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TPS82740BSIPR Datasheet(PDF) 1 Page - Texas Instruments |
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TPS82740BSIPR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 28 page TPS82740B TPS82740 extends light load efficiency range down to 10 A output current m V = 3.6V V = 3.3V IN OUT Current DCS-Control topology TM GND VOUT up to 200mA C IN TPS82740 L VIN 2.2 V to 5.5 V C OUT Switched Supply R = 0.6 ON ENABLE DC/DC Converter VOUT VSEL3 SW VIN CTRL VSEL1 LOAD VSEL2 EN GND VSEL1 VSEL2 VSEL3 Control for Switched Supply Rail Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS82740A, TPS82740B SLVSCE3A – JUNE 2014 – REVISED JUNE 2014 TPS82740x 360nA IQ MicroSIP TM Step Down Converter Module for Low Power Applications This new DCS-Control™ based device extends the 1 Features light load efficiency range below 10µA load currents. 1 • 360nA Typical Quiescent Current It supports output currents up to 200mA. • Up to 90% Efficiency at 10µA Output Current The device operates from rechargeable Li-Ion • Pin Selectable Output Voltages in 100mV Steps batteries, Li-primary battery chemistries such as Li- • Integrated Slew Rate Controlled Load Switch SOCl2, Li-MnO2 and two or three cell alkaline batteries. The input voltage range up to 5.5V also • Up to 200mA Output Current allows operation from an USB port and thin-film solar • Input Voltage Range VIN from 2.2V to 5.5V modules. • RF Friendly DCS-Control™ The output voltage is user selectable by three voltage • Low Output Voltage Ripple select pins (VSEL), within a range from 1.8V to 2.5V • Automatic Transition to No Ripple 100% Mode (TPS82740A) and 2.6V to 3.3V (TPS82740B) in 100mV steps. The TPS82740 features low output • Discharge Function on VOUT and LOAD voltage ripple and low noise. Once the battery voltage • Sub 1.1-mm Profile Solution comes close to the output voltage (close to 100% • Total Solution Size <6.7mm2 duty cycle), the device enters no ripple 100% mode • Small 2.3 mm x 2.9 mm MicroSIP™ Package operation preventing an increase of output voltage ripple. In this case the device stops switching and the output is connected to the input voltage. 2 Applications The integrated slew rate controlled load switch with a • Bluetooth® Low Energy, RF4CE, Zigbee typical ON-resistance of 0.6 Ω distributes the selected • Wearable Electronics output voltage to a temporarily used sub-system. • Energy Harvesting The TPS82740 is available in a small 9 bump 6.7mm2 MicroSiPTM package. 3 Description The TPS82740 is the industry's first step down Device Information(1) converter module featuring typically 360nA quiescent PART NUMBER PACKAGE BODY SIZE (NOM) current consumption. It is a complete MicroSIPTM TPS82740A µSIP 2.30 mm × 2.90 mm DC/DC step-down power solution intended for ultra low-power applications. The module includes the TPS82740B µSIP 2.30 mm × 2.90 mm switching regulator, inductor and input/output (1) For all available packages, see the orderable addendum at capacitors. The integration of all required passive the end of the datasheet. components enables a tiny solution size of only 6.7mm2. 4 Typical Application 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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