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SC508ULTRT +BOM

Buck Regulator Positive Output Step-Down DC-DC Controller IC 20-MLPQ-UT (3x3)

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SC508ULTRT General Description

Buck Regulator Positive Output Step-Down DC-DC Controller IC 20-MLPQ-UT (3x3)

Key Features

  • Power system
  • Input voltage — 4.5V to 46V
  • Integrated bootstrap switch
  • Fixed 5V LDO output — 200mA
  • 1% reference tolerance -40 to +85 °C
  • Selectable internal/external bias power supply
  • EcoSpeed® architecture with pseudo-fixed frequency adaptive on-time control
  • Logic input and output control
  • Independent control EN for LDO and switcher
  • Programmable soft-start time
  • Programmable VIN UVLO threshold
  • Power Good output
  • Selectable power-save mode
  • Programmable ultrasonic power-save mode
  • Protections
  • Automatic restart on fault shutdown
  • Over-voltage and under-voltage
  • TC compensated RDS(ON) sensed current limit
  • Thermal shutdown
  • Smart power-save
  • Pre-bias start-up
  • Capacitor types: SP, POSCAP, OSCON, and ceramic
  • Package — 3 x 3(mm), 20-pin MLPQ
  • Lead-free and halogen-free
  • RoHS and WEEE compliant
  • AEC-Q100 Qualified available in SC508A

Application

  • Office automation and computing
  • Networking and telecommunication equipment
  • Point-of-load power supplies and module replacement
  • Automotive applications
  • Packaging
  • MLPQ 20-pin 3 x 3(mm)
  • Order Codes
  • SC508ULTR - Lead-free packaging only. Device is WEEE and RoHS compliant and halogen-free
  • SC508AULTRT - Lead-free packaging only. Device is WEEE and RoHS compliant and halogen-free

Specifications

Product Category: Switching Controllers Topology: Buck
Number of Outputs: 1 Output Switching Frequency: 1 MHz
Input Voltage: 4.5 V to 46 V Output Voltage: 5 V
Output Current: 200 mA Minimum Operating Temperature: - 40 C
Maximum Operating Temperature: + 85 C Mounting Style: SMD/SMT
Packaging: MouseReel Description/Function: Synchronous EcoSpeed buck regulator
Development Kit: SC508EVB Fall Time: 3.5 ns, 12 ns
Isolation: Non-Isolated Operating Supply Current: 13 mA
Operating Supply Voltage: 4.5 V to 5.5 V Product: Voltage Mode PWM Controllers
Product Type: Switching Controllers Rise Time: 7 ns, 22 ns
Series: SC508 Shutdown: Shutdown
Factory Pack Quantity: 3000 Subcategory: PMIC - Power Management ICs

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