PWM Controllers
  • SC418
  • DC-DC Buck PWM Controller with Programmable LDO
  • SC419
  • Single Phase DC-DC Converter with Integrated Boost Diode
  • SC454
  • Single-Phase Single Chip IMVP-6/6+ Vcore Power Supply
  • SC493
  • Step-down Controller with I2C Interface
  • SX1239
  • Low Power Integrated UHF Receiver
  • SC4538
  • High Efficiency Boost Converter for up to 10 LEDs
  • SC4539
  • High Efficiency Boost Converter for up to 6 LEDS
  • SC561
  • Dual Output Low Noise LDO Linear Regulator
  • SC810
  • Single Input/Single Mode Single-cell Li-ion Battery Charger
  • SCDAS4F
  • Standard Recovery, High Current Center Tap and Doubler Rectifier Assemblies
Semtech SC4808A

Semtech SC4808A

High-Performance Dual Ended PWM Controller

Features


  • 120 µA starting current
  • Pulse-by-pulse current limit
  • Programmable operation up to 1 MHz
  • Internal soft start
  • Programmable line under-voltage lockout
  • Over-current shutdown
  • Dual output drive stages on push-pull configuration
  • Programmable internal slope compensation
  • Programmable mode of operation (peak current mode or voltage mode)
  • External frequency synchronization
  • Bi-phase mode of operation
  • MSOP-10 package
  • -40°C to +105°C operating temperature

Applications


  • Telecom equipment and power supplies
  • Networking power supplies
  • Industrial power supplies
  • Push-pull converter
  • Half-bridge converter
  • Full-bridge converter
  • Isolated VRMs

Packaging

MSOP-10

Order Codes

  • SC4808AIMSTR: Package Minimum Tape & Reel Only
  • SC4808AIMSTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only