Datasheet > BU90002GWZ_11

BU90002GWZ_11

更新时间： 2024-02-11 12:39:03

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

BU90004GWZ(1.80V OUTPUT)

MODE

5V/div

4us

80ns

Vout

20mV/div

ac coupled

Vout

50mV/div

ac coupled

2V/div

200mA/div

Fig.30 PWM mode Operation Iout=100mA

Fig.31 Mode Change Response

MODE High to Low

100

MODE

5V/div

2us

Vout

50mV/div

ac coupled

VIN=2.7V

VIN=3.6V

VIN=4.2V

200mA/div

0.1

Load current[mA]

100

1000

Fig.32 Mode Change Response

MODE Low to High

Fig.33 Efficiency vs Load current

VIN=3.6V PWM/PFM Auto Mode

1.836

1.818

1.8

VIN=3.6V

VIN=2.7V

VIN=4.2V

1.782

1.764

0.1

100

1000

Load Current[mA]

Fig.34 Load regulation

PWM/PFM Auto mode

www.rohm.com

Target spec. ver.1.7

8/14

1...5 6 789 10 11...14

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