Datasheet
LT3507A
2
3507af
ABSOLUTE MAXIMUM RATINGS
V
IN
Pins ...................................................... –0.3V to 36V
BOOST Pins
..............................................................55V
BOOST Above SW
.....................................................25V
PGOOD Pins
.............................................................. 36V
BIAS Pin
....................................................................16V
TRK/SS, V
C
, FB, RT/SYNC Pins ...................................6V
RUN, OVLO, UVLO Pins
........................................... V
IN1
(Note 1)
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3507AEUHF#PBF LT3507AEUHF#TRPBF 3507A
38-Lead (5mm × 7mm) Plastic QFN
–40°C to 125°C
LT3507AIUHF#PBF LT3507AIUHF#TRPBF 3507A
38-Lead (5mm × 7mm) Plastic QFN
–40°C to 125°C
LT3507AHUHF#PBF LT3507AHUHF#TRPBF 3507A
38-Lead (5mm × 7mm) Plastic QFN
–40°C to 150°C
LT3507AEFE#PBF LT3507AEFE#TRPBF LT3507AFE 38-Lead Plastic TSSOP –40°C to 125°C
LT3507AIFE#PBF LT3507AIFE#TRPBF LT3507AFE 38-Lead Plastic TSSOP –40°C to 125°C
LT3507AHFE#PBF LT3507AHFE#TRPBF LT3507AFE 38-Lead Plastic TSSOP –40°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/
ORDER INFORMATION
DRIVE Pin ...................................................................5V
Operating Junction Temperature Range (Notes 2, 5)
LT3507AE, LT3507AI ......................... –40°C to 125°C
LT3507AH .......................................... –40°C to 150°C
Storage Temperature Range
.................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
TSSOP Only ...................................................... 300°C
13 14 15 16
TOP VIEW
39
GND
UHF PACKAGE
38-LEAD (5mm × 7mm) PLASTIC QFN
17 18 19
38 37 36 35 34 33 32
24
25
26
27
28
29
30
31
8
7
6
5
4
3
2
1BOOST1
V
IN1
V
IN1
V
INSW
OVLO
UVLO
V
C1
TRK/SS1
FB1
PGOOD1
PGOOD2
PGOOD3
V
IN2
V
IN2
SW2
SW2
BOOST2
TRK/SS4
FB4
DRIVE
V
C2
FB2
TRK/SS2
FB3
SW1
SW1
V
IN3
V
IN3
SW3
SW3
BOOST3
RT/SYNC
RUN1
RUN2
RUN3
BIAS
TRK/SS3
V
C3
23
22
21
20
9
10
11
12
θ
JA
= 34°C/W
EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
TOP VIEW
FE PACKAGE
38-LEAD PLASTIC TSSOP
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
V
IN3
SW1
SW1
BOOST1
V
IN1
V
IN1
V
INSW
OVLO
UVLO
V
C1
TRK/SS1
FB1
PGOOD1
PGOOD2
PGOOD3
RT/SYNC
RUN1
RUN2
RUN3
SW3
BOOST3
V
IN2
V
IN2
NC
SW2
BOOST2
TRK/SS4
FB4
DRIVE
V
C2
NC
FB2
TRK/SS2
FB3
V
C3
TRK/SS3
BIAS
GND
39
GND
θ
JA
= 24°C/W
EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB
PIN CONFIGURATION