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TPS54073

Features: · 8-mW MOSFET Switches for High Efficiencyat14.5-A Peak Output Current· Separate Low-Voltage Power Bus· Disabled Current Sinking During Start-Up· Adjustable Output Voltage Down to 0.9 V· Wide PWM Frequency: Fixed 350 kHz, 550 kHz or Adjustable 280 kHz to 700 kHz· Synchronizable to 700 kH...

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SeekIC No. : 004526869 Detail

TPS54073: Features: · 8-mW MOSFET Switches for High Efficiencyat14.5-A Peak Output Current· Separate Low-Voltage Power Bus· Disabled Current Sinking During Start-Up· Adjustable Output Voltage Down to 0.9 V· W...

TPS54073 Data Sheet

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Part Number:
TPS54073
Supply Ability:
5000

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

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Product Details

Description



Features:

· 8-mW MOSFET Switches for High Efficiency at14.5-A Peak Output Current
· Separate Low-Voltage Power Bus
· Disabled Current Sinking During Start-Up
· Adjustable Output Voltage Down to 0.9 V
· Wide PWM Frequency: Fixed 350 kHz, 550 kHz or Adjustable 280 kHz to 700 kHz
· Synchronizable to 700 kHz
· Load Protected by Peak Current Limit andThermal Shutdown
· Integrated Solution Reduces Board Area and Total cost


Application

· Low-Voltage, High-Density Distributed Power Systems
· Point of Load Regulation for High Performance DSPs, FPGAs, ASICs, and Microprocessors
· Broadband, Networking, and Optical Communications Infrastructure
· Power PC Series Processors


Specifications

TPS54073
UNIT
 VI Input voltage range SS/ENA, SYNC
0.3 to 7
V
RT
0.3 to 6
VSENSE
0.3 to 4
PVIN, VIN
0.3 to 4.5
BOOT
0.3 to 10
 VO Output voltage range VBIAS, COMP, PWRGD
0.3 to 7
V
PH
0.6 to 6
 VO Source current PH
Internally limited
COMP, VBIAS
6
mA
 IS Sink current PH
25
A
COMP
6
mA
SS/ENA, PWRGD
10
     Voltage differential AGND to PGND
±0.3
V
 TJ  Operating junction temperature range
40 to 125
 Tstg Storage temperature range
65 to 150
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
300
Electrostatic Discharge (ESD) ratings
 Human body model (HBM)
1
kV
CDM
1000
V



Description

As a member of the SWIFT™family of dc/dc regulators, the TPS54073 low-input voltage high-output current synchronous buck PWM converter integrates all required active components. Included on the substrate with the listed features of TPS54073 are a true, high performance, voltage error amplifier that enables maximum performance and flexibility in choosing the output filter L and C components; an tuhnedeirnvpoulttagveo-llotacgkeoutrecaicrchueist to3 pVre;veannt sintatertr-nuapllyunotirl externally set slow-start circuit to limit in-rush currents; and a power good output useful for processor/logic reset, fault signaling, and supply sequencing.

For reliable power up in output precharge applications, the TPS54073 is designed to only source current during start-up.

The TPS54073 is available in a thermally enhanced 28-pin TSSOP (PWP) PowerPAD™ package, which eliminates bulky heatsinks. TI provides evaluation modules and the SWIFT™ designer software tool to aid in quickly achieving high-performance power supply designs to meet aggressive equipment deveopment cycles




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