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BD37201NUX 数据表(PDF) 1 Page - Rohm |
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BD37201NUX 数据表(HTML) 1 Page - Rohm |
1 / 22 page Datasheet 〇Product structure : Silicon monolithic integrated circuit 〇This product has no designed protection against radioactive rays 1/18 TSZ02201-0V3V0A600100-1-2 © 2016 ROHM Co., Ltd. All rights reserved. 18.Apr.2016 Rev.001 www.rohm.com TSZ22111・14・001 Low Noise Power Supply LSI Series for Audio System Ultra Low Noise Low Dropout Regulator for Audio System BD37201NUX General Description BD37201NUX is a low saturation series regulator of low noise (4.72µVrms) which is most suitable to high quality audio system. It operates at 2.7V to 5.5V and capable of supplying a maximum load of 500mA. BD37201NUX has a high PSRR and good input transient fluctuation characteristic which makes it suitable for the stabilization of DC/DC converter output, and an ideal power supply to high precision analog circuits such as D/A converter (DAC) or Clock generator. Furthermore, when BD37201NUX is placed in standby mode, the supply current can be as small as 0µA(Typ) which can greatly reduce power consumption. Features ■ Ultra Low Noise, High PSRR ■ Stable at 1µF ceramic input and output capacitors ■ Standby Mode that is controlled by Enable pin ■ Dropout Voltage: 200mV (at 500mA load) ■ Under Voltage Lockout Protection, Current Limit and Short Circuit Protection, Thermal Shutdown Protection Applications ■ High quality audio equipment ■ Power supply for D/A converter and Clock generator ■ The other application which require low noise Key Specifications ■ Input Voltage Range: 2.7V to 5.5V ■ Output Voltage Range: 1.0V to 4.5V ■ Output Current: 0.5A(Max) ■ Output Voltage Noise: 4.72µVrms(10 to 100kHz) ■ PSRR: 74dB(100Hz), ≥50dB(1MHz) ■ Input Transient Response: ≤5mV(1.0V/µs) ■ Standby Current: 0µA(Typ) ■ Operating Temperature Range: -40°C to +85°C Package W(Typ) x D(Typ) x H(Max) VSON008X2030 2.00mm x 3.00mm x 0.60mm Typical Application Circuit VIN EN BAS BAO GND BC VO CIN 1µF CBC 1µF COUT 1µF VOUT=3.35V R1 120kΩ R2 51kΩ VS Switching Regulator Clock Generator DAC VIN=5.0V Figure 1. Basic Application Circuit Diagram (VOUT=3.35V) VSON008X2030 |
类似零件编号 - BD37201NUX |
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类似说明 - BD37201NUX |
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