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TPS61170DRVRTIN/a21000avai1.2A Switch, High Voltage Boost Converter in 2x2mm QFN Package 6-WSON -40 to 85


TPS61170DRVR ,1.2A Switch, High Voltage Boost Converter in 2x2mm QFN Package 6-WSON -40 to 85features, such as pulse-by-pulse overcurrent limit,• 6-Pin, 2-mm × 2-mm QFN Packagesoft start, and ..
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TPS61170DRVR
1.2A Switch, High Voltage Boost Converter in 2x2mm QFN Package
VIN 5 VHm D1
VIN SW
GND
COMP
4.7Fm
TPS 61170 R1
87.6 kW
VOUT12 V/ 300 mA
4.99 kW
4.7Fm regulator with integrated 1.2-A, 40-V power MOSFET.• High Output Voltage: Upto38V The device can be configuredin several standard• 1.2-A Integrated Switch switching-regulator topologies, including boost and
SEPIC. The device hasa wide input-voltage rangeto• 1.2-MHz Fixed Switching Frequency support applications with input voltage from multicell• 12Vat 300 mA and24Vat 150 mA From 5-V batteriesor regulated 5-V, 12-V power rails.Input (Typical)
The TPS61170 operates ata 1.2-MHz• Upto 93% Efficiency frequency, allowing the useof low-profile• On-The-Fly Output Voltage Reprogramming and low-value ceramic input and output• Skip-Switching Cycle for Output Regulationat External loop compensation components
Light Load user flexibility to optimize loop compensation
transient response. The device has built-in• Built-in Soft Start features, such as pulse-by-pulse overcurrent• 6-Pin, 2-mm× 2-mm QFN Package soft start, and thermal shutdown.
The FB pin regulatestoa reference voltageof 1.2292 Applications V. The reference voltage can be lowered usinga1-• 5-Vto 12-V and 24-V, 12-Vto 24-V Boost wire digital interface (Easyscale™ protocol) throughConverter the CTRL pin. Alternatively,a pulse width-modulation
(PWM) signal can be appliedto the CTRL pin. The• Buck Boost Regulation Using SEPIC Topology
duty cycle of the signal reduces the feedback• ADSL Modems reference voltage proportionally.
The TPS61170is availableina 6-pin 2-mm× 2-mm
QFN package, allowinga compact power-supply
solution.
Device Information(1)

(1) Forall available packages, see the orderable addendumat
the endofthe datasheet. Typical Application Schematic
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