Dual High-Efficiency PWM Step-Down DC/DC Converter The CXSD62317 is a dual high-efficiency Pulse-Width-Modulated (PWM) step-down DC/DC converter. It is capable of delivering 1.5A output current over

   产品概述 返回TOPaon嘉泰姆

 The CXSD62317 is a dual high-efficiency Pulse-Width-Modulated (PWM) step-down DC/DC aon嘉泰姆

converter. It is capable of delivering 1.5A output current over a wide input voltage range from aon嘉泰姆

2.3V to 6V, the CXSD62317 is ideally suited for portable electronic devices that are powered aon嘉泰姆

from 1-cell Li-ion battery or from other power sources within the range such as cellular phones,aon嘉泰姆

PDAs and other handheld devices. Two operational modes are available. PWM/Low-Dropout aon嘉泰姆

auto-switch and shutdown modes. Internal synchronous rectifier with low RDS(ON) dramaticallyaon嘉泰姆

 reduces conduction loss at PWM mode. No external Schottky diode is required in practical aon嘉泰姆

application. The CXSD62317 enters Low-Dropout mode when normal PWM cannot provide aon嘉泰姆

regulated output voltage by continuously turning on the upper PMOS. The CXSD62317 enteraon嘉泰姆

 shutdown Mode And consumes less than 0.1μA when EN pin  is pulled low.aon嘉泰姆

   产品特点 返回TOPaon嘉泰姆

              High Efficiency: Up to 96%aon嘉泰姆

1.5MHz Constant Frequency Operationaon嘉泰姆

1.5A Output Currentaon嘉泰姆

No Schottky Diode Requiredaon嘉泰姆

2.3V to 6V Input Voltage Rangeaon嘉泰姆

Output Voltage as Low as 0.6Vaon嘉泰姆

Low Quiescent Current: 35μAaon嘉泰姆

Thermal Fault Protectionaon嘉泰姆

Inrush Current Limit and Soft Startaon嘉泰姆

<1μA Shutdown Currentaon嘉泰姆

Small 12-Lead WDFN packageaon嘉泰姆

   应用范围 返回TOPaon嘉泰姆

Cellular and Smart Phonesaon嘉泰姆

Personal Information Appliancesaon嘉泰姆

Wireless and DSL Modemsaon嘉泰姆

MP3 Playersaon嘉泰姆

Digital Still and Video Camerasaon嘉泰姆

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