CXSD62605 is a wide input range, high-efficiency and high frequency DC-to-DC step-down switching regulator, capable of delivering up to 3A of output current. It adopts an Adaptive COT control scheme that enables very fast transient response and provides a very smooth transition when the output varies from light load to heavy load. During light load, CXSD62605 goes into a PFM mode that saves switching loss achieving high efficiency. The adaptive COT control also maintains a constant switching frequency across line and load. An OVP function protects the IC itself and its downstream system against input voltage surges. With this OVP function, the IC can stand off input voltage as high as 25V, making it an ideal solution for industrial applications such as LCD TV, Set Top Box, Portable TV, etc.
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7.相关产品
产品概述 返回TOP
CXSD62605是一种宽输入范围、高效率和高频DC-DC降压开关稳压器，能够提供高达3A的输出电流。采用COT控制模式，相比PWM控制模式，动态响应显著提升。内置OVP功能保护电路，防止输入电压浪涌。成为液晶电视、机顶盒、便携式电视等工业应用的理想解决方案。CXSD62605采用SOT563封装CXSD62605 is a wide input range, high-efficiency and high frequency DC-to-DC step-down switching regulator, capable of delivering up to 3A of output current. It adopts an Adaptive COT control scheme that enables very fast transient response and provides a very smooth transition when the output varies from light load to heavy load. During light load, CXSD62605 goes into a PFM mode that saves switching loss achieving high efficiency. The adaptive COT control also maintains a constant switching frequency across line and load. An OVP function protects the IC itself and its downstream system against input voltage surges. With this OVP function, the IC can stand off input voltage as high as 25V, making it an ideal solution for industrial applications such as LCD TV, Set Top Box, Portable TV, etc. CXSD62605 is available in SOT563 package.
产品特点 返回TOP
Wide Input Range: 4.5V-18V
Adaptive COT Control
Ultra-fast load transient response
High Efficiency PFM mode at light load
High Efficiency Synchronous operation
No load IQ 177uA
Low Rdson Internal power FETs
Capable of Delivering 3A
No External Compensation Needed
Thermal Shutdown and UVLO Available in SOT563 Package
应用范围 返回TOP
LCD TV
Set Top Box
xDSL Modem
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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|
型号 |
产品描述 |
架构 |
VIN (min) (V) |
VIN (max) (V) |
VOUT (min) (V) |
VOUT (max) (V) |
IOUT (max) (A) |
Vfb (V) |
开关 频率 (Hz) |
IQ (uA) |
封装形式 |
|
3通道6V/3.5A |
同步降压 |
2.6 |
6 |
0.45 |
3.6 |
3.5 |
0.45 |
1.5M |
40 |
DFN4X4-24 |
|
|
3通道6V/1.5A |
内部补偿 |
2.6 |
5.5 |
0.6 |
3.6 |
1.5*3 |
0.6 |
1.5M |
40 |
||
|
18V/2A同步降压 |
内部补偿 |
4.2 |
28 |
0.8 |
9 |
2 |
0.8 |
1M |
750 |
||
|
6V/3A同步降压 |
内部补偿 |
3.6 |
6 |
0.6 |
5 |
1 |
0.6 |
1.8M |
420 |
||
|
18V/3A同步降压 |
内部补偿 |
4.5 |
18 |
0.6 |
5 |
3 |
0.6 |
500k |
177 |
||
|
6V/1A同步降压 DFN2X2-6封装 |
内部补偿 |
2.6 |
6 |
0.6 |
5 |
1 |
0.6 |
500k |
40 |
DFN2X2-6 |
|
|
7.3V/3A同步降压 |
内部补偿 |
2.4 |
7.3 |
0.6 |
5 |
3 |
0.6 |
1.5M |
42 |
SOT26 |
|
|
7V/1.2A同步降压 |
内部补偿 |
2.6 |
7.2 |
0.6 |
5 |
1 |
0.6 |
1.5M |
40 |
SOT25 |
|
|
5.5V/2A同步降压 |
3.6 |
5.5 |
0.8 |
5 |
2 |
0.8 |
1.4M |
450 |
|||
|
6V/3A同步降压 COT架构 |
内部补偿 |
2.6 |
6 |
0.45 |
5 |
3 |
0.45 |
1.5M |
|||
|
7V/0.6A同步降压 |
内部补偿 |
2.6 |
7 |
1.11 |
5 |
0.6 |
1.11 |
1.2M |
1 |
SOT25 DFN2X2-6 |
|
|
6V双路1.2A同步降压 |
内部补偿 |
2.6 |
5.5 |
0.6 |
5 |
1.2 |
0.6 |
1.2M |
38 |
SOP8 |
|
|
6V/2A3MHz同步降压 |
内部补偿 |
2.6 |
5.5 |
0.6 |
5 |
2 |
0.6 |
3M |
30 |
DFN2x2-8 |
|
|
18V/2A同步降压 |
内部补偿 |
4.2 |
18 |
0.6 |
6 |
2 |
0.65 |
500K |
700 |
SOT23-6 |
|
|
38V/0.4A同步降压 |
内部补偿 |
5 |
38 |
3.3 |
12 |
0.4 |
0.8 |
700K |
850 |
SOT23-6 |
|
|
18V/3A同步降压 |
内部补偿 |
4.5 |
18 |
0.798 |
5 |
3 |
0.798 |
700K |
177 |
SOT563 |
|
|
18V/2A同步降压 |
内部补偿 |
4.5 |
18 |
0.798 |
5 |
2 |
0.798 |
700K |
177 |
SOT563 |
