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TLF50251ELXUMA2

Switching Voltage Regulators OPTIREG SWITCHER

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TLF50251ELXUMA2 General Description

Buck Switching Regulator IC Positive Fixed 5V 1 Output 500mA 14-LSSOP (0.154", 3.90mm Width) Exposed Pad

Infineon Technologies Corporation Inventory

Key Features

  • 500 mA step down voltage regulator
  • 5 V Output voltage
  • Low quiescent current (less than 45μA at nominal battery voltage)
  • Current mode PWM regulation
  • PFM mode for light load current
  • Input voltage range from 4.75V to 45V
  • Integrated power transistor
  • 2.2 MHz switching frequency
  • 100% Duty cycle
  • Synchronization input
  • Very low shutdown current consumption (<2 μA)
  • Integrated compensation
  • Integrated soft-start function
  • Reset generator with adjustable threshold
  • Input undervoltage lockout
  • Suited for automotive applications:>
  • Green Product (RoHS compliant)
  • AEC Qualified
  • Pin-compatible family approach
  • Low current consumption for permanently Vbat-connnected systems
  • High switching frequency reduces value and size of coil and output capacitor
  • Low drop-out operation due to 100% DC
  • No external components required for compensation and soft-start
  • Flexibility in setting reset threshold
  • One base design for multiple requirements by family approach
Infineon Technologies Corporation Original Stock

Application

  • Body
  • Cluster
  • Infotainment
  • General purpose replacement of LDO

Specifications

Category Integrated Circuits (ICs)Power Management (PMIC)Voltage Regulators - DC DC Switching Regulators Series -
Function Step-Down Output Configuration Positive
Topology Buck Output Type Fixed
Number of Outputs 1 Voltage - Input (Min) 4.75V
Voltage - Input (Max) 45V Voltage - Output (Min/Fixed) 5V
Voltage - Output (Max) - Current - Output 500mA
Frequency - Switching 2.25MHz Synchronous Rectifier No
Operating Temperature -40°C ~ 150°C (TJ) Mounting Type Surface Mount
Base Product Number TLF50251 RHoS yes
PBFree yes HalogenFree yes

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TLF50251ELXUMA2 Datasheet PDF

Preliminary Specification TLF50251ELXUMA2 PDF Download

TLF50251ELXUMA2 PDF Preview

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Availability: 6388 PCS

+BOM
Qty. Unit Price Ext. Price
1+ $1.096 $1.10
200+ $0.425 $85.00
500+ $0.409 $204.50
1000+ $0.403 $403.00

The prices below are for reference only.

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