ROHM Introduces PWM Type DC-DC Converter

ROHM Introduces PWM Type DC-DC Converter

ROHM Semiconductor has launched the BD28C54FJ-LB, a PWM-type DC-DC converter IC designed to enhance system efficiency for industrial equipment. This PWM-type DC-DC converter IC supports both isolated and non-isolated devices and enables simpler designs of various types of low-power consumption electrical converters. This IC has a lineup of VDD UVLO that supports both Si and SiC of MOSFET.

Power supplies can be designed flexibly by connecting a current detection resistor for the switching externally. Current is restricted in each cycle and excellent performances are demonstrated in bandwidth and transient response since a current mode control is utilized. The switching frequency can be set by an external resistor and capacitor on the RTCT pin.

It is available in a surface-mount, SOP-J8 package that measures 4.9 mm x 6.0 mm x 1.65 mm.

Key features of the BD28C54FJ-LB

  • PWM Current Mode Method
  • Low Power Consumption
  • The VDD Pin UVLO Function
  • Over Current Protection Function per Cycle
  • Switching Frequency Setting Pin

Key specifications of the BD28C54FJ-LB

  • Input Voltage Range: 6.90 V to 28.00 V
  • Circuit Current: 2.0 mA (Max)
  • Startup Current: 60 μA (Typ)
  • Operating Temperature Range: -40 °C to +125 °C

Key applications of the BD28C54FJ-LB

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