastic TSSOP –40°C to 125°C
LTC3866IFE#PBF LTC3866IFE#TRPBF LTC3866FE 24-Lead Plastic TSSOP –40°C to 125°C
LTC3866EUF#PBF LTC3866EUF#TRPBF 3866
24-Lead (4mm × 4mm) Plastic QFN
–40°C to 125°C
LTC3866IUF#PBF LTC3866IUF#TRPBF 3866
24-Lead (4mm × 4mm) Plastic QFN
–40°C to 125°C
Consult LT C Marketing
for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LT C 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/
DIFFP, DIFFN .........................................–0.3V to INTV
CC
ITEMP, ITH, V
FB
Voltages .................... –0.3V to INTV
CC
INTV
CC
Peak Output Current ..............................100mA
Operating Junction Temperature Range
(Notes 2, 4)
............................................ –40°C to 125°C
Storage Temperature Range
.................. –65°C to 125°C
Lead Temperature (Soldering, 10 sec)
FE Package ....................................................... 300°C
1
2
3
4
5
6
7
8
9
10
11
12
TOP VIEW
FE PACKAGE
24-LEAD PLASTIC TSSOP
24
23
22
21
20
19
18
17
16
15
14
13
FREQ
RUN
TK/SS
ITH
V
FB
DIFFOUT
DIFFN
DIFFP
SNSD
+
SNS
–
SNSA
+
ILIM
MODE/PLLIN
PGOOD
ITEMP
EXTV
CC
V
IN
INTV
CC
BOOST
TG
SW
BG
PGND
CLKOUT
25
SGND
θ
JA
= 33°C/W, θ
JC
= 10°C/W
EXPOSED PAD (PIN 25) IS SGND, MUST BE SOLDERED TO PCB
24 23 22 21 20 19
7 8 9
TOP VIEW
25
SGND
UF PACKAGE
24-LEAD (4mm × 4mm) PLASTIC QFN
10 11 12
6
5
4
3
2
1
13
14
15
16
17
18
ITH
V
FB
DIFFOUT
DIFFN
DIFFP
SNSD
+
EXTV
CC
V
IN
INTV
CC
BOOST
TG
SW
TK/SS RUN FREQ MODE/PLLIN PGOOD ITEMP
SNS
–
SNSA
+
ILIM
CLKOUT
PGND
BG
θ
JA
= 47°C/W, θ
JC
= 4.5°C/W
EXPOSED PAD (PIN 25) IS SGND, MUST BE SOLDERED TO PCB
PIN CONFIGURATION