LTC3633A-1_15 Datasheet, PDF (2/30 Pages) Linear Technology – Dual Channel 3A, 20V Monolithic Synchronous Step-Down Regulator

LTC3633A/LTC3633A-1
ABSOLUTE MAXIMUM RATINGS (Note 1)
V_IN1, V_IN2.................................................... –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
V2P5, 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, RUN2..................................... –0.3V to V_IN + 0.3V
Operating Junction Temperature Range
(Notes 2, 3)............................................. –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
22 V_IN1
21 V_IN1
20 BOOST1
MODE/SYNC 4
RT 5
29
PGND
19 INTV_CC
18 V2P5
RUN2 6
17 BOOST2
SGND 7
PGOOD2 8
9
16 V_IN2
15 V_IN2
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 V_IN1
24 V_IN1
23 BOOST1
22 INTV_CC
21 V2P5
20 BOOST2
19 V_IN2
18 V_IN2
17 SW2
16 SW2
15 V_ON2
FE PACKAGE
28-LEAD PLASTIC TSSOP
T_JMAX = 125°C, θ_JA = 30°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#PBF
LTC3633AEUFD#TRPBF 3633A
28-Lead (4mm × 5mm) Plastic QFN
–40°C to 125°C
LTC3633AIUFD#PBF
LTC3633AIUFD#TRPBF 3633A
28-Lead (4mm × 5mm) Plastic QFN
–40°C to 125°C
LTC3633AEFE#PBF
LTC3633AEFE#TRPBF LTC3633AFE
28-Lead Plastic TSSOP
–40°C to 125°C
LTC3633AIFE#PBF
LTC3633AIFE#TRPBF
LTC3633AFE
28-Lead Plastic TSSOP
–40°C to 125°C
LTC3633AEUFD-1#PBF LTC3633AEUFD-1#TRPBF 633A1
28-Lead (4mm × 5mm) Plastic QFN
–40°C to 125°C
LTC3633AIUFD-1#PBF LTC3633AIUFD-1#TRPBF 633A1
28-Lead (4mm × 5mm) Plastic QFN
–40°C to 125°C
LTC3633AEFE-1#PBF
LTC3633AEFE-1#TRPBF LTC3633AFE-1
28-Lead Plastic TSSOP
–40°C to 125°C
LTC3633AIFE-1#PBF
LTC3633AIFE-1#TRPBF LTC3633AFE-1
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/
3633a1fb
2
For more information www.linear.com/LTC3633A