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TPS61093DSKR
Low Input, 20V/1.1A Step-Up DC/DC Converter with Integrated Power Diode and Input/Output Isolation
294 kW 15 V/50 mAO
TPS61093
CP1
CP2EN
OUT
VIN
GNDSS
4.7Fm
10.2 kWHm 1.6 V to 6 VI 100 nF C2 0.1FmFm
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TPS61093SLVS992C –SEPTEMBER 2009–REVISED JULY 2015
TPS61093 Low-Input Boost Converter With Integrated Power Diode and• 20-V Internal Switch FET With 1.1-A Current input/output isolation switch, and power diode. When
the output current exceeds the overload limit, the• Fixed 1.2-MHz Switching Frequency isolation switchof theIC opens upto disconnect the• Efficiencyat 15-V Outputupto 88% output from the input, thus protecting theIC and the• Overload and Overvoltage Protection input supply. The isolation switch also disconnects
the output from the input during shutdownto minimize• Programmable Soft Start-up
leakage current. When the ICis shut down, the• Load Discharge Path AfterIC Shutdown output capacitoris dischargedtoa low voltage level• 2.5 mm× 2.5 mm× 0.8 mm WSON Package by internal diodes. Other protection features include
1.1-A peak overcurrent protection (OCP) at each
2 Applications cycle, output overvoltage protection (OVP), thermal
shutdown, and undervoltage lockout (UVLO).• Glucose Meters OLED Power Supplies With its 1.6-V minimum input voltage, theIC can be
powered by two alkaline batteries,a single Li-ion• 3.3-Vto 12-V, 5-Vto 12-V Boost Converters battery, or 3.3-V and 5-V regulated supply. The
output can be boosted upto 17-V. The TPS61093is
availablein 2.5 mm× 2.5 mm VSON package with
thermal pad.
Device Information(1)(1) Forall available packages, see the orderable addendumat
the endofthe datasheet.
Simplified Schematic
