Datasheet

LTC3890-1
2
38901fb
ABSOLUTE MAXIMUM RATINGS
(Note 1)
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3890EGN-1#PBF LTC3890EGN-1#TRPBF LTC3890GN-1 28-Lead Plastic SSOP –40°C to 125°C
LTC3890IGN-1#PBF LTC3890IGN-1#TRPBF LTC3890GN-1 28-Lead Plastic SSOP –40°C to 125°C
LTC3890HGN-1#PBF LTC3890HGN-1#TRPBF LTC3890GN-1 28-Lead Plastic SSOP –40°C to 150°C
LTC3890MPGN-1#PBF LTC3890MPGN-1#TRPBF LTC3890GN-1 28-Lead Plastic SSOP –55°C to 150°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/
Input Supply Voltage (V
IN
) ......................... –0.3V to 65V
Topside Driver Voltages
BOOST1, BOOST2
..................................–0.3V to 71V
Switch Voltage (SW1, SW2)
......................... –5V to 65V
(BOOST1-SW1), (BOOST2-SW2)
................ –0.3V to 6V
RUN1, RUN2
............................................... –0.3V to 8V
Maximum Current Sourced into Pin
from Source >8V
...................................................100µA
SENSE1
+
, SENSE2
+
, SENSE1
–
SENSE2
–
Voltages ..................................... –0.3V to 28V
PLLIN/MODE, INTV
CC
Voltages ................... –0.3V to 6V
FREQ Voltage
........................................–0.3V to INTV
CC
EXTV
CC
..................................................... –0.3V to 14V
ITH1, ITH2, V
FB1
, V
FB2
Voltages ................... –0.3V to 6V
PGOOD1 Voltage
......................................... –0.3V to 6V
TRACK/SS1, TRACK/SS2 Voltages
............. –0.3V to 6V
Operating Junction Temperature Range (Notes 2, 3)
LTC3890E-1, LTC3890I-1
................... –40°C to 125°C
LTC3890H-1
....................................... –40°C to 150°C
LTC3890MP-1
.................................... –55°C to 150°C
Storage Temperature Range
.................. –65°C to 150°C
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
GN PACKAGE
28-LEAD PLASTIC SSOP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
ITH1
V
FB1
SENSE1
+
SENSE1
–
FREQ
PLLIN/MODE
SGND
RUN1
RUN2
SENSE2
–
SENSE2
+
V
FB2
ITH2
TRACK/SS2
TRACK/SS1
PGOOD1
TG1
SW1
BOOST1
BG1
V
IN
PGND
EXTV
CC
INTV
CC
BG2
BOOST2
SW2
TG2
T
JMAX
= 150°C, θ
JA
= 90°C/W
PIN CONFIGURATION