Language: English | 中国 | Deutsch       Login
Texas Instruments

LM2704: Micropower Step-up DC/DC Converter with 550mA Peak Current Limit

The LM2704 is a micropower step-up DC/DC in a small 5-lead SOT-23 package. A current limited, fixed off-time control scheme conserves operating current resulting in high efficiency over a wide range of load conditions. The 21V switch allows for output voltages as high as 20V. The low 400ns off-time permits the use of tiny, low profile inductors and capacitors to minimize footprint and cost in space-conscious portable applications. The LM2704 is ideal for LCD panels requiring low current and high efficiency as well as white LED applications for cellular phone back-lighting. The LM2704 can drive up to 8 white LEDs from a single Li-Ion battery.

Device Uses

  • LCD Bias Supplies
  • White LED Back-Lighting
  • Handheld Devices
  • Digital Cameras
  • Portable Applications

Application Diagram


Click on the Image to Enlarge