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EnglishCXSD6124 CXSD6125 ideal for low voltage power conversions.Running at a fixed frequency of 1.5MHz allows the use of small external components, such as ceramic input and output caps, as well as smal
目录
1.产品概述 2.产品特点 3.应用范围 4.技术规格书下载（产品PDF文档）
5.产品封装图</a> 6.电路原理图</a> 7.功能概述 8.相关产品
一,产品概述(General Description) 
The CXSD6124 CXSD6125 is a high-efficiency, DC-to-DC step-down
switching regulators, capable of delivering up to 1A of output current.
The device operates from an input voltage range of 2.6V to 6.0V and
provides an output voltage from 0.6V to VIN, making the CXSD6124
CXSD6125 ideal for low voltage power conversions.Running at a fixed
frequency of 1.5MHz allows the use of small external components,
such as ceramic input and output caps, as well as small inductors,
while still providing low output ripples. This low noise output along
with its excellent efficiency achieved by the internal synchronous rectifier,
making CXSD6124 an ideal green replacement for large power consuming
linear regulators.Internal soft-start control circuitry reduces inrush
current.Short-circuit and thermal-overload improves design reliability.
CXSD6124 is housed in a SOT23-5 Package
High Efficiency: Up to 96%
Capable of Delivering 1A (Vin 3 3.3V)
1.5MHz Switching Frequency
No External Schottky Diode Needed
Low dropout 100% Duty operation
Internal Compensation and Soft-Start
Current Mode control
0.6V Reference for Low Output voltages
Logic Control Shutdown (Iq<1uA)
Thermal shutdown and UVLO
Available in SOT23-5
Cellular phones
Digital Cameras
MP3 and MP4 players
Set top boxes
Wireless and DSL Modems
USB supplied Devices in Notebooks
Portable Devices
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Parameter | Value | |
Max Input Voltage | 6.3V | |
Max Operating Junction Temperature(Tj) | 125°C | |
Ambient Temperature(Ta) | -40°C – 85°C | |
Maximum Power Dissipation | SOT23-5 | 400mW |
Storage Temperature(Ts) | -40°C - 150°C | |
Lead Temperature & Time | 260°C, 10S | |
ESD (HBM) | >2000V | |
降压型DC/DC转换器(DC/DC Step-down Converter) | |||||||
Part No. | Power switching | MODE | VIN | VOUT | IQ | FOSC | Eff. |
Built-in MOSFETSynchronous | PWM/PFM | Max 7V | ADJ | 35μA | 1.5MHz | 96% | |
Built-in MOSFETSynchronous | PWM/PFM | 2.6~6V | ADJ | 40μA | 1.5MHz | 96% | |
Built-in MOSFET Synchronous | PWM/PFM | 2.6~7V | ADJ | 50μA | 1.5MHz | 97% | |
Built-in MOSFET Synchronous | PWM/PFM | 2.5~6V | ADJ | 40μA | 1.5MHz | 96% | |
Built-in MOSFET Synchronous | PWM/PFM | 2.5~5.5V | ADJ | 50μA | 1.3MHz | 97% | |
Built-in MOSFET Synchronous | PWM/PFM | 2.6~6V | ADJ | 30μA | 3MHz | 96% | |
Built-in MOSFET Synchronous | PWM/PFM | 2.6~5.5V | ADJ | 50μA | 1.4MHz | 97% | |
Built-in MOSFET Synchronous | PWM/PFM | 3.5~16V | ADJ | 0.4mA | 600KHz | 96% | |
Built-in MOSFET Synchronous | PWM/PFM | 3.5~16V | ADJ | 0.4mA | 600KHz | 96% | |
Built-in MOSFET Synchronous | PWM/PFM | 4.2~18V | ADJ | 0.8mA | 500KHz | 96% | |
Built-in MOSFET Synchronous | PWM/PFM | 4.7~20V | ADJ | 50μA | 500KHz | 95% | |
Built-in MOSFET Synchronous | PWM/PFM | 4.7~20V | ADJ | 50μA | 500KHz | 95% | |
Built-in MOSFET Synchronous | PWM/PFM | 4.5~20V | ADJ | 50μA | 410KHz | 95% | |
Built-in MOSFET Synchronous | PWM/PFM | 4.5~18V | ADJ | 80μA | 420KHz | 95% | |
Built-in MOSFET Synchronous | PWM/PFM | 4.5~18V | ADJ | 80μA | 420KHz | 95% | |
Built-in MOSFET Synchronous | PWM/PFM | 4.5~18V | ADJ | 80μA | 420KHz | 95% | |
Built-in MOSFET | PWM/PFM | 4~24V | ADJ | 0.6mA | 1.4MHz | 90% | |
Built-in MOSFET | PWM/PFM | 4~38V | ADJ | 0.6mA | 660KHz | 92% | |
Built-in MOSFET | PWM/PFM | 4~38V | ADJ | 0.6mA | 660KHz | 92% | |
Built-in MOSFET Synchronous | PWM/PFM | 4~40V | ADJ | 50μA | 2MHz | 93% | |
Built-in MOSFET | PWM/PFM | 4.2~40V | ADJ | 200μA | 1.8MHz | 90% | |
Built-in MOSFET Synchronous | PWM/PFM | 4.5~24V | ADJ | 50μA | 500KHz | 94% | |
Built-in MOSFET Synchronous | PWM | 5~20V | 0.923~15V ADJ | 60μA | 360KHz | 94% | |
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