Another innovation from ROHM is the BD9B331GWZ. The device is a 1.98 mm x 1.80 mm x 0.33 mm, 3 A, synchronous step-down buck converter designed to produce a low voltage output of 0.6 V to 3.3 V from a 2.7 V to 5.5 V power supply. Moreover, the device offers high efficiency in all load ranges by automaticPFM/PWM adjustment. To provide faster transient response to sudden change in load, the device employs an on time control system.
Features
- Fast transient response with On time control system.
- High efficiency for all load range with synchronous rectifier (Nch/Nch FET) and adaptive PFM/PWM system.
- Adjustable Soft-start function.
- Thermal and UVLO protection.
- Short-circuit current protection with pulse count
- Shutdown function.
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