• Part: STBB3JCC
  • Description: high efficiency single inductor buck-boost DC-DC converter and high brightness WLED driver
  • Manufacturer: STMicroelectronics
  • Size: 1.95 MB
STBB3JCC Datasheet (PDF) Download
STMicroelectronics
STBB3JCC

Description

The STBB3JCC is a fixed frequency, high efficiency, buck-boost DC-DC converter which provides output voltages from 1.2 V to 5.5 V starting from input voltage from 1.8 V to 5.5 V.

Key Features

  • 100 mV feedback signal
  • Input voltage range from 1.8 V to 5.5 V
  • 2 A output current at 3.3 VOUT in buck mode (VIN= 3.6 V to 5.5 V)
  • 800 mA output current at 3.3 VOUT in boost mode (VIN ≥ 2.0 V)
  • Typical efficiency higher than 94%
  • Automatic transition between step-down and boost mode
  • Adjustable output voltage from 1.2 V to 5.5 V
  • Power save mode (PS) at light load
  • 2.0 MHz fixed switching frequency
  • Adjustable switching frequency up to 2.4 MHz (by external synchronous square signal)

Applications

  • Single cell Li-Ion, two-cell and three-cell alkaline, Ni-MH powered devices