1.0A, Step-down Switching regulators with Built-in Power MOSFET - BU90054GWZ
The BU90054GWZ are a high efficiency 6MHz synchronous step-down switching regulator with ultra low current PFM mode. It provides up to 1.0A load current and an input voltage range from 3.0V to 5.5V, optimized for battery powered portable applications. BU90054GWZ has a mode control pin that allows the user to select Forced PWM(Pulse Width Modulation) mode or PFM(Pulse Frequency Modulation) and PWM auto change mode utilized power save operation at light load current.
| Part Number | Status | Package | Unit Quantity | Minimum Package Quantity | Packing Type | RoHS |
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| BU90054GWZ-E2 | Active | UCSP30L1 | 6000 | 6000 | Taping | Yes |
BU90054GWZ Data Sheet
Specifications| Grade | Standard | | ch | 1 | | Integrated FET / Controller | Integrated FET | | Buck / Boost / Buck-Boost / Inverting | Buck | | Synchronous / Nonsynchronous | Synchronous | | Vin1(Min.)[V] | 2.3 | | Vin1(Max.)[V] | 5.5 | | Vout1(Min.)[V] | 1.8 | | Vout1(Max.)[V] | 1.8 | | Iout1(Max.)[A] | 1.0 | | SW frequency(Max.)[MHz] | 6.0 | | EN | Yes | | PGOOD | No | | Operating Temperature (Min.)[°C] | -40 | | Operating Temperature (Max.)[°C] | 85 |
| Technical DocumentsFeatures- Fast transient response
- Automatic PFM/PWM operation
- Forced PWM operation
- Internal Soft Start
- Under voltage lockout
- Over current protection
- Thermal shutdown
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