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TI TPS53321RGTT product image
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TI TPS53321RGTTRoHS

Manufacturer
TI
MPN
TPS53321RGTT
LCSC Part #
C1880062
Packaging
VQFN-16-EP(3x3)
Customer #
Key Attributes
Step-Down Regulator With Integrated Switcher
Datasheetpdf iconTI TPS53321RGTT
In-Stock: 23
23 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 1.901$ 1.90
10+$ 1.8538$ 18.54
30+$ 1.8229$ 54.69
100+$ 1.7903$ 179.03
Standard Packaging250/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators
ManufacturerTI
PackagingVQFN-16-EP(3x3)
Operating Temperature-40℃~+85℃@(TA)
Frequency - Switching1.1MHz
FunctionStep-down type
Number of Outputs1
FeaturesLight load efficient mode;Frequency synchronization;Output discharge;Overcurrent Protection;Hiccup current limiting;Operating status indication;External compensation
Output TypeAdjustable
TopologyBuck
Operating Voltage2.9V~6V
Switch tube (built-in/external)Built-in
Output Voltage600mV~5.04V
Output Current5A
Quiescent Current2.2mA
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging250
Sales UnitPiece

Introduction

AI Translation

The TPS53321 device 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 ON-resistance and TI's Proprietary SmoothPWM™skip mode of operation, it enables 96% 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 5-A solution. The TPS53321 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 2.9V to 3.5V and conversion voltage from 2.9V to 6V. The output voltage is adjustable from 0.6V to 0.84 × VIN. The TPS53321 is available in the 3 mm × 3 mm 16-pin QFN package (Green RoHs compliant and Pb free) and operates between -40°C and 85°C.

Features

AI Translation
  • 96% Maximum Efficiency
  • Continuous 5-A Output Current
  • Supports All MLCC Output Capacitor
  • SmoothPWM™Auto-Skip Eco-Mode™for Light Load Efficiency
  • Optimized Efficiency at Light and Heavy Loads
  • Voltage Mode Control
  • Supports Master-Slave Interleaved Operation
  • Synchronization up to ±20% of Nominal Frequency
  • Conversion Voltage Range Between 2.9 V and 6 V
  • Soft-Stop Output Discharge During Disable
  • Adjustable Output Voltage Ranging Between 0.6 V and 0.84 × VIN
  • Overcurrent, Overvoltage, and Overtemperature Protection
  • Small 3 mm × 3 mm, 16-Pin QFN Package
  • Open-Drain Power Good Indication
  • Internal Boot Strap Switch
  • Low RDS(on), 24 mΩ With 3.3-V Input and 19-mΩ With 5-V Input
  • Supports Prebias Start-Up

Applications

AI Translation
  • 5-V Step-Down Rails
  • 3.3-V Step-Down Rails