Datasheet > BU90002GWZ_11

BU90002GWZ_11

更新时间： 2022-06-06 13:14:19

品牌	Logo	应用领域
罗姆 - ROHM		稳压器开关
页数	文件大小	规格书
14页	1800K
描述
Output 1.0A High-efficiency Step-down Switching regulators with Built-in Power MOSFET

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BU90002GWZ_11 数据手册

BU90002GWZ, BU90003GWZ, BU90004GWZ, BU90005GWZ, BU90006GWZ

Technical Note

●Electrical characteristic curves (Reference data)

L:LQM21MPN1R0NG0 (2.0mm×1.6mm×1.0mm Murata)

COUT:GRM155R60J475M(1.0mm×0.5mm×0.5mm Murata)

BU90002GWZ（3.3V OUTPUT）

2V/div

VOUT

2V/div

VOUT

1V/div

20us

500mA/div

100us

Fig.1 Start up

Fig.2 Shut down

Vout

50mV/div

ac coupled

Vout

50mV/div

ac coupled

10us

4us

IOUT

200mA/div

50mA/div

Fig.3 Load transient response 5mA to 50mA

tr=tf=100ns, Mode :Low

Fig.4 Load transient response 50mA to 350mA

tr=tf=100ns, Mode :Low

Vout

20mV/div

ac coupled

Vout

50mV/div

ac coupled

400ns

4us

5V/div

IOUT

200mA/div

500mA/div

Fig.5 Load transient response 150mA to 500mA

tr=tf=100ns, Mode :High

Fig.6 PFM mode Operation

Iout=40mA

www.rohm.com

Target spec. ver.1.7

3/14

1 234 5 6 7...14

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