LTC3633A-3_15 Datasheet, PDF (2/28 Pages) Linear Technology – Dual Channel 3A, 20V Monolithic Synchronous Step-Down Regulator

LTC3633A-2/LTC3633A-3
ABSOLUTE MAXIMUM RATINGS (Note 1)
PV_IN1, PV_IN2, SV_IN....................................... –0.3V to 20V
PGOOD1, PGOOD2, V_ON1, V_ON2.................. –0.3V to 18V
BOOST1, BOOST2....................................... –0.3V to 23V
BOOST1-SW1, BOOST2-SW2.................... –0.3V to 3.6V
INTV_CC, TRACKSS1, TRACKSS2................. –0.3V to 3.6V
ITH1, ITH2, RT, MODE/SYNC......... –0.3V to INTV_CC + 0.3V
V_FB1, V_FB2, PHMODE.................... –0.3V to INTV_CC + 0.3V
RUN1.............................................. –0.3V to SV_IN + 0.3V
RUN2.......................................................... –0.3V to 20V
Operating Junction Temperature Range
(Notes 3, 4)............................................. –40°C to 125°C
Storage Temperature Range.................... –65°C to 150°C
PIN CONFIGURATION
TOP VIEW
28 27 26 25 24 23
PGOOD1 1
PHMODE 2
RUN1 3
MODE/SYNC 4
RT 5
RUN2 6
29
PGND
22 PV_IN1
21 PV_IN1
20 SV_IN
19 BOOST1
18 INTV_CC
17 BOOST2
SGND 7
16 PV_IN2
PGOOD2 8
15 PV_IN2
9 10 11 12 13 14
UFD PACKAGE
28-LEAD (4mm × 5mm) PLASTIC QFN
T_JMAX = 125°C, θ_JA = 43°C/W
EXPOSED PAD (PIN 29) IS PGND, MUST BE SOLDERED TO PCB
TOP VIEW
ITH1 1
TRACKSS1 2
V_FB1 3
PGOOD1 4
PHMODE 5
RUN1 6
MODE/SYNC 7
RT 8
RUN2 9
SGND 10
PGOOD2 11
V_FB2 12
TRACKSS2 13
ITH2 14
29
PGND
28 V_ON1
27 SW1
26 SW1
25 PV_IN1
24 PV_IN1
23 SV_IN
22 BOOST1
21 INTV_CC
20 BOOST2
19 PV_IN2
18 PV_IN2
17 SW2
16 SW2
15 V_ON2
FE PACKAGE
28-LEAD PLASTIC TSSOP
T_JMAX = 125°C, θ_JA = 25°C/W
EXPOSED PAD (PIN 29) IS PGND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3633AEUFD-2#PBF LTC3633AEUFD-2#TRPBF 633A2
28-Lead (4mm × 5mm) Plastic QFN
–40°C to 125°C
LTC3633AIUFD-2#PBF LTC3633AIUFD-2#TRPBF 633A2
28-Lead (4mm × 5mm) Plastic QFN
–40°C to 125°C
LTC3633AEFE-2#PBF
LTC3633AEFE-2#TRPBF LTC3633AFE-2
28-Lead Plastic TSSOP
–40°C to 125°C
LTC3633AIFE-2#PBF
LTC3633AIFE-2#TRPBF LTC3633AFE-2
28-Lead Plastic TSSOP
–40°C to 125°C
LTC3633AEUFD-3#PBF LTC3633AEUFD-3#TRPBF 633A3
28-Lead (4mm × 5mm) Plastic QFN
–40°C to 125°C
LTC3633AIUFD-3#PBF LTC3633AIUFD-3#TRPBF 633A3
28-Lead (4mm × 5mm) Plastic QFN
–40°C to 125°C
LTC3633AEFE-3#PBF
LTC3633AEFE-3#TRPBF LTC3633AFE-3
28-Lead Plastic TSSOP
–40°C to 125°C
LTC3633AIFE-3#PBF
LTC3633AIFE-3#TRPBF LTC3633AFE-3
28-Lead Plastic TSSOP
–40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
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/
3633a23fb
2
For more information www.linear.com/LTC3633A-2