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GRM188R60J475KE19 参数 Datasheet PDF下载

GRM188R60J475KE19图片预览
型号: GRM188R60J475KE19
PDF下载: 下载PDF文件 查看货源
内容描述: 为1.5MHz , 1A ,高效率PWM降压型DC / DC转换器 [1.5MHz, 1A, High Efficiency PWM Step-Down DC/DC Converter]
分类和应用: 转换器
文件页数/大小: 14 页 / 254 K
品牌: RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
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RT8016  
Absolute Maximum Ratings (Note 1)  
Supply Input Voltage------------------------------------------------------------------------------------------------------ 6.5V  
EN, FB Pin Voltage ------------------------------------------------------------------------------------------------------- 0.3V to VIN  
Power Dissipation, PD @ TA = 25°C  
WDFN-6L 2x2 -------------------------------------------------------------------------------------------------------------- 0.606W  
Package Thermal Resistance (Note 2)  
WDFN-6L 2x2, θJA --------------------------------------------------------------------------------------------------------- 165°C/W  
WDFN-6L 2x2, θJC -------------------------------------------------------------------------------------------------------- 20°C/W  
Lead Temperature (Soldering, 10 sec.)------------------------------------------------------------------------------- 260°C  
Storage Temperature Range -------------------------------------------------------------------------------------------- 65°C to 150°C  
Junction Temperature ----------------------------------------------------------------------------------------------------- 150°C  
ESD Susceptibility (Note 3)  
HBM (Human Body Mode) ---------------------------------------------------------------------------------------------- 2kV  
MM (Machine Mode) ------------------------------------------------------------------------------------------------------ 200V  
Recommended Operating Conditions (Note 4)  
Supply Input Voltage------------------------------------------------------------------------------------------------------ 2.5V to 5.5V  
Junction Temperature Range-------------------------------------------------------------------------------------------- 40°C to 125°C  
Ambient Temperature Range-------------------------------------------------------------------------------------------- 40°C to 85°C  
Electrical Characteristics  
(VIN = 3.6V, VOUT = 2.5V, VREF = 0.6V, L = 2.2μH, CIN = 4.7μF, COUT = 10uF, TA = 25°C, IMAX = 1A unless otherwise specified)  
Parameter  
Input Voltage Range  
Symbol  
VIN  
Test Conditions  
Min  
2.5  
--  
Typ  
--  
Max  
5.5  
Unit  
V
Quiescent Current  
IQ  
IOUT = 0mA, VFB = VREF + 5%  
EN = GND  
50  
70  
μA  
μA  
V
Shutdown Current  
--  
0.1  
1
ISHDN  
VREF  
VOUT  
Reference Voltage  
Adjustable Output Range  
For Adjustable Output Voltage  
0.588 0.600  
0.612  
VIN 0.2V  
(Note 6)  
--  
V
VREF  
VIN = (VOUT + ΔV) to 5.5V or  
Fix  
Output Voltage  
Accuracy  
--  
3
3
%
ΔVOUT  
3  
V
IN > 2.5V which ever is larger.  
(Note 5)  
VIN = VOUT + ΔV to 5.5V (Note 5)  
0A < IOUT < 1A  
Adjustable  
--  
%
nA  
Ω
ΔVOUT  
3  
FB Input Current  
--  
50  
--  
IFB  
VFB = VIN  
50  
--  
0.28  
0.38  
0.25  
0.35  
2
VIN = 3.6V  
P-MOSFET RON  
RDS(ON)_P IOUT = 200mA  
--  
--  
VIN = 2.5V  
VIN = 3.6V  
VIN = 2.5V  
--  
--  
N-MOSFET RON  
RDS(ON)_N IOUT = 200mA  
Ω
--  
--  
P-Channel Current Limit  
1.4  
2.6  
A
V
ILIM_P  
VIN = 2.5V to 5.5 V  
EN High-Level Input  
Voltage  
1.5  
--  
VEN_H  
VIN  
Copyright 2012 Richtek Technology Corporation. All rights reserved.  
©
is a registered trademark of Richtek Technology Corporation.  
www.richtek.com  
4
DS8016-04 February 2012