CXSD62599是一款全新的，结合电压模式控制和固定开启时间（COT）优点的高频同步降压转换器。其自适应的COT控制方式，可以在使得最快的负载瞬态响应的同时，确保振荡频率基本维持不变。同时CXSD62599实现了在极低的输出电压（极低占空比）下控制环路在高速响应负载变化的前提下保持稳定，并实现轻载PFM和重载PWM控制模式下的平稳过渡
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产品概述 返回TOP
PMU/tongbu/2019-11-01/471.html target=_blank class=infotextkey>CXSD62599是一款全新的，结合电压模式控制和固定开启时间（COT）优点的高频同步降压转换器。其自适应的COT控制方式，可以在使得最快的负载瞬态响应的同时，确保振荡频率基本维持不变。同时PMU/tongbu/2019-11-01/471.html target=_blank class=infotextkey>CXSD62599实现了在极低的输出电压（极低占空比）下控制环路在高速响应负载变化的前提下保持稳定，并实现轻载PFM和重载PWM控制模式下的平稳过渡。PMU/tongbu/2019-11-01/471.html target=_blank class=infotextkey>CXSD62599可在1.2V输出下提供超过3.5A的电流，是为智能产品的主控供电的最佳选择。PMU/tongbu/2019-11-01/471.html target=_blank class=infotextkey>CXSD62599 belongs to a new breed of high frequency synchronous Step-Down converters that combines the advantages of voltage mode control and Constant-On-Time control. Its adaptive Constant-On-Time control dynamically changes switch on time to achieve a constant switching frequency. It does not have the minimum on-time constrain normally a fixed-frequency current mode Step-down requires, allowing it to go down to very low duty ratio without affecting loop stability. The voltage mode nature of PMU/tongbu/2019-11-01/471.html target=_blank class=infotextkey>CXSD62599 also provides more superior load transient response and a seamless transition from PFM to PWM modes. PMU/tongbu/2019-11-01/471.html target=_blank class=infotextkey>CXSD62599 is capable of supplying output with current up to 3A at 1.2V output.All these features make PMU/tongbu/2019-11-01/471.html target=_blank class=infotextkey>CXSD62599an excellent choice for ARM based CPU power supply. PMU/tongbu/2019-11-01/471.html target=_blank class=infotextkey>CXSD62599is in a SOT23-6 package.
产品特点 返回TOP
Adaptive COT control
Up to 95% Efficiency
Up to 91% Efficiency for low output voltage
Up to 3A Max Output current
Feedback voltage 0.45V
Excellent load transient response
SOT23-6 Package
应用范围 返回TOP
ARM based CPUs
Tablet, MID
Smart Phone
Smart Set-Top Box, OTT
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 |
|
PMU/tongbu/2019-11-01/463.html target=_blank class=infotextkey>CXSD62590 |
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 |
|
PMU/tongbu/2019-11-01/464.html target=_blank class=infotextkey>CXSD62591 |
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 |
|
|
PMU/tongbu/2019-11-01/465.html target=_blank class=infotextkey>CXSD62592 |
18V/2A同步降压 |
内部补偿 |
4.2 |
28 |
0.8 |
9 |
2 |
0.8 |
1M |
750 |
|
|
PMU/tongbu/2019-11-01/466.html target=_blank class=infotextkey>CXSD62593 |
6V/3A同步降压 |
内部补偿 |
3.6 |
6 |
0.6 |
5 |
1 |
0.6 |
1.8M |
420 |
|
|
PMU/tongbu/2019-11-01/467.html target=_blank class=infotextkey>CXSD62594 |
18V/3A同步降压 |
内部补偿 |
4.5 |
18 |
0.6 |
5 |
3 |
0.6 |
500k |
177 |
|
|
PMU/tongbu/2019-11-01/468.html target=_blank class=infotextkey>CXSD62595 |
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 |
|
PMU/tongbu/2019-11-01/469.html target=_blank class=infotextkey>CXSD62596 |
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 |
|
PMU/tongbu/2019-11-01/470.html target=_blank class=infotextkey>CXSD62597 |
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 |
|||
|
PMU/tongbu/2019-11-01/471.html target=_blank class=infotextkey>CXSD62599 |
6V/3A同步降压 COT架构 |
内部补偿 |
2.6 |
6 |
0.45 |
5 |
3 |
0.45 |
1.5M |
||
|
CXSD62600A |
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 |
|
CXSD62601A |
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 |
|
CXSD62602A |
6V/2A3MHz同步降压 |
内部补偿 |
2.6 |
5.5 |
0.6 |
5 |
2 |
0.6 |
3M |
30 |
DFN2x2-8 |
|
CXSD62603A |
18V/2A同步降压 |
内部补偿 |
4.2 |
18 |
0.6 |
6 |
2 |
0.65 |
500K |
700 |
SOT23-6 |
|
PMU/tongbu/2019-11-01/476.html target=_blank class=infotextkey>CXSD62604 |
38V/0.4A同步降压 |
内部补偿 |
5 |
38 |
3.3 |
12 |
0.4 |
0.8 |
700K |
850 |
SOT23-6 |
|
PMU/tongbu/2019-11-01/477.html target=_blank class=infotextkey>CXSD62605 |
18V/3A同步降压 |
内部补偿 |
4.5 |
18 |
0.798 |
5 |
3 |
0.798 |
700K |
177 |
SOT563 |
|
PMU/tongbu/2019-11-01/478.html target=_blank class=infotextkey>PMU/tongbu/2019/11/1/479.html target=_blank class=infotextkey>CXSD62606 |
18V/2A同步降压 |
内部补偿 |
4.5 |
18 |
0.798 |
5 |
2 |
0.798 |
700K |
177 |
SOT563 |
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