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User's Guide
- Evaluation Board User's Guide
BU9000xGWZ最大可以6MHz的開關頻率工作、為兼具小型、高效率的降壓開關穩壓器。可對應最大1.0A(VIN=3.0~5.5V時)的輸出電流、將電池驅動的行動裝置最佳化。可藉由MODE端子的特性強制自動切換PWM模式或PWM/PFM模式。在PFM模式下可減少本身的耗電流、改善輕負載時的效率。
Grade
Standard
ch
1
Integrated FET / Controller
Integrated FET
Topology
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
Light Load mode
Yes
EN
Yes
PGOOD
No
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
85
This evaluation board has been specifically developed to evaluate the BU90004GWZ synchronous buck DC/DC converter with integrated 250mΩ high-side Pch and 220mΩ low-side Nch MOSFETs.