M5723-33P71U MSOP-10 低噪声LDO同步降压变换器监管机构

General Description
The M5723 consists of a synchronous step-down
DC/DC converter and a low-noise LDO regulator. The
DC/DC converter is operated on current mode architecture.
Switching frequency is set at 1.2MHz allowing
the use of small surface mount inductor and capacitor.
The internal synchronous switches increase efficiency
and eliminate the need for external Schottky diode. It
is ideal for system powered by a 1-cell Li-ion battery.

Features
Buck Converter
High Efficiency: Up to 95%
Low Quiescent Current: Only 50μA During Operation
Internal Soft Start Function
600mA Output Current
2.5V to 6V Input Voltage Range
1.2MHz Switching Frequency
No Schottky Diode Required
100% Duty Cycle in Dropout Operation
0.6V Reference Allows Low Output Voltages
<1μA Shutdown Current
Current Mode Operation for Excellent Line and
Load Transient Response
LDO Regulator
Ultra Low Output Noise 30μV (rms)
Ultra Low 55μA No-Load Supply Current
Ultra Low Dropout 70mV @ 50mA Load
Guarantee 300mA Output Current
Fixed Mode: No External Resistor Network
Needed
Max. Supply Current in Shutdown Mode < 1μA
Stable with Low Cost Ceramic Capacitors
Over Temperature Protected
RoHS Compliant

Applications
Digital Still and Video Cameras
MP3 Players
Portable Instruments

企业名：深圳市科瑞芯电子有限公司

类型：贸易/代理/分销

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