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TPS63700DRCT
Actual Size 3 mm x 3 mm www.ti.com TPS63700 SLVS530B – SEPTEMBER 2005 – REVISED NOVEMBER 2007 DC-DC INVERTER Check for Samples: TPS63700 FEATURES 1 • • • • • • 2 • • • • Adjustable Output Voltage Down to –15 V 2.7-V to 5.5-V Input Voltage Range Up to 360-mA Output Current 1000-mA Typical Switch Current Limit Up to 84% Efficiency Typical 1.4-MHz Fixed-Frequency PWM Operation Thermal Shutdown Typical –19 V Output Overvoltage Protection 1.5-mA Shutdown Current Small 3-mm × 3-mm SON-10 Package (DRC) APPLICATIONS • • • • DESCRIPTION The TPS63700 is an inverting dc-dc converter generating a negative output voltage down to –15 V with output currents up to 360-mA, depending on input-voltage to output-voltage ratio. With a total efficiency up to 84%, the device is ideal for portable battery-powered equipment. The input voltage range of 2.7-V to 5.5-V allows the TPS63700 to be directly powered from a Li-ion battery, from 3-cell NiMH/NiCd, from a 3.3-V or 5-V supply rail. The TPS63700 comes in a small 3-mm × 3-mm SON-10 package. Furthermore, the high switching frequency of typically 1.4 MHz allows the use of small external components. This, and the small package make a small power supply solution possible. The inverter operates with a fixed-frequency PWM control topology. The device has an internal current limit, overvoltage protection, and a thermal shutdown for highest reliability under fault conditions. Generic Negative Voltage Supply Small-to-Medium Size OLED Displays PDAs, Pocket PCs, Smartphones Bias Supply TPS63700 C2 VIN R1 C1 0.1 mF R2 VREF 0.22 mF EN FB R3 OUT PS_GND D1 IN VIN 2.7 V To 5.5 V C4 10 mF GND VOUT −5 V SW PowerPAD COMP L1 4.7 mH C5 22 mF C6 4.7 nF 1 2 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PowerPAD is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Copyright © 2005–2007, Texas Instruments Incorporated
TI
Texas Instruments Incorporated
U.S.A
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