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SGM2033

更新时间： 2024-11-10 11:16:11
品牌 Logo 应用领域
圣邦微 - SGMICRO /
页数 文件大小 规格书
17页 809K
描述
250mA, Ultra-Low Noise and High PSRR LDO Regulators for RF and Analog Circuits

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SGM2033  
250mA, Ultra-Low Noise and High PSRR  
LDO Regulators for RF and Analog Circuits  
GENERAL DESCRIPTION  
FEATURES  
The SGM2033 is an ultra-low noise, low VIN, high  
PSRR, high accuracy and low dropout voltage linear  
regulator which is designed using CMOS technology. It  
provides 250mA output current capability. The  
operating input voltage range is from 1.8V to 5.5V and  
output voltage range is from 1.2V to 5.0V.  
● Operating Input Voltage Range: 1.8V to 5.5V  
● Fixed Output Voltage Range: 1.2V to 5.0V  
● Adjustable Output Voltage Range: 1.2V to 5.0V  
● Output Current Limit: 500mA (TYP)  
● Ultra-Low Quiescent Current: 13.5μA (TYP)  
● Shutdown Current: 0.1μA (TYP)  
● High PSRR: 94dB (TYP) at 1kHz  
● Low Dropout Voltage:  
Other features include logic-controlled shutdown mode,  
short-circuit current limit and thermal shutdown  
protection. The SGM2033 has automatic discharge  
function to quickly discharge VOUT in the disabled status.  
175mV (TYP) at 250mA when VOUT = 1.8V  
(SOT-23-5)  
145mV (TYP) at 250mA when VOUT = 1.8V  
(UTDFN-1×1-4AL)  
The SGM2033 is suitable for application which needs  
low noise and fast transient response power supply,  
such as power supply of camera module in smart  
phone, etc.  
● Output Short-Circuit Protection  
● Thermal Shutdown Protection  
● Fast Load Transient Response  
● Stable with 1μF Small Case Size Ceramic  
Capacitors  
The SGM2033 is available in Green SOT-23-5 and  
UTDFN-1×1-4AL packages. It operates over an  
operating temperature range of -40℃ to +125℃.  
-40℃ to +125℃ Operating Temperature Range  
Available in Green SOT-23-5 and UTDFN-1×1-4AL  
Packages  
APPLICATIONS  
Portable Electronic Devices  
Smoke Detectors  
Battery-Powered Equipment  
Smartphones and Tablets  
Digital Cameras and Audio Devices  
TYPICAL APPLICATION  
VIN  
VOUT  
VIN  
VOUT  
OUT  
OUT  
IN  
IN  
CFF  
100pF  
R1  
R2  
SGM2033-ADJ  
SGM2033  
ON  
ON  
CIN  
1μF  
COUT  
1μF  
CIN  
1μF  
COUT  
1μF  
EN  
ADJ  
EN  
GND  
GND  
OFF  
OFF  
VOUT = 1.2V × (1 + R1/R2)  
Fixed Voltage Typical Application Circuit  
Adjustable Voltage Typical Application Circuit  
Figure 1. Typical Application Circuits  
SG Micro Corp  
FEBRUARY 2022 – REV. A. 3  
www.sg-micro.com  
1234567...17

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