LTC3784_15 Datasheet, PDF (2/38 Pages) Linear Technology – 60V PolyPhase Synchronous Boost Controller

LTC3784
Absolute Maximum Ratings ^{(Notes 1, 3)}
VBIAS......................................................... –0.3V to 65V
BOOST1 and BOOST2..................................–0.3V to 71V
SW1 and SW2................................................ –5V to 65V
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 14V
SENSE1⁺, SENSE1^–, SENSE2⁺, SENSE2^–.... –0.3V to 65V
(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
Lead Temperature (Soldering, 10 sec) SSOP......... 300°C
Pin Configuration
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
TOP VIEW
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 OVMODE
GN PACKAGE
28-LEAD PLASTIC SSOP
T_JMAX = 150°C, θ_JA = 80°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 × 5mm) PLASTIC QFN
T_JMAX = 150°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
LTC3784EUFD#PBF
LTC3784EUFD#TRPBF 3784
28-Lead (4mm × 5mm) Plastic QFN
–40°C to 125°C
LTC3784IUFD#PBF
LTC3784IUFD#TRPBF 3784
28-Lead (4mm × 5mm) Plastic QFN
–40°C to 125°C
LTC3784HUFD#PBF
LTC3784HUFD#TRPBF 3784
28-Lead (4mm × 5mm) Plastic QFN
–40°C to 150°C
LTC3784MPUFD#PBF
LTC3784MPUFD#TRPBF 3784
28-Lead (4mm × 5mm) Plastic QFN
–55°C to 150°C
LTC3784EGN#PBF
LTC3784EGN#TRPBF
LTC3784GN
28-Lead Plastic SSOP
–40°C to 125°C
LTC3784IGN#PBF
LTC3784IGN#TRPBF
LTC3784GN
28-Lead Plastic SSOP
–40°C to 125°C
LTC3784HGN#PBF
LTC3784HGN#TRPBF LTC3784GN
28-Lead Plastic SSOP
–40°C to 150°C
LTC3784MPGN#PBF
LTC3784MPGN#TRPBF LTC3784GN
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/
3784fb
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For more information www.linear.com/LTC3784