TPS53311RGTT

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Details for Texas Instruments
TPS53311RGTT
2.9V to 6V Input, 3A Synchronous Step-Down Converter with Eco-Mode and Smooth PWM
Buy Directly from Texas Instruments (4375 in Stock)
$1.6100 per unit
Series Information for TPS53311RGTT - Texas Instruments

Features

  • feature
    95.5% Maximum Efficiency
  • feature
    Adjustable Output Voltage Ranging From 0.6 V to 0.84 V u00d7 VIN
  • feature
    Continuous 3-A Output Current
  • feature
    Conversion Voltage Range From 2.9 V to 6 V
  • feature
    Internal Boot Strap Switch
  • feature
    Low RDS(on), 24 mu03a9 With 3.3-V Input and 19-mu03a9 With 5-V Input
  • feature
    Open-Drain Power Good Indication
  • feature
    Overcurrent, Overvoltage, and Overtemperature Protection
  • feature
    Small, 3 mm u00d7 3 mm, 16-Pin VQFN Package
  • feature
    SmoothPWMu2122 Auto-Skip Eco-modeu2122 for Light- Load Efficiency
  • feature
    Soft-Stop Output Discharge During Disable
  • feature
    Supports All MLCC Output Capacitor
  • feature
    Supports Master-Slave Interleaved Operation
  • feature
    Supports Prebias Start-Up Functionality
  • feature
    Synchronization up to u00b120% of Nominal Frequency
  • feature
    Voltage Mode Control
TPS53311RGTT image
RoHS Compliant

Description

IC BUCK CNTRL SYNC ADJ 16QFN

The TPS53311 provides a fully integrated 3-V to 5-V VIN integrated synchronous FET converter solution with 16 total components, in 200 mm2 of PCB area. Due to the low RDS(on) and TI Proprietary SmoothPWM™ skip mode of operation, it enables 95.5% peak efficiency, and over 90% efficiency at loads as light as 100 mA. It requires only two 22-µF ceramic output capacitors for a power-dense, 3-A solution. The TPS53311 features a 1.1-MHz switching frequency, SKIP mode operation support, prebias start-up, internal soft start, output soft discharge, internal VBST switch, power good, EN/input UVLO, overcurrent, overvoltage, undervoltage, and overtemperature protections and all ceramic output capacitor support. It supports supply voltage from 2.9 V to 3.5 V and conversion voltage from 2.9 V to 6 V, and output voltage is adjustable from 0.6 V to 0.84 V × VIN. The TPS53311 is available in the 3 mm × 3 mm 16-pin VQFN package (Green RoHs compliant and Pb free) and operates between –40°C and 85°C.

Specifications

Topology:
Synchronous Buck (Step Down)
Input Voltage Min:
2.9V
Input Voltage Max:
6V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
QFN
No. of Pins:
16Pins
Output Current:
3A
Output Voltage Min:
600mV
Output Voltage Max:
5.04V
Switching Frequency:
1.1MHz
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)
Base Number:
53311
Operating Temperature Min:
-40°C
Operating Temperature Range:
-40°C to +85°C
Output Voltage:
5.04V
Primary Input Voltage:
6V

Alternate Descriptions

Avnet America
Step-Down Regulator with Integrated Switcher 16-Pin QFN T/R
Avnet Europe
Step-Down Regulator with Integrated Switcher 16-Pin QFN T/R
Texas Instruments
2.9V to 6V Input, 3A Synchronous Step-Down Converter with Eco-Mode and Smooth PWM