Datasheet > SGM2059

SGM2059

更新时间： 2023-09-03 20:31:51

品牌	Logo	应用领域
圣邦微 - SGMICRO		/
页数	文件大小	规格书
16页	1187K
描述
300mA, Low VIN, Ultra-Low Noise and High PSRR Linear Regulator

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SGM2059 数据手册

SGM2059

300mA, Low V_IN, Ultra-Low Noise

and High PSRR Linear Regulator

GENERAL DESCRIPTION

FEATURES

The SGM2059 is a low V_IN, ultra-low noise, high PSRR

and low dropout voltage linear regulator. It is capable of

supplying 300mA output current with typical dropout

voltage of only 72mV. The operating input voltage

range is from 1.1V to 5.5V. The fixed output voltage

range is from 1.2V to 4.2V and adjustable output

voltage range is from 0.793V to 5.0V.

● Operating Input Voltage Range: 1.1V to 5.5V

● Fixed Outputs of 1.2V, 1.5V, 1.8V, 2.5V, 2.8V, 2.9V,

3.0V, 3.3V and 4.2V

● Adjustable Output from 0.793V to 5.0V

● 300mA Output Current

● Output Voltage Accuracy: ±1% at +25℃

● Low Quiescent Current: 13μA (TYP)

● Low Dropout Voltage:

Other features include logic-controlled shutdown mode,

short-circuit current limit and thermal shutdown

protection. The SGM2059 has automatic discharge

function to quickly discharge V_OUTin the disabled status.

72mV (TYP) at 300mA when V_OUT= 2.8V

● Ultra-Low Noise: 9.5μV_RMS(TYP)

● High PSRR: 92dB (TYP) at 1kHz

● Current Limiting and Thermal Protection

● Excellent Load and Line Transient Responses

● With Output Automatic Discharge

● Stable with Small Case Size Ceramic Capacitors

● Shutdown Supply Current: 0.03μA (TYP)

● -40℃ to +125℃ Operating Temperature Range

● Available in Green SOT-23-5 and SC70-5

Packages

The SGM2059 is suitable for applications which need

low noise and fast transient response power supply,

such as power supply of camera module in smart

phone, etc.

The SGM2059 is available in Green SOT-23-5 and

SC70-5 packages. It operates over an operating

temperature range of -40℃ to +125℃.

APPLICATIONS

Portable Electronic Devices

Smoke Detectors

IP Cameras

Wireless LAN Devices

Battery-Powered Equipment

Smartphones and Tablets

Digital Cameras and Audio Devices

TYPICAL APPLICATION

V_IN

V_OUT

V_IN

V_OUT

OUT

R₁

R₂

SGM2059

SGM2059-ADJ

C_IN

1μF

C_OUT

1μF

C_IN

1μF

C_OUT

1μF

GND

OFF

Fixed Output Voltage Version

Adjustable Output Voltage Version

Figure 1. Typical Application Circuits

SG Micro Corp

JUNE 2022 – REV. A

www.sg-micro.com

12 3 4 5 6 7...16

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与SGM2059相关器件

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SGM2068	SGMICRO	获取价格	500mA, Fast Transient Response, Low Voltage, Low Noise and Low Dropout Linear Regulator
SGM2072	SGMICRO	获取价格	1.2A, Ultra-High PSRR, Fast Load Transient, Bias Rail CMOS Voltage Regulator
SGM2077A	SGMICRO	获取价格	1.2A, Ultra-High PSRR, Fast Load Transient, 1.2V Logic, Bias Rail CMOS Voltage Regulator
SGM2078	SGMICRO	获取价格	300mA, 1.2V Logic, Low Power and Low Dropout RF Linear Regulator
SGM2080	SGMICRO	获取价格	500mA, Fast Transient Response, Low Noise and High Accuracy LDO with Power-Good
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