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RT8016,1A BUCK DC/DC

RT8016】1A BUCK DC/DC

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RT8016 详细介绍
相关商品: SY8008B MP1484 SY8008 AT1366 OCP2150 APS1006 LM3671 LM3670 XC9226 XM5063 XM5064

RT8016】1A 1.5MHz 降压型 DC/DC转换器
Power switching: Internal Power NMOS & PMOS
RT8016工作模式MODE: PWM/PFM
RT8016输入电压VIN: 2.5~6V
RT8016输出电压VOUT: 1.0-3.3V ADJ (0.6-5V)
RT8016静态电流IQ: 180μA
RT8016振荡频率FOSC: 1.5MHz
RT8016转换效率Eff.: 96%
Max.duty cycle: 100%
RT8016输出精度Accu.: ±2%
RT8016输出电流IOUT: 1A


RT8016 General Description
The RT8016  is a high-efficiency Pulse-Width-Modulated (PWM) step-down DC-DC converter. Capable of delivering 1A output current over a wide input voltage range from 2.5V to 5.5V, the RT8016  is ideally suited for portable electronic devices that are powered from 1-cell Li-ion battery or from other power sources such as cellular phones, PDAs and hand-held devices.
Two operating modes are available including : PWM/Low-Dropout autoswitch and shut-down modes, the Internal synchronous rectifier with low RDS(ON) dramatically reduces conduction loss at PWM mode. No external Schottky diode is required in practical application.
The RT8016  enters Low-Dropout mode when normal PWM cannot provide regulated output voltage by continuously turning on the upper PMOS. The RT8016  enters shut-down mode and consumes less than 0.1μA when EN pin is pulled low. The RT8016  also offers a range of 1V to 3.3V with 0.1V per step or adjustable output voltage by two external resistor.
The switching ripple is easily smoothed-out by small package filtering elements due to a fixed operating frequency of 1.5MHz. This along with small WDFN-6L 2x2 package provides small PCB area application. Other features include soft start, lower internal reference voltage with 2% accuracy, over temperature protection, and over current protection. 
 

RT8016 Ordering Info
Note :
Richtek Pb-free and Green products are :
► RoHS compliant and compatible with the current requirements of IPC/JEDEC J-STD-020.
► Suitable for use in SnPb or Pb-free soldering processes.
 
 

RT8016 Features 
• +2.5V to +5.5V Input Range
• Adjustable Output From 0.6V to VIN
• 1A Output Current
• 95% Efficiency
• No Schottky Diode Required
• 1.5MHz Fixed-Frequency PWM Operation
• Small 6-Lead WDFN Package
• RoHS Compliant and 100% Lead (Pb)-Free
 

RT8016   Application 
• Mobile Phones
• Personal Information Appliances
• Wireless and DSL Modems
• MP3 Players
• Portable Instruments
 

RT8016  Pin Configurations 
WDFN-6L 2x2  

 

 


 
with R2 = 300kΩ to 60kΩ so the IR2 = 2μA to 10μA,
and (R1 x C1) should be in the range between 3x10-6 and 6x10-6 for component selection.

Figure 2. Adjustable Voltage Regulator
 
 


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