LTC3787
(Notes ±, 3)
ABSOLUTE MAXIMUM RATINGS
EXTV ........................................................ –0.3V to 6V
VBIAS ........................................................ –0.3V to 40V
BOOST1 and BOOST2................................ –0.3V to 76V
SW1 and SW2............................................ –0.3V to 70V
RUN ............................................................. –0.3V to 8V
Maximum Current Sourced into Pin
CC
+
–
+
–
SENSE1 , SENSE1 , SENSE2 , SENSE2 ... –0.3V to 40V
+
–
+
–
(SENSE1 -SENSE1 ), (SENSE2 - SENSE2 )...–0.3Vto 0.3V
ILIM, SS, ITH, FREQ, PHASMD, VFB.....–0.3V to INTV
CC
Operating Junction Temperature
Range (Note 2)........................................–55°C to 150°C
Storage Temperature Range .................. –65°C to 150°C
From Source >8V..............................................100ꢀA
PGOOD, PLLIN/MODE ................................. –0.3V to 6V
INTV , (BOOST1 - SW1), (BOOST2 - SW2)...–0.3V to 6V
CC
PIN CONFIGURATION
TOP VIEW
TOP VIEW
1
2
PGOOD
SW1
28
27
26
25
24
23
22
21
20
19
18
17
16
15
ILIM
+
SENSE1
–
28 27 26 25 24 23
3
TG1
SENSE1
FREQ
PHASMD
CLKOUT
PLLIN/MODE
SGND
1
2
3
4
5
6
7
8
22
BOOST1
4
BOOST1
BG1
FREQ
PHASMD
CLKOUT
PLLIN/MODE
SGND
21 BG1
5
20 VBIAS
19 PGND
6
VBIAS
PGND
29
GND
7
18 EXTV
CC
CC
8
EXTV
CC
17 INTV
16 BG2
RUN
9
INTV
CC
RUN
SS
10
11
12
13
14
BG2
SS
–
BOOST2
15
SENSE2
–
BOOST2
TG2
SENSE2
9
10 11 12 13 14
UFD PACKAGE
+
SENSE2
SW2
NC
VFB
ITH
28-LEAD (4mm s 5mm) PLASTIC QFN
GN PACKAGE
28-LEAD PLASTIC SSOP
T
= 125°C, θ = 43°C/W
JMAX
JA
EXPOSED PAD (PIN 29) IS GND, MUST BE CONNECTED TO GND
T
= 125°C, θ = 90°C/W
JA
JMAX
ORDER INFORMATION
LEAD FREE FINISH
LTC3787EUFD#PBF
LTC3787IUFD#PBF
LTC3787HUFD#PBF
LTC3787MPUFD#PBF
LTC3787EGN#PBF
LTC3787IGN#PBF
LTC3787HGN#PBF
LTC3787MPGN#PBF
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3787EUFD#TRPBF
LTC3787IUFD#TRPBF
LTC3787HUFD#TRPBF
3787
3787
3787
–40°C to 125°C
–40°C to 125°C
–40°C to 150°C
–55°C to 150°C
–40°C to 125°C
–40°C to 125°C
–40°C to 150°C
–55°C to 150°C
28-Lead (4mm × 5mm) Plastic QFN
28-Lead (4mm × 5mm) Plastic QFN
28-Lead (4mm × 5mm) Plastic QFN
28-Lead (4mm × 5mm) Plastic QFN
28-Lead Plastic SSOP
LTC3787MPUFD#TRPBF 3787
LTC3787EGN#TRPBF
LTC3787IGN#TRPBF
LTC3787HGN#TRPBF
LTC3787MPGN#TRPBF
LTC3787GN
LTC3787GN
LTC3787GN
LTC3787GN
28-Lead Plastic SSOP
28-Lead Plastic SSOP
28-Lead Plastic SSOP
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
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/
3787fc
2
Linear Systems [ Linear Systems ]
