Datasheet4U Logo Datasheet4U.com

SP1938 - DC-DC Step-Up Converter

Description

The SP1938 is a step-up DC/DC converter for white LED driver with over voltage protection.

The device can driver one to four LEDs in series from a single cell Lithium Ion battery.

Internal functions include current limiting; thermal shutdown; OVP and soft-start to prevent damage operate status.

Features

  • Current Source with Over Voltage Protection.
  • Fast 0.8MHz Switching Frequency.
  • High Efficiency up to 87%.
  • Drives up to Four LEDs From 3.2V Supply.
  • Drives up to Six LEDs From a 5V Supply.
  • Low Quiescent Current.
  • Disconnects LEDs in Shutdown Mode.
  • Internal Over Temperature and Current Limiting Shutdown Function.
  • Internal Soft-Start Circuit.
  • 26V Rugged Bipolar Switch.
  • Available in a Small SOT-23-6L Package PIN.

📥 Download Datasheet

Datasheet Details

Part number SP1938
Manufacturer SYNC POWER
File Size 260.49 KB
Description DC-DC Step-Up Converter
Datasheet download datasheet SP1938 Datasheet

📁 Similar Datasheet

Part Number Description Manufacturer
SP19001 IF SAW Filters SIPAT
SP195D10 SAW Delay Lines Electrical Characteristic SIPAT
SP1975 Thermoelectric Cooler marlow industries
SP100-1 Pressure Sensor Series Sensonor
SP100-15 Pressure Sensor Series Sensonor

Other Datasheets by SYNC POWER

Part Number Description
SP1937 DC-DC Step-Up Converter
SP1820 Four Channels Constant Current LED Driver
SP1821 Four Channels Constant Current LED Driver

Full PDF Text Transcription

Click to expand full text
SP1938 DC-DC Step-Up Converter for White LED DESCRIPTION The SP1938 is a step-up DC/DC converter for white LED driver with over voltage protection. The device can driver one to four LEDs in series from a single cell Lithium Ion battery. Internal functions include current limiting; thermal shutdown; OVP and soft-start to prevent damage operate status. The SP1938 operates at 0.8MHz apply to Lithium-Ion powered systems. A low 95mV reference voltage minimizes power loss in the current setting resistor for better efficiency. The SP1938 is available in small package SOT-23-6L. APPLICATIONS  Battery Power Equipment  Notebook Computers  PDA  Cellular Phone FEATURES  Current Source with Over Voltage Protection  Fast 0.
Published: |