目录v0R嘉泰姆

1.产品概述                       2.产品特点v0R嘉泰姆
3.应用范围                       4.下载产品资料PDF文档 v0R嘉泰姆
5.产品封装图                     6.电路原理图                   v0R嘉泰姆
7.功能概述                        8.相关产品v0R嘉泰姆

一,产品概述(General Description)         v0R嘉泰姆

   The CXSD61033 is a 1.5MHz constant frequency current mode, dual high-efficiency PWM step-down converter.It is ideal for portable equipment requiring very high current up t o 2A each channel from single-cell Lithium-ion batteries while still achieving over 90%efficiency during peak load onditions. The CXSD61033 also can run at 100% duty cycle for low dropout operation, extending battery life in portable systems while light load operation provides very low output ripple for noise sensitive applications. The CXSD61033 can supply up to 2A output load current each channel from a 2.3V to 6V input voltage and the output voltage can be regulated as low as 0.6V. The high switching frequency minimizes the size of external components while keeping switching losses low. v0R嘉泰姆

The internal slope compensation setting allows the device to operate with smaller inductor values to optimize size and provide efficient operation. The device is available in a Pb-free, 8-Lead ESOP package and is rated over the -40°C to +85°C temperature range.v0R嘉泰姆

This device offers two operation modes, PWM control and PFM Mode switching control, which allows a high efficiency over the wider range of the load.v0R嘉泰姆
二.产品特点(Features)v0R嘉泰姆
1.)High Efficiency: Up to 96%v0R嘉泰姆
2.)1.5MHz Constant Frequency Operationv0R嘉泰姆
3.)Dual 2A Output Currentv0R嘉泰姆
4.)No Schottky Diode Requiredv0R嘉泰姆
5.)2.3V to6V Input Voltage Rangev0R嘉泰姆
6.)Output Voltage as Low as 0.6Vv0R嘉泰姆
7.)100% Duty Cycle in Dropoutv0R嘉泰姆
8.)Low Quiescent Current:40μAv0R嘉泰姆
9.)Short Circuit Protectionv0R嘉泰姆
10.)Thermal Fault Protectionv0R嘉泰姆
11.)Inrush Current Limit and Soft Startv0R嘉泰姆
12.)<1μA Shutdown Currentv0R嘉泰姆
13.)ESOP8 packagev0R嘉泰姆
三,应用范围 (Applications)v0R嘉泰姆
1.)Set Top Boxv0R嘉泰姆
2.)Wireless and DSL Modemsv0R嘉泰姆
3.)PDAsv0R嘉泰姆
4.)Computer Peripheralsv0R嘉泰姆
5.)Portable Instrumentsv0R嘉泰姆
6.)Digital Still and Video Camerasv0R嘉泰姆
四.下载产品资料PDF文档 v0R嘉泰姆

需要详细的PDF规格书请扫一扫微信联系我们，还可以获得免费样品以及技术支持！v0R嘉泰姆

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五,产品封装图 (Package)v0R嘉泰姆
v0R嘉泰姆

六.电路原理图v0R嘉泰姆
v0R嘉泰姆
七,功能概述v0R嘉泰姆
The CXSD61033 is a dual high output current monolithicv0R嘉泰姆
switch mode step-down DC-DC converter. Thev0R嘉泰姆
device operates at a fixed 1.5MHz switchingv0R嘉泰姆
frequency, and uses a slope compensated currentv0R嘉泰姆
mode architecture. This step-down DC-DC converterv0R嘉泰姆
can supply up to dual respective 2000mA outputv0R嘉泰姆
current at VIN = 3.6V and has an input voltage rangev0R嘉泰姆
from 2.3V to 6V. It minimizes external componentv0R嘉泰姆
size and optimizes efficiency at the heavy loadv0R嘉泰姆
range. The slope compensation allows the device tov0R嘉泰姆
remain stable over a wider range of inductor valuesv0R嘉泰姆
so that smaller values (1μH to 4.7μH) with lowerv0R嘉泰姆
DCR can be used to achieve higher efficiency. Onlyv0R嘉泰姆
a small bypass input capacitor is required at thev0R嘉泰姆
output. The adjustable version can be programmedv0R嘉泰姆
with external feedback to any voltage, ranging fromv0R嘉泰姆
0.6V to nearly the input voltage. It uses internalv0R嘉泰姆
MOSFETs to achieve high efficiency and canv0R嘉泰姆
generate very low output voltages by using anv0R嘉泰姆
internal reference of 0.6V. At dropout, the converterv0R嘉泰姆
duty cycle increases to100% and the output voltagev0R嘉泰姆
tracks the input voltage minus the low RDS(ON)v0R嘉泰姆
drop of the P-channel high-side MOSFET and thev0R嘉泰姆
inductor DCR. The internal error amplifier andv0R嘉泰姆
compensation provides excellent transient response,v0R嘉泰姆
load and line regulation. Internal soft start eliminatesv0R嘉泰姆
any output voltage overshoot when the enable or thev0R嘉泰姆
input voltage is applied.v0R嘉泰姆
八,相关产品                      更多同类产品......v0R嘉泰姆