Switching Regulators
  • SC195F
  • 3.5MHz, 500mA Synchronous Step Down DC-DC Regulator
  • SC202F
  • 3.5MHz, 500mA Step-down Regulator with Integrated Inductor
  • SC21150
  • Tiny 1.2A Synchronous Buck Regulator
  • SC21152
  • Tiny 1.2A Synchronous Buck Regulator with Power Good
  • SC21154
  • Tiny 1.2A Synchronous Buck Regulator with Programmable Soft Start
  • SC221
  • 20MHz, 650mA, X-EMI™-Enabled Synchronous Step-Down Regulator
  • SC284A
  • Dual Channel 2.5MHz, 2.0A Synchronous Buck Regulator
  • SC284AQ
  • Dual Channel 2.5MHz, 1.7A Synchronous Buck Regulator
Semtech SC202A

Semtech SC202A

3.5MHz, 500mA Step-down Regulator With Integrated Inductor and Digital Programmable Output

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The SC202A is a high efficiency 500mA step-down regulator that includes an integrated inductor inside the package. The input voltage range makes it ideal for battery operated applications with space limitations.


  • Input Voltage — 2.9V to 5.5V
  • Output Voltage — 0.8V to 3.3V
  • Output current capability — 500mA
  • Internal inductor
  • Programmable output voltages — 15
  • High light-load efficiency via automatic PSAVE mode
  • Fast transient response
  • Temperature range — -40 to +85°C
  • Oscillator frequency — 3.5MHz
  • 100% duty cycle capability
  • Quiescent current — 38μA typical
  • Shutdown current — 0.1μA typical
  • Internal soft-start
  • Over-voltage protection
  • Current limit and short circuit protection
  • Over-temperature protection
  • Under-voltage lockout
  • Floating control pin protection
  • MLPQ-13 — 2.5 x 3.0 x 1.0 (mm) package
  • Lead-free and halogen-free
  • WEEE and RoHS compliant


  • Point of load regulation
  • Smart phones and cellular phones
  • MP3/personal media players
  • Personal navigation devices
  • Digital cameras
  • Single Li-ion cell or 3 NiMH/NiCd cell devices
  • Devices with 3.3V or 5V internal power rails


  • MLPQ-13 — 2.5 x 3.0

Order Codes

  • SC202AMLTRT - Lead free, WEEE and RoHS compliant and halogen-free
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