Datasheet

LTC3245
2
3245fa
For more information www.linear.com/LTC3245
pin conFiguraTion
absoluTe MaxiMuM raTings
V
IN
, SEL1, SEL2, BURST ............................ –0.3V to 38V
V
OUT
, OUTS/ADJ, PGOOD ............................ –0.3V to 6V
I
PGOOD
......................................................................2mA
V
OUT
Short-Circuit Duration ............................. Indefinite
(Note 1)
12
11
10
9
8
7
1
2
3
4
5
6
GND
C
–
V
OUT
C
+
PGOOD
OUTS/ADJ
V
IN
V
IN
V
IN
BURST
SEL1
SEL2
TOP VIEW
DE PACKAGE
12-LEAD (3mm × 4mm) PLASTIC DFN
13
GND
T
JMAX
= 150°C, θ
JA
= 43°C/W
EXPOSED PAD (PIN 13) IS GND, MUST BE SOLDERED TO PCB GND
1
2
3
4
5
6
V
IN
V
IN
V
IN
BURST
SEL1
SEL2
12
11
10
9
8
7
GND
C
–
V
OUT
C
+
PGOOD
OUTS/ADJ
TOP VIEW
13
GND
MSE PACKAGE
12-LEAD PLASTIC MSOP
T
JMAX
= 150°C, θ
JA
= 40°C/W
EXPOSED PAD (PIN 13) IS GND, MUST BE SOLDERED TO PCB GND
orDer inForMaTion
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3245EDE#PBF LTC3245EDE#TRPBF 3245
12-Lead (3mm × 4mm) Plastic DFN
–40°C to 125°C
LTC3245IDE#PBF LTC3245IDE#TRPBF 3245
12-Lead (3mm × 4mm) Plastic DFN
–40°C to 125°C
LTC3245EMSE#PBF LTC3245EMSE#TRPBF 3245 12-Lead Plastic MSOP –40°C to 125°C
LTC3245IMSE#PBF LTC3245IMSE#TRPBF 3245 12-Lead Plastic MSOP –40°C to 125°C
LTC3245HMSE#PBF LTC3245HMSE#TRPBF 3245 12-Lead Plastic MSOP –40°C to 150°C
LTC3245MPMSE#PBF LTC3245MPMSE#TRPBF 3245 12-Lead Plastic MSOP –55°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/
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
IN
Operating Input Voltage Range
l
2.7 38 V
V
UVLO
V
IN
Undervoltage Lockout Threshold V
IN
Rising
V
IN
Falling
l
2.4
2.2
2.7 V
V
Operating Junction Temperature Range (Notes 2, 3)
(E-/I-Grade) ........................................ –40°C to 125°C
(H-Grade) ........................................... –40°C to 150°C
(MP-Grade) ........................................ –55°C to 150°C
Storage Temperature Range .................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
(MSE Only) ...........................................................300°C
The l denotes the specifications which apply over the specified operating
junction temperature range, otherwise specifications are at T
A
= 25°C, (Note 2). V
IN
= 12V, V
OUT
= 5V, C
F LY
= 1µF unless otherwise
noted.
elecTrical characTerisTics