LTC3787
ABSOLUTE MAXIMUM RATINGS
(Notes 1, 3)
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
From Source >8V ..............................................100μA
PGOOD, PLLIN/MODE ................................. –0.3V to 6V
INTV
CC
, (BOOST1 - SW1), (BOOST2 - SW2) ...–0.3V to 6V
EXTV
CC
........................................................ –0.3V to 6V
SENSE1
+
, SENSE1
–
, SENSE2
+
, SENSE2
–
... –0.3V to 40V
(SENSE1
+
- SENSE1
–
), (SENSE2
+
- SENSE2
–
) ...–0.3V to 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
PIN CONFIGURATION
TOP VIEW
SENSE1
–
ILIM
SENSE1
+
SENSE1
–
FREQ
PHASMD
CLKOUT
PLLIN/MODE
SGND
RUN
1
2
3
4
5
6
7
8
9
28 PGOOD
27 SW1
26 TG1
25 BOOST1
24 BG1
23 VBIAS
22 PGND
21 EXTV
CC
20 INTV
CC
19 BG2
18 BOOST2
17 TG2
16 SW2
15 NC
FREQ 1
PHASMD 2
CLKOUT 3
PLLIN/MODE 4
SGND 5
RUN 6
SS 7
SENSE2
–
8
9 10 11 12 13 14
VFB
SENSE2
+
ITH
NC
SW2
TG2
29
GND
TOP VIEW
SENSE1
+
PGOOD
SW1
ILIM
TG1
22 BOOST1
21 BG1
20 VBIAS
19 PGND
18 EXTV
CC
17 INTV
CC
16 BG2
15 BOOST2
28 27 26 25 24 23
SS 10
SENSE2
–
11
SENSE2
+
12
VFB 13
ITH 14
GN PACKAGE
28-LEAD PLASTIC SSOP
T
JMAX
= 125°C,
θ
JA
= 90°C/W
UFD PACKAGE
28-LEAD (4mm 5mm) PLASTIC QFN
T
JMAX
= 125°C,
θ
JA
= 43°C/W
EXPOSED PAD (PIN 29) IS GND, MUST BE CONNECTED TO GND
ORDER INFORMATION
LEAD FREE FINISH
LTC3787EUFD#PBF
LTC3787IUFD#PBF
LTC3787HUFD#PBF
LTC3787MPUFD#PBF
LTC3787EGN#PBF
LTC3787IGN#PBF
LTC3787HGN#PBF
LTC3787MPGN#PBF
TAPE AND REEL
LTC3787EUFD#TRPBF
LTC3787IUFD#TRPBF
LTC3787HUFD#TRPBF
LTC3787MPUFD#TRPBF
LTC3787EGN#TRPBF
LTC3787IGN#TRPBF
LTC3787HGN#TRPBF
LTC3787MPGN#TRPBF
PART MARKING*
3787
3787
3787
3787
LTC3787GN
LTC3787GN
LTC3787GN
LTC3787GN
PACKAGE DESCRIPTION
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
28-Lead Plastic SSOP
28-Lead Plastic SSOP
28-Lead Plastic SSOP
TEMPERATURE RANGE
–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
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 [ LINEAR INTEGRATED SYSTEMS ]
