LTC3633 LINER [Linear Technology], LTC3633 Datasheet - Page 2

• Manufacturer Part Number: LTC3633
• Description: Dual Channel 3A, 15V Monolithic Synchronous Step-Down Regulator
• Manufacturer: LINER [Linear Technology]

ABSOLUTE MAXIMUM RATINGS
LTC3633
(Note 1)
V
V
PGOOD1, PGOOD2, V
BOOST1, BOOST2 ................................... –0.3V to 19.6V
BOOST1-SW1, BOOST2-SW2 ................... –0.3V to 3.6V
V2P5, INTV
ITH1, ITH2, REXT, MODE/SYNC .... –0.3V to INTV
PIN CONFIGURATION
ORDER INFORMATION
LEAD FREE FINISH
LTC3633EUFD#PBF
LTC3633IUFD#PBF
LTC3633EFE#PBF
LTC3633IFE#PBF
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping
container.
Consult LTC Marketing for information on non-standard lead based fi nish parts.
For more information on lead free part marking, go to:
For more information on tape and reel specifi cations, go to:
2
IN1
IN1
, V
, V
IN2
IN2
................................................... –0.3V to 16V
EXPOSED PAD (PIN 29) IS PGND, MUST BE SOLDERED TO PCB
Transient ...................................................18V
CC
MODE/SYNC
, TRACKSS1, TRACKSS2 ...... –0.3V to 3.6V
PHMODE
PGOOD1
PGOOD2
SGND
RUN1
RUN2
RT
28-LEAD (4mm × 5mm) PLASTIC QFN
T
1
2
3
4
5
6
7
8
JMAX
ON1
TAPE AND REEL
LTC3633EUFD#TRPBF
LTC3633IUFD#TRPBF
LTC3633EFE#TRPBF
LTC3633IFE#TRPBF
28 27 26 25 24
9 10
= 125°C, θ
UFD PACKAGE
, V
TOP VIEW
11 12 13
PGND
ON2
29
JA
................. –0.3V to 16V
= 43°C/W
14
23
22
21
20
19
18
17
16
15
V
V
BOOST1
INTV
V2P5
BOOST2
V
V
IN1
IN1
IN2
IN2
http://www.linear.com/leadfree/
PART MARKING*
3633
3633
LTC3633FE
LTC3633FE
CC
http://www.linear.com/tapeandreel/
CC
+ 0.3V
V
RUN1, RUN2 .................................... –0.3V to V
SW1, SW2 ....................................... –0.3V to V
SW Source and Sink Current (DC) (Note 2) ................3A
Operating Junction Temperature Range
(Note 3) .................................................. –40°C to 125°C
Storage Temperature Range ................... –65°C to 125°C
FB1
PACKAGE DESCRIPTION
28-Lead (4mm × 5mm) Plastic QFN
28-Lead (4mm × 5mm) Plastic QFN
28-Lead Plastic TSSOP
28-Lead Plastic TSSOP
, V
FB2
EXPOSED PAD (PIN 29) IS PGND, MUST BE SOLDERED TO PCB
, PHMODE. .................. –0.3V to INTV
MODE/SYNC
TRACKSS1
TRACKSS2
PHMODE
PGOOD1
PGOOD2
SGND
RUN1
RUN2
ITH1
ITH2
V
V
FB1
FB2
RT
T
28-LEAD PLASTIC TSSOP
JMAX
10
11
12
13
14
1
2
3
4
5
6
7
8
9
= 125°C, θ
FE PACKAGE
TOP VIEW
PGND
29
JA
= 25°C/W
28
27
26
25
24
23
22
21
20
19
18
17
16
15
V
SW1
SW1
V
V
BOOST1
INTV
V2P5
BOOST2
V
V
SW2
SW2
V
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
ON1
IN1
IN1
IN2
IN2
ON2
CC
CC
IN
IN
+ 0.3V
+ 0.3V
+ 0.3V
3633f