Datasheet4U Logo Datasheet4U.com

SP1937 - DC-DC Step-Up Converter

Description

The SP1937 is a step-up DC/DC converter for white LED driver with constant current.

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

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

Features

  • Fast 1.2MHz Switching Frequency.
  • High Efficiency up to 85%.
  • Drives up to seven LEDs From 2.5V Supply.
  • Low Quiescent Current.
  • Disconnects LEDs in Shutdown Mode.
  • Internal Over Temperature and Current Limiting Shutdown Function.
  • 36V Rugged Bipolar Switch.
  • Small Package SOT-23-5L & SOT-353 PIN.

📥 Download Datasheet

Datasheet Details

Part number SP1937
Manufacturer SYNC POWER
File Size 671.51 KB
Description DC-DC Step-Up Converter
Datasheet download datasheet SP1937 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
SP1938 DC-DC Step-Up Converter
SP1820 Four Channels Constant Current LED Driver
SP1821 Four Channels Constant Current LED Driver

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
SP1937 DC-DC Step-Up Converter for White LED DESCRIPTION The SP1937 is a step-up DC/DC converter for white LED driver with constant current. The device can driver one to four LEDs in series from a single cell Lithium Ion battery. Internal functions include current limiting; thermal shutdown and soft-start to prevent damage operate status. The SP1937 DC/DC converter operates at 1.2MHz and low output capacitor as small as 0.22uF; apply to Lithium-Ion powered systems. A low 95mV (Typ) reference voltage minimizes power loss in the current setting resistor for better efficiency. APPLICATIONS • Battery Power Equipment • Notebook Computers • PDA • Cellular Phone • Digital Cameras • MP3 Players • GPS Receivers FEATURES ◆ Fast 1.
Published: |