2.7V to 5.5V Input, 3A Integrated MOSFET Single Synchronous Buck DC/DC Converter - BD9B331GWZ
ROHM's high efficiency switching regulator, BD9B331GWZ, is a step-down converter designed to produce a low voltage output of 0.6V to 3.3V from a 2.7V to 5.5V power supply line. It offers high efficiency in all load ranges by automatic PFM/PWM adjustment. It employs an On time control system to provide faster transient response to sudden change in load.
| Part Number | Status | Package | Unit Quantity | Minimum Package Quantity | Packing Type | RoHS |
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| BD9B331GWZ-E2 | Active | UCSP30L1 | 3000 | 3000 | Taping | Yes |
BD9B331GWZ Data Sheet
Specifications| Grade | Standard | | ch | 1 | | Integrated FET / Controller | Integrated FET | | Buck / Boost / Buck-Boost / Inverting | Buck | | Synchronous / Nonsynchronous | Synchronous | | Vin1(Min.)[V] | 2.7 | | Vin1(Max.)[V] | 5.5 | | Vout1(Min.)[V] | 0.6 | | Vout1(Max.)[V] | 4.4 | | Iout1(Max.)[A] | 3.0 | | SW frequency(Max.)[MHz] | 1.3 | | Light Load mode | Yes | | EN | Yes | | PGOOD | Yes | | Operating Temperature (Min.)[°C] | -40 | | Operating Temperature (Max.)[°C] | 85 |
| Technical DocumentsFeatures- 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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