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) – Continued

BU90003GWZ(1.2V OUTPUT)

MODE

2V/div

Vout

50mV/div

2us

ac coupled

80ns

Vout

50mV/div

ac coupled

2V/div

200mA/div

500mA/div

Fig.19 PWM mode Operation Iout=100mA

Fig.20 Mode Change Response

MODE High to Low

100

2us

MODE

2V/div

Vout

50mV/div

ac coupled

VIN=2.7V

VIN=3.6V

VIN=4.2V

200mA/div

0.1

100

1000

Load current[mA]

Fig.21 Mode Change Response

MODE Low to High

Fig.22 Efficiency vs Load current

VIN=3.6V PWM/PFM Auto Mode

1.224

1.212

1.2

VIN=2.7V

VIN=3.6V

VIN=4.2V

1.188

1.176

100

1000

Iout[mA]

Fig.23 Load regulation

PWM/PFM Auto mode

www.rohm.com

Target spec. ver.1.7

6/14

1...3 4 567 8 9...14

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