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RT8010-25PQW PDF预览

RT8010-25PQW

更新时间： 2024-11-11 03:35:43
品牌 Logo 应用领域
立锜 - RICHTEK 转换器
页数 文件大小 规格书
15页 398K
描述
1.5MHz, 1A, High Efficiency PWM Step-Down DC/DC Converter

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RT8010/A  
1.5MHz, 1A, High Efficiency PWM Step-Down DC/DC Converter  
General Description  
Features  
ꢀ +2.5V to +5.5V Input Range  
The RT8010/A is a high-efficiency Pulse-Width-Modulated  
(PWM) step-downDC-DC converter. Capable of delivering  
1A output current over a wide input voltage range from  
2.5V to 5.5V, the RT8010/A 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.  
ꢀ Output Voltage (Adjustable Output From 0.6V to VIN)  
`RT8010 : 1.0V, 1.2V, 1.5V, 1.6V, 1.8V, 2.5V and 3.3V  
Fixed/Adjustable Output Voltage  
`RT8010A Adjustable Output Voltage Only  
ꢀ 1A Output Current  
ꢀ 95% Efficiency  
ꢀ No Schottky Diode Required  
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.  
ꢀ 1.5MHz Fixed-Frequency PWM Operation  
ꢀ Small 6-Lead WDFN and 16-Lead WQFN Package  
ꢀ RoHS Compliant and 100% Lead (Pb)-Free  
Applications  
The RT8010/A enters Low-Dropout mode when normal  
PWM cannot provide regulated output voltage by  
continuously turning on the upper PMOS. RT8010/A enter  
shut-down mode and consumes less than 0.1μA when  
EN pin is pulled low.  
ꢀ Mobile Phones  
ꢀ Personal InformationAppliances  
ꢀ Wireless and DSL Modems  
ꢀ MP3 Players  
ꢀ Portable Instruments  
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-6L2x2  
and WQFN-16L 3x3 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.  
Ordering Information  
RT8010/A(-  
)
Package Type  
QW : WDFN/WQFN (W-Type)  
Operating Temperature Range  
P : Pb Free with Commercial Standard  
G : Green (Halogen Free with Commer-  
cial Standard)  
Output Voltage  
Default : Adjustable (RT8010/A)  
Fixed (RT8010)  
10 : 1.0V  
Pin Configurations  
(TOP VIEW)  
12 : 1.2V  
16 15 14 13  
15 : 1.5V  
16 : 1.6V  
18 : 1.8V  
25 : 2.5V  
VIN  
VIN  
12  
11  
GND  
GND  
1
2
3
4
10 VIN  
VIN  
GND  
9
FB/VOUT  
1
2
3
6
5
4
NC  
EN  
FB/VOUT  
GND  
33 : 3.3V  
5
6
7
8
VIN  
LX  
WQFN-16L 3x3  
WDFN-6L 2x2  
WDFN-6L 2x2 (RT8010)  
WQFN-16L 3x3 (RT8010A)  
Note :  
RichTek Pb-free and Green products are :  
`RoHS compliant and compatible with the current require-  
ments of IPC/JEDEC J-STD-020.  
Marking Information  
For marking information, contact our sales representative  
directly or through a RichTek distributor located in your  
area, otherwise visit our website for detail.  
`Suitable for use in SnPb or Pb-free soldering processes.  
`100% matte tin (Sn) plating.  
DS8010/A-02 March 2007  
www.richtek.com  
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