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LTC3129-1_15 Datasheet, PDF (2/30 Pages) Linear Technology – 15V, 200mA Synchronous Buck-Boost DC/DC Converter with 1.3A Quiescent Current
LTC3129-1
Absolute Maximum Ratings
(Notes 1, 8)
VIN, VOUT Voltages...................................... –0.3V to 18V
SW1 DC Voltage............................... –0.3V to (VIN + 0.3V)
SW2 DC Voltage............................–0.3V to (VOUT + 0.3V)
SW1, SW2 Pulsed (<100ns) Voltage...............–1V to 19V
BST1 Voltage...................... (SW1 – 0.3V) to (SW1 + 6V)
BST2 Voltage......................(SW2 – 0.3V) to (SW2 + 6V)
RUN, PGOOD Voltage.................................. –0.3V to 18V
VCC, PWM, MPPC, VS1, VS2,
VS3 Voltages................................................ –0.3V to 6V
PGOOD Sink Current...............................................15mA
Operating Junction Temperature Range
(Notes 2, 5)............................................. –40°C to 125°C
Storage Temperature Range................... –65°C to 150°C
MSE Lead Temperature (Soldering, 10 sec)........... 300°C
Pin Configuration
TOP VIEW
16 15 14 13
BST1 1
VIN 2
VCC 3
RUN 4
17
PGND
12 VOUT
11 PGOOD
10 PWM
9 VS1
5678
UD PACKAGE
16-LEAD (3mm × 3mm) PLASTIC QFN
TJMAX = 125°C, θJC = 7.5°C/W, θJA = 68°C/W (NOTE 6)
EXPOSED PAD (PIN 17) IS PGND, MUST BE SOLDERED TO PCB
VCC 1
RUN 2
MPPC 3
GND 4
VS3 5
VS2 6
VS1 7
PWM 8
TOP VIEW
17
PGND
16 VIN
15 BST1
14 SW1
13 PGND
12 SW2
11 BST2
10 VOUT
9 PGOOD
MSE PACKAGE
16-LEAD PLASTIC MSOP
TJMAX = 125°C, θJC = 10°C/W, θJA = 40°C/W (NOTE 6)
EXPOSED PAD (PIN 17) IS PGND, MUST BE SOLDERED TO PCB
Order Information
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3129EUD-1#PBF
LTC3129EUD-1#TRPBF LGDS
16-Lead (3mm × 3mm) Plastic QFN
–40°C to 125°C
LTC3129IUD-1#PBF
LTC3129IUD-1#TRPBF LGDS
16-Lead (3mm × 3mm) Plastic QFN
–40°C to 125°C
LTC3129EMSE-1#PBF
LTC3129EMSE-1#TRPBF 31291
16-Lead Plastic MSOP
–40°C to 125°C
LTC3129IMSE-1#PBF
LTC3129IMSE-1#TRPBF 31291
16-Lead Plastic MSOP
–40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
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/
31291fb
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For more information www.linear.com/LTC3129-1