TPS53317ARGBT Part Information

Details for TPS53317ARGBT by Texas Instruments

Electronic & Electrical Components>Semiconductors - ICs>Power Management

Part Description

The TPS53317A device is a FET-integrated synchronous buck regulator designed mainly for DDR termination. It can provide a regulated output at ½ VDDQ with both sink and source capability. The TPS53317A device employs D-CAP+ mode operation that provides ease of use, low external component count and fast transient response. The device can also be used for other point-of-load (POL) regulation applications requiring up to 6 A. In addition, the device supports full, 6-A, output sinking current capability with tight voltage regulation. The device features two switching frequency settings (600 kHz and 1 MHz), integrated droop support, external tracking capability, pre-bias startup, output soft discharge, integrated bootstrap switch, power good function, V5IN pin UVLO protection, and supports both ceramic and SP/POSCAP capacitors. It supports input voltages up to 6.0 V, and output voltages adjustable from 0.45 V to 2.0 V. The TPS53317A device is available in the 3.5 mm × 4 mm, 20-pin, VQFN package (Green RoHs compliant and Pb free) with TI proprietary Integrated MOSFET and packaging technology and is specified from –40°C to 85°C.

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Part Features

  • 0.9-V to 6-V Conversion Voltage
  • 3.5 mm u00d7 4 mm, 20-Pin, VQFN Package
  • Adjustable Output Voltage from 0.45 V to 2 V
  • D-CAP+u2122 Mode Architecture
  • External Tracking
  • Minimum External Components Count
  • Optimized Efficiency at Light and Heavy Loads
  • Overvoltage, Over-Temperature and Hiccup Undervoltage Protection
  • Selectable 600-kHz or 1-MHz Switching Frequency
  • Selectable Overcurrent Limit (OCL)
  • Selectable SKIP Mode or Forced CCM
  • Supports All MLCC Output Capacitors and SP/POSCAP
  • Supports DDR Memory Termination with up to 6-A Continuous Output Source or Sink Current
  • TI-Proprietary Integrated MOSFET and Packaging Technology

Part Specifications

Topology Synchronous Buck (Step Down)
Input Voltage Min 4.5V
Input Voltage Max 6.5V
No. of Outputs 1Outputs
DC / DC Converter IC Case VQFN
No. of Pins 20Pins
Output Current 6A
Output Voltage Min 450mV
Output Voltage Max 2V
Switching Frequency 1MHz
Operating Temperature Max 125°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL -
SVHC No SVHC (27-Jun-2018)
RoHS Compliant

Alternative Part Descriptions

  • 0.9V-6V Input, 6-A Output, D-CAP+ Mode, SWIFT Synchronous Step-Down Converter for DDR VTT | Texas Instruments

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