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TPS61130PW Fiches technique(PDF) 1 Page - Texas Instruments |
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TPS61130PW Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 28 page Actual Size (5,0 mm x 6,4 mm) Actual Size (4,15 mm x 4,15 mm) www.ti.com OFF ON OFF ON OFF ON VBAT LBI SKIPEN EN LDOEN SWN VOUT FB PGOOD LBO LDOIN LDOOUT LDOSENSE GND PGND Control Inputs Control Outputs VOut1 VOut2 TPS61130 SWP 22 mH 22 mH 100 mF e.g. 3.3 V up to 300 mA 2.2 mF e.g. 1.5 V up to 300 mA 10 mF 1.8 V up to 6 V Input 10 mF TPS61130 TPS61131 TPS61132 SLVS431A – JUNE 2002 – REVISED AUGUST 2003 SYNCHRONOUS SEPIC / FLYBACK CONVERTER WITH 1.1A SWITCH AND INTEGRATED LDO FEATURES DESCRIPTION • Synchronous, Up To 90% Efficient, SEPIC The TPS6113x devices provide a complete power Converter With 300-mA Output Current From supply solution for products powered by either a one-cell Li-Ion or Li-Polymer or a two up to four-cell 2.5-V Input Alkaline, NiCd or NiMH batteries. The device can gen- • Integrated 200-mA Reverse Voltage Protected erate two regulated output voltages that are either LDO for DC/DC Output Voltage Post Regu- adjusted by an external resistor divider or fixed lation or Second Output Voltage internally on the chip. It also provides a simple and • Dual Input or Dual Output Mode efficient buck-boost solution for generating 3.3 V out of a one-cell Li-Ion or Li-Polymer battery at a maximum • Available in a 16 pin QFN 4x4 or in a output current of at least 300 mA with supply voltages TSSOP-16 Package down to 1.8 V. The implemented SEPIC converter is • 40-µA (Typical) Total Device Quiescent Cur- based on a fixed frequency, pulse-width-modulation rent (PWM) controller using a synchronous rectifier to ob- tain maximum efficiency. The maximum peak current in • Input Voltage Range: 1.8-V to 5.5-V the SEPIC switch is limited to a value of 1600 mA. • Adjustable Output Voltage up to 5.5-V, Fixed The converter can be disabled to minimize battery Output Voltage Options drain. During shutdown, the load is completely discon- • Power Save Mode for Improved Efficiency at nected from the battery. A low-EMI mode is im- Low Output Power plemented to reduce ringing and in effect lower radi- • High Efficient Li-Ion to 3.3-V Conversion ated electromagnetic energy when the converter enters the discontinuous conduction mode. A power good • Low Battery Comparator output at the SEPIC stage provides additional control of • Power Good Output any connected circuits like cascaded power supply stages or microprocessors. • Low EMI-Converter (Integrated Antiringing Switch) The built-in LDO can be used for a second output • Load Disconnect During Shutdown voltage derived either from the SEPIC output or directly from the battery. The output voltage of this LDO can be • Overtemperature Protection programmed by an external resistor divider or is fixed internally on the chip. The LDO can be enabled separ- APPLICATIONS ately i.e., using the power good of the SEPIC stage. • All Single Cell Li, Dual or Triple Cell Battery or The device is packaged in a 16-pin QFN 4 x 4 mm USB Powered Products as MP-3 Player, PDAs, (16RSA) or in a 16-pin TSSOP (16 PW) package. and Other Portable Equipment 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. PRODUCTION DATA information is current as of publication date. Copyright © 2002 – 2003, Texas Instruments Incorporated Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily in- clude testing of all parameters. |
Numéro de pièce similaire - TPS61130PW |
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Description similaire - TPS61130PW |
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