LTC3129_15 Datasheet, PDF (2/30 Pages) Linear Technology – 15V, 200mA Synchronous Buck-Boost DC/DC Converter with 1.3A Quiescent Current

LTC3129
ABSOLUTE MAXIMUM RATINGS
(Notes 1, 8)
V_IN, V_OUT Voltages ..................................... –0.3V to 18V
SW1 DC Voltage............................. –0.3V to (V_IN + 0.3V)
SW2 DC Voltage..........................–0.3V to (V_OUT + 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 Voltages................................ –0.3V to 18V
V_CC, FB, PWM, MPPC 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
V_IN 2
V_CC 3
RUN 4
17
PGND
12 V_OUT
11 PGOOD
10 PWM
9 NC
5678
UD PACKAGE
16-LEAD (3mm × 3mm) PLASTIC QFN
T_JMAX = 125°C, θ_JC = 7.5°C/W, θ_JA = 68°C/W (NOTE 6)
EXPOSED PAD (PIN 17) IS PGND, MUST BE SOLDERED TO PCB
V_CC 1
RUN 2
MPPC 3
GND 4
FB 5
NC 6
NC 7
PWM 8
TOP VIEW
17
PGND
16 V_IN
15 BST1
14 SW1
13 PGND
12 SW2
11 BST2
10 V_OUT
9 PGOOD
MSE PACKAGE
16-LEAD PLASTIC MSOP
T_JMAX = 125°C, θ_JC = 10°C/W, θ_JA = 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#PBF
LTC3129EUD#TRPBF LGDR
16-Lead (3mm × 3mm) Plastic QFN
–40°C to 125°C
LTC3129IUD#PBF
LTC3129IUD#TRPBF
LGDR
16-Lead (3mm × 3mm) Plastic QFN
–40°C to 125°C
LTC3129EMSE#PBF
LTC3129EMSE#TRPBF 3129
16-Lead Plastic MSOP
–40°C to 125°C
LTC3129IMSE#PBF
LTC3129IMSE#TRPBF 3129
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/
3129fb
2
For more information www.linear.com/LTC3129