Datasheet

LT1765/LT1765-1.8/LT1765-2.5/
LT1765-3.3/LT1765-5
2
1765fd
ABSOLUTE MAXIMUM RATINGS
Input Voltage ........................................................... 25V
BOOST Pin Above SW ............................................. 20V
Max BOOST Pin Voltage ............................................35V
SHDN Pin ................................................................. 25V
FB Pin Current ......................................................... 1mA
(Note 1)
FE PACKAGE
16-LEAD PLASTIC TSSOP
1
2
3
4
5
6
7
8
TOP VIEW
16
15
14
13
12
11
10
9
GND
BOOST
V
IN
V
IN
SW
SW
NC
GND
GND
NC
SYNC
V
C
FB
SHDN
NC
GND
17
θ
JA
= 45°C/W, θ
JC(PAD)
= 10°C/W
EXPOSED PAD (PIN 17) SOLDERED TO LARGE COPPER PLANE
TOP VIEW
SYNC
V
C
FB
SHDN
BOOST
V
IN
SW
GND
S8 PACKAGE
8-LEAD PLASTIC SO
1
2
3
4
8
7
6
5
T
JMAX
= 125°C, θ
JA
= 90°C/W, θ
JC(PIN 4)
= 30°C/W
GROUND PIN CONNECTED TO LARGE COPPER AREA
PIN CONFIGURATION
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LT1765EFE#PBF LT1765EFE#TRPBF 1765EFE 16-Lead Plastic TSSOP –40°C to 125°C
LT1765EFE-1.8#PBF LT1765EFE-1.8#TRPBF 1765EFE-1.8 16-Lead Plastic TSSOP –40°C to 125°C
LT1765EFE-2.5#PBF LT1765EFE-2.5#TRPBF 1765EFE-2.5 16-Lead Plastic TSSOP –40°C to 125°C
LT1765EFE-3.3#PBF LT1765EFE-3.3#TRPBF 1765EFE-3.3 16-Lead Plastic TSSOP –40°C to 125°C
LT1765EFE-5#PBF LT1765EFE-5#TRPBF 1765EFE-5 16-Lead Plastic TSSOP –40°C to 125°C
LT1765ES8#PBF LT1765ES8#TRPBF 1765 8-Lead Plastic SO –40°C to 125°C
LEAD BASED FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LT1765EFE LT1765EFE#TR 1765EFE 16-Lead Plastic TSSOP –40°C to 125°C
LT1765EFE-1.8 LT1765EFE-1.8#TR 1765EFE-1.8 16-Lead Plastic TSSOP –40°C to 125°C
LT1765EFE-2.5 LT1765EFE-2.5#TR 1765EFE-2.5 16-Lead Plastic TSSOP –40°C to 125°C
LT1765EFE-3.3 LT1765EFE-3.3#TR 1765EFE-3.3 16-Lead Plastic TSSOP –40°C to 125°C
LT1765EFE-5 LT1765EFE-5#TR 1765EFE-5 16-Lead Plastic TSSOP –40°C to 125°C
LT1765ES8 LT1765ES8#TR 1765 8-Lead Plastic SO –40°C to 125°C
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifi cations, go to:
http://www.linear.com/tapeandreel/
SYNC Pin Current ................................................... 1mA
Operating Junction Temperature Range
(Note 2) ................................................. –40°C to 125°C
Storage Temperature Range ................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec) ................ 300°C