Datasheet

LTC3809
2
3809fc
ABSOLUTE MAXIMUM RATINGS
Input Supply Voltage (V
IN
) ........................ –0.3V to 10V
PLLLPF, RUN, SYNC/MODE,
IPRG Voltages ............................... –0.3V to (V
IN
+ 0.3V)
V
FB
, I
TH
Voltages ...................................... –0.3V to 2.4V
SW Voltage ......................... –2V to V
IN
+ 1V (10V Max)
TG, BG Peak Output Current (<10μs) ......................... 1A
(Note 1)
PIN CONFIGURATION
Operating Temperature Range (Note 2)....–40°C to 85°C
Storage Temperature Range ...................–65°C to 125°C
Junction Temperature (Note 3) ............................ 125°C
Lead Temperature (Soldering, 10 sec)
MSOP Package ................................................. 300°C
TOP VIEW
11
DD PACKAGE
10-LEAD (3mm s 3mm) PLASTIC DFN
10
9
6
7
8
4
5
3
2
1
SW
V
IN
TG
BG
IPRG
PLLLPF
SYNC/MODE
V
FB
I
TH
RUN
T
JMAX
= 125°C, θ
JA
= 43°C/W
EXPOSED PAD (PIN 11) IS GND
(MUST BE SOLDERED TO PCB)
1
2
3
4
5
PLLLPF
SYNC/MODE
V
FB
I
TH
RUN
10
9
8
7
6
SW
V
IN
TG
BG
IPRG
TOP VIEW
11
MSE PACKAGE
10-LEAD PLASTIC MSOP
T
JMAX
= 125°C, θ
JA
= 40°C/W
EXPOSED PAD (PIN 11) IS GND
(MUST BE SOLDERED TO PCB)
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3809EDD#PBF LTC3809EDD#TRPBF LBQY
10-Lead (3mm × 3mm) Plastic DFN
–40°C to 85°C
LTC3809EMSE#PBF LTC3809EMSE#TRPBF LTBQT 10-Lead Plastic MSOP –40°C to 85°C
LEAD BASED FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3809EDD LTC3809EDD#TR LBQY
10-Lead (3mm × 3mm) Plastic DFN
–40°C to 85°C
LTC3809EMSE LTC3809EMSE#TR LTBQT 10-Lead Plastic MSOP –40°C to 85°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/
ORDER INFORMATION