TPS54315PWP Part Information

Details for TPS54315PWP by Texas Instruments

Electronic & Electrical Components>Semiconductors - ICs>Power Management

Part Description

As members of the SWIFT™ family of DC - DC regulators, the TPS54311, TPS54312, TPS54313, TPS54314, TPS54315 and TPS54316 low-inputvoltage high-outputcurrent synchronous-buck PWM converters integrate all required active components. Included on the substrate with the listed features are a true, high performance, voltage error amplifier that provides high performance under transient conditions; an undervoltage-lockout circuit to prevent start-up until the input voltage reaches 3 V; an internally and externally set slow-start circuit to limit in-rush currents; and a powergood output useful for processor/logic reset, fault signaling, and supply sequencing. The TPS54311, TPS54312, TPS54313, TPS54314, TPS54315 and TPS54316 devices are available in a thermally enhanced 20-pin HTSSOP (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 development cycles.

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Part Features

  • 0.9-V, 1.2-V, 1.5-V, 1.8-V, 2.5-V, and 3.3-V Fixed Output Voltage Devices With 1.0% Initial Accuracy
  • 60-mu03a9, MOSFET Switches for High Efficiency at 3-A Continuous Output Source and Sink Current
  • Fast Transient Response
  • Integrated Solution Reduces Board Area and
  • Internally Compensated for Low Parts Count
  • Load Protected by Peak Current Limit and Thermal Shutdown
  • Wide PWM Frequency u2212 Fixed 350 kHz, 550 kHz or Adjustable 280 kHz to 700 kHz

Part Specifications

Topology Synchronous Buck (Step Down)
Input Voltage Min 3V
Input Voltage Max 6V
DC / DC Converter IC Case HTSSOP
No. of Pins 20Pins
Output Current 3A
Output Voltage Nom. 2.5V
Switching Frequency 550kHz
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 2 - 1 year
SVHC No SVHC (27-Jun-2018)
Accuracy % 1%
Base Number 54315
Frequency 700kHz
IC Generic Number 54315
Logic Function Number 54315
No. of Outputs 1Outputs
On Resistance Rds(on) 85mohm
Operating Frequency 700kHz
Operating Temperature Min -40°C
Operating Temperature Range -40°C to +125°C
Output Voltage 2.5V
Power Supply IC Type Step-down convertor
Primary Input Voltage 6V
Supply Voltage Min 3V
Switch Output Current Isw Max 4A
Termination Type Surface Mount Device
Voltage Regulator Type Synchronous Buck
RoHS Compliant

Alternative Part Descriptions

  • SYNCHRONOUS BUCK PWM SWITCHER, 20-HTSSOP; Topology:Synchronous Buck (Step Down); Input Voltage Min:3V; Input Voltage Max:6V; DC / DC Converter IC Case:HTSSOP; No. of Pins:20Pins; Output Current:3A; Switching Frequency:550kHz RoHS Compliant: Yes | Newark Electronics
  • 3V to 6V Input, 3A Synchronous Step-Down SWIFT™ Converter with 2.5V Output  | Texas Instruments

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