LTC3769_15 Datasheet, PDF (2/32 Pages) Linear Technology – 60V Low IQ Synchronous Boost Controller

LTC3769
Absolute Maximum Ratings ^{(Notes 1, 3)}
VBIAS......................................................... –0.3V to 65V
BOOST.........................................................–0.3V to 71V
SW................................................................. –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, (BOOST - SW)...................................–0.3V to 6V
EXTV_CC....................................................... –0.3V to 14V
SENSE⁺, SENSE^–......................................... –0.3V to 65V
(SENSE⁺ - SENSE^–).............................................–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
TOP VIEW
ILIM 1
20 PGOOD
INTV_CC 2
19 VBIAS
FREQ 3
GND 4
PLLIN/MODE 5
RUN 6
18 EXTV_CC
17 INTV_CC
21
16 BG
GND
15 BOOST
SS 7
SENSE^– 8
SENSE⁺ 9
14 TG
13 SW
12 OVMODE
VFB 10
11 ITH
FE PACKAGE
20-LEAD PLASTIC TSSOP
T_JMAX = 150°C, θ_JA = 38°C/W
EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB
TOP VIEW
24 23 22 21 20 19
VBIAS 1
PGOOD 2
ILIM 3
NC 4
INTV_CC 5
NC 6
18 SW
17 OVMODE
25
16 ITH
GND
15 VFB
14 SENSE⁺
13 SENSE^–
7 8 9 10 11 12
UF PACKAGE
24-LEAD (4mm × 4mm) PLASTIC QFN
T_JMAX = 150°C, θ_JA = 47°C/W
EXPOSED PAD (PIN 25) IS GND, MUST BE SOLDERED TO PCB
Order Information
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3769EUF#PBF
LTC3769EUF#TRPBF
3769
24-Lead (4mm × 4mm) Plastic QFN
–40°C to 125°C
LTC3769IUF#PBF
LTC3769IUF#TRPBF
3769
24-Lead (4mm × 4mm) Plastic QFN
–40°C to 125°C
LTC3769HUF#PBF
LTC3769HUF#TRPBF
3769
24-Lead (4mm × 4mm) Plastic QFN
–40°C to 150°C
LTC3769MPUF#PBF
LTC3769MPUF#TRPBF 3769
24-Lead (4mm × 4mm) Plastic QFN
–55°C to 150°C
LTC3769EFE#PBF
LTC3769EFE#TRPBF
LTC3769FE
20-Lead Plastic SSOP
–40°C to 125°C
LTC3769IFE#PBF
LTC3769IFE#TRPBF
LTC3769FE
20-Lead Plastic SSOP
–40°C to 125°C
LTC3769HFE#PBF
LTC3769HFE#TRPBF
LTC3769FE
20-Lead Plastic SSOP
–40°C to 150°C
LTC3769MPFE#PBF
LTC3769MPFE#TRPBF LTC3769FE
20-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/
3769f
2
For more information www.linear.com/LTC3769