CXSD62300是高效、高频同步的降压型DC-DC稳压器集成电路，可提供高达1.3A的电压输出电流。CXSD62300可以在广泛的输入上运行电压范围从2.3V到6V，集成主开关和具有极低RDS（开）的同步开关，以最小化传导损耗。是为便携式设备供电的理想选择来自单电池锂离子电池
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产品概述 返回TOP
The CXSD62300 are high-efficiency, high frequency synchronous
step-down DC-DC regulator ICs capable of delivering up to 1.3A
output currents. The CXSD62300 can operate over a wide input
voltage range from 2.3V to 6V and integrates main switch and
synchronous switch with very low RDS(ON) to minimize the
conduction loss.It is ideal for powering portable equipment that runs
from a single cell Lithium-Ion (Li+) battery. The output voltage can
be regulated as low as 0.6V. The CXSD62300 can also run at 100%
duty cycle for low dropout operation,extending battery life in
portable system.This device offers two operation modes,PWM mode
and PFM Mode switching control, which allows a high efficiency over
the wider range of the load.The CXSD62300 is offered in a low profile
(1mm) 5-pin, thin SOT package, and is available in an adjustable version.
产品特点 返回TOP
• High Efficiency: Up to 96%
• 1.5MHz Constant Frequency Operation
• 1.3A Output Current
• No Schottky Diode Required
• 2.3V to 6V Input Voltage Range
• Adjustable Output Voltage Range Options from 0.6V to Vin
• 100% Duty Cycle Low Dropout Operation
• Low Quiescent Current: 35μA
• Slope Compensated Current Mode Control for Excellent Line and
Load Transient Response
• Short Circuit Protection
• Thermal Fault Protection
• Inrush Current Limit and Soft Start
•<1μA Shutdown Current
• Tiny SOT23-5 Package
· 高效率：高达96％
·1.5MHz固定频率工作
·1300MA输出电流
·无需肖特基二极管
·2.3V至6V输入电压范围
·输出电压低至0.6V
·低静态电流：35μA
·斜坡补偿电流模式控制出色的线路和负载瞬态响应
·过压保护
·过热保护功能
·内部电流限制和软启动
·<1μA关断电流
·SOT23-5封装
应用范围 返回TOP
• Cellular and Smart Phones
• Wireless and DSL Modems
• PDAs
• Digital Still and Video Cameras
• MP3 Players
技术规格书（产品PDF) 返回TOP
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产品封装图 返回TOP
电路原理图 返回TOP
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DC/DC降压转换器 |
|||||
|
型号 |
输入电压 |
输出电压 |
输出电流 |
封装 |
|
|
8V~30V |
1.2-16V |
2A |
93% |
SOP8 |
|
|
2.5 v |
0.6~5.5 v |
800mA |
94% |
DFN3*3-10L |
|
|
5V~16V |
1.2V~16V |
2A |
92% |
SOP-8L |
|
|
2.3V~6V |
0.6V~6 |
1300MA |
96% |
SOT23-5 |
|
|
2.3V~5.5V |
0.6V~5.5 |
600mA |
96% |
SOT23-5 |
|
|
4.5 v~21 v |
0.8V~17.85V |
2A |
94% |
SOT-23-6 |
|
|
2~6v |
0.6V |
800mA |
96% |
SOT23-5 |
|
|
6.5 |
1.5V~5.0V |
300mA |
96% |
SOT23-3、SOT89-3 |
|
◀ 上一篇:2A宽输入电源降压开关模式转换器CXSD62299效率高达92% 5V至16V输入输出可从1.2V调整到16V
下一篇▶:600毫安输出电流1.5MHz恒频运行100%占空比CXSD62301恒频电流型的PWM降压变换器PWM控制和PFM模式切换控制
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