LTC3809-1_15 Datasheet, PDF (2/24 Pages) Linear Technology – No RSENSE, Low Input Voltage, Synchronous DC/DC Controller with Output Tracking

LTC3809-1
ABSOLUTE MAXIMUM RATINGS ^{(Note 1)}
Input Supply Voltage (V_IN) ........................ –0.3V to 10V
RUN, TRACK/SS, 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
Operating Temperature Range (Note 2)....–40°C to 85°C
Storage Ambient Temperature Range
DFN....................................................–65°C to 125°C
MSOP ................................................– 65°C to 150°C
Junction Temperature (Note 3) ............................ 125°C
Lead Temperature (Soldering, 10 sec)
MSOP Package ................................................. 300°C
PIN CONFIGURATION
TOP VIEW
MODE 1
TRACK/SS 2
V_FB 3
I_TH 4
RUN 5
10 SW
9 V_IN
11
8 TG
7 BG
6 IPRG
DD PACKAGE
10-LEAD (3mm s 3mm) PLASTIC DFN
T_JMAX = 125°C, θ_JA = 43°C/W
EXPOSED PAD (PIN 11) IS GND
(MUST BE SOLDERED TO PCB)
MODE 1
TRACK/SS 2
V_FB 3
I_TH 4
RUN 5
TOP VIEW
11
10 SW
9 V_IN
8 TG
7 BG
6 IPRG
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)
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3809EDD-1#PBF
LTC3809EDD-1#TRPBF LBQZ
10-Lead (3mm × 3mm) Plastic DFN
–40°C to 85°C
LTC3809IDD-1#PBF
LTC3809IDD-1#TRPBF LBQZ
10-Lead (3mm × 3mm) Plastic DFN
–40°C to 85°C
LTC3809EMSE-1#PBF
LTC3809EMSE-1#TRPBF LTBQV
10-Lead Plastic MSOP
–40°C to 85°C
LTC3809IMSE-1#PBF
LTC3809IMSE-1#TRPBF LTBQV
10-Lead Plastic MSOP
–40°C to 85°C
LEAD BASED FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3809EDD-1
LTC3809EDD-1#TR
LBQZ
10-Lead (3mm × 3mm) Plastic DFN
–40°C to 85°C
LTC3809IDD-1
LTC3809IDD-1#TR
LBQZ
10-Lead (3mm × 3mm) Plastic DFN
–40°C to 85°C
LTC3809EMSE-1
LTC3809EMSE-1#TR
LTBQV
10-Lead Plastic MSOP
–40°C to 85°C
LTC3809IMSE-1
LTC3809IMSE-1#TR
LTBQV
10-Lead Plastic MSOP
–40°C to 85°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/
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