Related Parts ............................................ 116
For more information
www.analog.com
3
Rev. F
LTC3887/LTC3887-1/
LTC3887-2
ABSOLUTE MAXIMUM RATINGS
(Note 1)
V
IN
Voltage ................................................. –0.3V to 28V
V
IN
Voltage LTC3887-2............................... –0.3V to 36V
Top Gate Transient Voltage TG0,
TG1 LTC3887 ................................................ –5V to 34V
Top Gate Transient Voltage PWM0,
PWM1 LTC3887-1 ........................................ –0.3V to 6V
BOOST1, BOOST0, LTC3887 ...................... –0.3V to 34V
BOOST1, BOOST0, LTC3887-2 ................... –0.3V to 42V
V
CC1
, V
CC0
LTC3887-1 .................................. –0.3V to 6V
Switch Transient Voltage SW1,
SW0 LTC3887 ............................................... –5V to 28V
INTV
CC
, EXTV
CC
, (BOOST1 – SW1), (BOOST0 – SW0),
BG0, BG1, LTC3887, LTC3887-2 ................... –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
FREQ_CFG, V
OUTn_CFG
, ASEL0/1, 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 ................ –65°C to 150°C*
*See Derating EEPROM Retention at Temperature in the
Applications Information section for junction tempera-
tures in excess of 125°C.
PIN CONFIGURATION
LTC3887/LTC3887-2
TOP VIEW
BOOST0
TSNS0
SW0
GND
BG0
TG0
V
IN
INTV
CC
(EXTV
CC
*)
LTC3887-1
TOP VIEW
BOOST1
INTV
CC
TSNS0
PWM0
V
CC0
V
CC1
30 PWM1
29 NC
28 TSNS1
27 V
SENSE1
41
GND
26 I
TH1
25 V
DD33
24 SHARE_CLK
23 WP
22 V
DD25
21 PHAS_CFG
11 12 13 14 15 16 17 18 19 20
FREQ_CFG
V
OUT0_CFG
V
OUT1_CFG
ALERT
GPIO0
GPIO1
RUN0
RUN1
ASEL0
ASEL1
GND
BG1
V
IN
NC
NC
NC
40 39 38 37 36 35 34 33 32 31
V
SENSE0+
V
SENSE0–
I
SENSE1+
I
SENSE1–
1
2
3
4
41
GND
30 TG1
29 SW1
28 TSNS1
27 V
SENSE1
26 I
TH1
25 V
DD33
24 SHARE_CLK
23 WP
22 V
DD25
21 PHAS_CFG
11 12 13 14 15 16 17 18 19 20
ALERT
GPIO0
GPIO1
RUN0
RUN1
ASEL0
ASEL1
FREQ_CFG
V
OUT0_CFG
V
OUT1_CFG
V
SENSE0+
1
V
SENSE0–
2
I
SENSE1+
3
I
SENSE1–
4
I
TH0
5
I
SENSE0+
6
I
SENSE0–
7
SYNC 8
SCL 9
SDA 10
40 39 38 37 36 35 34 33 32 31
I
TH0
5
I
SENSE0+
6
I
SENSE0–
7
SYNC 8
SCL 9
SDA 10
UJ PACKAGE
40-LEAD (6mm
×
6mm) PLASTIC QFN
T
JMAX
= 125°C,
θ
JA
= 33°C/W,
θ
JC
= 2.5°C/W
EXPOSED PAD (PIN 41) IS GND, MUST BE SOLDERED TO PCB
*EXTVCC FOR LTC3887-2 ONLY
UJ PACKAGE
40-LEAD (6mm
×
6mm) PLASTIC QFN
T
JMAX
= 125°C,
θ
JA
= 33°C/W,
θ
JC
= 2.5°C/W
EXPOSED PAD (PIN 41) IS GND, MUST BE SOLDERED TO PCB
4
Rev.F
For more information
www.analog.com
LTC3887/LTC3887-1/
LTC3887-2
ORDER INFORMATION
LEAD FREE FINISH
LTC3887EUJ#PBF
LTC3887IUJ#PBF
LTC3887EUJ-1#PBF
LTC3887IUJ-1#PBF
LTC3887EUJ-2#PBF
LTC3887IUJ-2#PBF
LTC3887EUJ#WPBF
LTC3887IUJ#WPBF
LTC3887EUJ-1#WPBF
LTC3887IUJ-1#WPBF
LTC3887EUJ-2#WPBF
LTC3887IUJ-2#WPBF
TAPE AND REEL
LTC3887EUJ#TRPBF
LTC3887IUJ#TRPBF
LTC3887EUJ-1#TRPBF
LTC3887IUJ-1#TRPBF
LTC3887EUJ-2#TRPBF
LTC3887IUJ-2#TRPBF
LTC3887EUJ#WTRPBF
LTC3887IUJ#WTRPBF
LTC3887EUJ-1#WTRPBF
LTC3887IUJ-1#WTRPBF
LTC3887EUJ-2#WTRPBF
LTC3887IUJ-2#WTRPBF
PART MARKING*
LTC3887UJ
LTC3887UJ
LTC3887UJ-1
LTC3887UJ-1
LTC3887UJ-2
LTC3887UJ-2
LTC3887UJ
LTC3887UJ
LTC3887UJ-1
LTC3887UJ-1
LTC3887UJ-2
LTC3887UJ-2
PACKAGE DESCRIPTION
40-Lead (6mm
×
6mm) Plastic QFN
40-Lead (6mm
×
6mm) Plastic QFN
40-Lead (6mm
×
6mm) Plastic QFN
40-Lead (6mm
×
6mm) Plastic QFN
40-Lead (6mm
×
6mm) Plastic QFN
40-Lead (6mm
×
6mm) Plastic QFN
40-Lead (6mm
×
6mm) Plastic QFN
40-Lead (6mm
×
6mm) Plastic QFN
40-Lead (6mm
×
6mm) Plastic QFN
40-Lead (6mm
×
6mm) Plastic QFN
40-Lead (6mm
×
6mm) Plastic QFN
40-Lead (6mm
×
6mm) Plastic QFN
JUNCTION TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
AUTOMOTIVE PRODUCTS**
Contact the factory for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Tape and reel specifications.
Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.
**Versions
of this part are available with controlled manufacturing to support the quality and reliability requirements of automotive applications. These
models are designated with a #W suffix. Only the automotive grade products shown are available for use in automotive applications. Contact your
local Analog Devices account representative for specific product ordering information and to obtain the specific Automotive Reliability reports for
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测试/测量
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