LTC3787_15 Datasheet, PDF (2/36 Pages) Linear Technology – PolyPhase Synchronous Boost Controller

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
ILIM 1
SENSE1⁺ 2
SENSE1^– 3
FREQ 4
PHASMD 5
CLKOUT 6
PLLIN/MODE 7
SGND 8
RUN 9
SS 10
SENSE2^– 11
SENSE2⁺ 12
VFB 13
ITH 14
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
GN PACKAGE
28-LEAD PLASTIC SSOP
T_JMAX = 125°C, θ_JA = 90°C/W
TOP VIEW
28 27 26 25 24 23
FREQ 1
22 BOOST1
PHASMD 2
21 BG1
CLKOUT 3
20 VBIAS
PLLIN/MODE ⁴
SGND ⁵
RUN ⁶
SS ⁷
SENSE2^{– 8}
9
29
19 PGND
GND
18 EXTV_CC
17 INTV_CC
16 BG2
15 BOOST2
10 11 12 13 14
UFD PACKAGE
28-LEAD (4mm s 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
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3787EUFD#PBF
LTC3787EUFD#TRPBF 3787
28-Lead (4mm × 5mm) Plastic QFN
–40°C to 125°C
LTC3787IUFD#PBF
LTC3787IUFD#TRPBF 3787
28-Lead (4mm × 5mm) Plastic QFN
–40°C to 125°C
LTC3787HUFD#PBF
LTC3787HUFD#TRPBF 3787
28-Lead (4mm × 5mm) Plastic QFN
–40°C to 150°C
LTC3787MPUFD#PBF
LTC3787MPUFD#TRPBF 3787
28-Lead (4mm × 5mm) Plastic QFN
–55°C to 150°C
LTC3787EGN#PBF
LTC3787EGN#TRPBF LTC3787GN
28-Lead Plastic SSOP
–40°C to 125°C
LTC3787IGN#PBF
LTC3787IGN#TRPBF
LTC3787GN
28-Lead Plastic SSOP
–40°C to 125°C
LTC3787HGN#PBF
LTC3787HGN#TRPBF LTC3787GN
28-Lead Plastic SSOP
–40°C to 150°C
LTC3787MPGN#PBF
LTC3787MPGN#TRPBF LTC3787GN
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.
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/
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