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The TPS6101x devices are boost converters intended for systems that are typically operated from a single- or dual-cell nickel-cadmium (NiCd), nickel-metal hydride (NiMH), or alkaline battery. The converter output voltage can be adjusted from 1.5 V to a maximum of 3.3 V,by an external resistor divider or, is fixed internally on the chip. The devices provide an output current of 200mA with a supply voltage of only 0.9 V. The converter starts up into a full load with a supply voltage of only 0.9 V and stays in operation with supply voltages down to 0.8 V.
The converter is based on a fixed frequency, current mode, pulse-width-modulation (PWM) controller that goes automatically into power save mode at light load.It uses a built-in synchronous rectifier, so, no external Schottky diode is required and the system efficiency is improved. The current through the switch is limited to a maximum value of 1300 mA. The converter can be disabled to minimize battery drain. During shutdown,the load is completely isolated from the battery.
TPS61010 Maximum Ratings
UNIT
Input voltage range on
VBAT, VOUT, SW, EN, LBI, FB, ADEN
-0.3 V to 3.6 V
SW
-0.3 V to 7 V
Voltage range on: LBO, COMP
3.6 V
Peak current into SW
1300 mA
Continuous total power dissipation
See Dissipation Rating Table
Operating free-air temperature range, TA
-40°C to 85°C
Maximum junction temperature, TJ
150°C
Storage temperature range, Tstg
-65°C to 150°C
Lead temperature 1,6 mm (1/16 inch) from case for 10s
-65°C to 150°C
TPS61010 Features
·Integrated Synchronous Rectifier for Highest put capacitor during shutdown mode. This is especially Power Conversion Efficiency (>95%) · Start-Up Into Full Load With Supply Voltages as Low 0.9 V, Operating Down to 0.8 V · 200-mA Output Current From 0.9-V Supply · Powersave-Mode for Improved Efficiency at Low Output Currents · Autodischarge Allows to Discharge Output Capacitor During Shutdown space saving 10-pinMSOP package. · Device Quiescent Current Less Than 50 µA · Ease-of-Use Through Isolation of Load From Battery During Shutdown of Converter · Integrated Antiringing Switch Across Inductor · Integrated Low Battery Comparator · Micro-Small 10-Pin MSOP Package · Applications Include All Single- or Dual-Cell Battery Operated Products Like Internet Audio Players, Pager, Portable Medical Diagnostic Equipment, Remote Control, Wireless Headsets · EVM Available (TPS6101xEVM-157)
TPS61010 Typical Application
Audio www.ti.com/audio Automotive www.ti.com/automotive Broadband www.ti.com/broadband Digital Control www.ti.com/digitalcontrol Military www.ti.com/military Optical Networking www.ti.com/opticalnetwork Security www.ti.com/security Telephony www.ti.com/telephony Video & Imaging www.ti.com/video Wireless www.ti.com/wireless