Datasheet > BM9209

BM9209

更新时间： 2024-01-15 08:02:16

品牌	Logo	应用领域
百力微 - BOOKLY		/
页数	文件大小	规格书
9页	197K
描述
CMOS LDO WITH ENABLE

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BM9209 数据手册

BM9209

300mA CMOS LDO W^ITHENABLE

GENERAL DESCRIPTION

FEATURES

The BM9209 is the improvement version of CM2838 in Iq , in

dropout , also in PSRR for portable wireless products.

BM9209 family is a positive voltage linear regulator developed

utilizing CMOS technology featured low quiescent current

⁽⁵µA typ.) and 0.1uA standby current, lowest dropout

voltage, and high output voltage accuracy, making them ideal

for battery applications. EN input connected to CMOS has low

bias current. Integrated current limit and temperature limit

protection circuit.

Very Low Dropout Voltage : 160mV @200mA

Low Current Consumption: 5µA

Output Voltage: 1.8V, 2.5V, 2.8V, 3.0V, 3.3V

High Accuracy Output Voltage: +/- 1.5%

Guaranteed 300mA Output

Input Range up to 7.0V

Thermal Shutdown and Current Limiting

Fast enable turn-on time of 20us (typ.)

Compact Package: SOT-23-5

These rugged devices have both Thermal Shutdown, and

Current Fold-back to prevent device failure under the “Worst”

of operating conditions.

Factory Pre-set Output Voltages

Short Circuit Current Fold-Back

Low standby(off) current : 0.1uA

Higher PSRR : 60dB (1KHz)

In application requiring a low noise, regulated supply, place a

1000pF capacitor between Bypass and Ground.

Improved from RT9193 , CM2838 and RT9167

^{The BM9209 is stable with an output capacitance of 1.0}µF or

greater.

APPLICATIONS

PHS , mobile phone

Wireless lan

Wireless telephone

Digital Camera

Portable GPS

MP4 , portable DVD

TYPICAL APPLICATIONS

+5V

Vin

Vout

BM9209

BYP GND

1uF

ON/OFF

0=OFF

2.2uF

1nF

2007/06/30

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