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TPS650244RHBTG4 Datasheet(PDF) 11 Page - Texas Instruments |
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TPS650244RHBTG4 Datasheet(HTML) 11 Page - Texas Instruments |
11 / 33 page www.ti.com FUNCTIONAL BLOCK DIAGRAM EN_DCDC 1 ENABLE VCC VLDO 1 200 mA LDO VLDO1 VLDO2 VINDCDC 1 VLDO 2 200 mA LDO VIN_LDO ENABLE VIN MODE 2.2 mF 2.2 mF 1mF 1R 10mF TPS650240 EN_LDO Vbat PWRFAIL AGND 1 I/Ovoltage R19 L1 DEFDCDC 1 VDCDC1 PGND 1 DCDC1 (I/O) STEP-DOWN CONVERTER 1000 mA 2.2 mH 22 mF R1 R2 EN_DCDC 2 VINDCDC 2 10mF L2 DEFDCDC 2 VDCDC2 PGND 2 DCDC 2 (memory) STEP-DOWN CONVERTER 800 mA 2.2 mH 22 mF R3 R4 EN_DCDC 3 VINDCDC 3 10mF L3 DEFDCDC 3 VDCDC 3 PGND 3 DCDC 3 (core) STEP-DOWN CONVERTER 800 mA 2.2uH 22 mF R5 R6 Vbat Vbat Vbat Vdd_alive VLDO 3 30 mA LDO 2.2 mF 1.2 V 3.3Vor 2.8V 2.5Vor 1.8V 1.0Vor 1.3V VCC PWRFAIL _SNS Vbat Vref=1V + - R9 R10 AGND2 PWM / PFM EN_Vdd_aliv e ENABLE 1.0V / 1.3V R7 R8 ENABLE ENABLE TPS650240 ,, TPS650241 TPS650242, TPS650243 TPS650244, TPS650245 SLVS774A – JUNE 2007 – REVISED DECEMBER 2007 Copyright © 2007, Texas Instruments Incorporated Submit Documentation Feedback 11 Product Folder Link(s): TPS650240 TPS650241 TPS650242 TPS650243 TPS650244 TPS650245 |
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