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TPS650242RHBR Datasheet(PDF) 3 Page - Texas Instruments |
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TPS650242RHBR Datasheet(HTML) 3 Page - Texas Instruments |
3 / 33 page www.ti.com RECOMMENDED OPERATING CONDITIONS TPS650240 ,, TPS650241 TPS650242, TPS650243 TPS650244, TPS650245 SLVS774A – JUNE 2007 – REVISED DECEMBER 2007 MIN NOM MAX UNIT VINDCDC1, 2.5 6.0 V VINDCDC2, Input voltage range step-down converters VINDCDC3, VCC VDCDC1 Output voltage range for VDCDC1 step-down converter(1) 0.6 VINDCDC1 V VDCDC2 Output voltage range for mem step-down converter(1) 0.6 VINDCDC2 V VDCDC3 Output voltage range for core step-down converter 0.9 1.5 V VINLDO1, VINLDO2 Input voltage range for LDOs 1.5 6.5 V VLDO1-2 Output voltage range for LDOs 1.0 VINLDO1-2 V IOUTDCDC1 Output current at L1 1600 mA L1 Inductor at L1(2) 1.5 2.2 µH CINDCDC1 Input capacitor at VINDCDC1 (2) 10 µF COUTDCDC1 Output capacitor at VDCDC1 (2) 10 22 µF IOUTDCDC2 Output current at L2 1600 mA L2 Inductor at L2(2) 1.5 2.2 µH CINDCDC2 Input capacitor at VINDCDC2 (2) 10 µF COUTDCDC2 Output capacitor at VDCDC2 (2) 10 22 µF IOUTDCDC3 Output current at L3 800 mA L3 Inductor at L3(2) 1.5 2.2 µH CINDCDC3 Input capacitor at VINDCDC3 (2) 10 µF COUTDCDC3 Output capacitor at VDCDC3 (2) 10 22 µF CVCC Input capacitor at VCC(2) 1 µF Cin1-2 Input capacitor at VINLDO(2) 1 µF COUT1-2 Output capacitor at VLDO1, VLDO2(2) 2.2 µF ILDO1,2 Output current at VLDO1, VLDO2 200 mA CVRTC Output capacitor at Vdd_alive(2) 2.2 µF IVdd_alive Output current at Vdd_alive 30 mA TA Operating ambient temperature –40 85 °C TJ Operating junction temperature –40 125 °C RCC Resistor from VINDCDC3,VINDCDC2, VINDCDC1 to Vcc used for filtering(3) 1 10 Ω (1) When using an external resistor divider at DEFDCDC2, DEFDCDC1. (2) See applications section for more information, for Vout > 2.85V choose 3.3 µH inductor. (3) Up to 2.5mA can flow into Vcc when all 3 converters are running in PWM, this resistor will cause the UVLO threshold to be shifted accordingly. Copyright © 2007, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): TPS650240 TPS650241 TPS650242 TPS650243 TPS650244 TPS650245 |
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