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TPS51020

Features: Wide Input Voltage Range: 4.5-V to 28-V Selectable Dual and DDR Modes Selectable Fixed Frequency Voltage Mode Integrated Selectable Output Discharge Advanced Power Good Logic Monitors both Channels Selectable Autoskip Mode Integrated Boot Strap Diodes180° Phase Shift Between Channels Int...

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SeekIC No. : 004526844 Detail

TPS51020: Features: Wide Input Voltage Range: 4.5-V to 28-V Selectable Dual and DDR Modes Selectable Fixed Frequency Voltage Mode Integrated Selectable Output Discharge Advanced Power Good Logic Monitors both...

TPS51020 Data Sheet

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Part Number:
TPS51020
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

 Wide Input Voltage Range: 4.5-V to 28-V
Selectable Dual and DDR Modes
Selectable Fixed Frequency Voltage Mode
Integrated Selectable Output Discharge
Advanced Power Good Logic Monitors both Channels
Selectable Autoskip Mode
Integrated Boot Strap Diodes
180° Phase Shift Between Channels
Integrated 5-V, 60-mA Regulator
Input Feedforward Control
1% Internal 0.85-V Reference
RDS(on) Overcurrent Detection (4200 ppm/°C)
Integrated OVP, UVP and Power Good Timers
30-pin TSSOP Package


Application

 Notebook Computers System Bus and I/O
DDR I or DDR II Termination


Pinout

Connection Diagram


Specifications

  TPS51020 UNIT
Input voltage range VBST1, VBST2 −0.3 to 35 V
VBST1, VBST2 (with respect to LL ) −0.3 to 7
VIN, TRIP1, TRIP2, ENBL1, ENBL2, DDR −0.3 to 30
SKIP, INV1, INV2 −0.3 to 7
Ouput voltage range OUT1_U, OUT2_U −1 to 35
OUT1_U, OUT2_U (with respect to LL ) −0.3 to 7
LL1, LL2 −1 to 30
REF_X −0.3 to 15
PGOOD, VO1_VDDQ, VO2, OUT1_D, OUT2_D, COMP1, COMP2, VREG5,
SSTRT1, SSTRT2		 −0.3 to 7
OUTGND1, OUTGND2 −0.3 to 0.3
Output current range VREG5 70 mA
REF_X 7
Operating free-air temperature range, TA −40 to 85 °C
Storage temperature range, Tstg −55 to 150
Junction temperature range, TJ −40 to 125
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds 300



Description

The TPS51020 is a multi-function dualsynchronous step-down controller for notebook system power. The part is specifically designed for high performance, high efficiency applications where the loss associated with a current sense resistor is unacceptable. The TPS51020 utilizes feed forward voltage mode control to attain high efficiency without sacrificing line response.Efficiency at light load conditions can be maintained high as well by incorporating autoskip operation. A selectable, Suspend to RAM (STR)supported, DDR option of TPS51020 provides a one chip solution for all switching applications from 5-V/3.3-V supply to a complete DDR termination solution.




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