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EUP2796 参数 Datasheet PDF下载

EUP2796图片预览
型号: EUP2796
PDF下载: 下载PDF文件 查看货源
内容描述: 双显示白光LED驱动器,带有3 / 2次开关电容升压 [Dual-Display White LED Driver with 3/2X Switched Capacitor Boost]
分类和应用: 驱动器开关
文件页数/大小: 9 页 / 263 K
品牌: EUTECH [ EUTECH MICROELECTRONICS INC ]
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EUP2796  
Absolute Maximum Ratings  
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VIN -------------------------------------------------------------------------------- -0.3V to 6V max  
ENM,ENS, ------------------------------------------------------- -0.3V to (VIN+0.3V) w/ 6V max  
Continuous Power Dissipation ------------------------------------------------- Internally Limited  
TQFN-16L 3 3, θJA ------------------------------------------------------------------------- 68°C/W  
×
Junction-to-Ambient Thermal resistance (θJA) ------------------------------------------ 100°C/W  
Junction Temperature (TJ-MAX) --------------------------------------------------------------- 150°C  
Storage Temperature Range ----------------------------------------------------- -65°C to 150°C  
Lead Temp (Soldering, 10sec) --------------------------------------------------------------- 265°C  
ESD Rating  
Human Body Model ----------------------------------------------------------------------------- 2kV  
Operating Conditions  
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Input Voltage (VIN) ------------------------------------------------------------------ 2.7V to 5.5V  
Ambient Temperature (TA) --------------------------------------------------------- -40°C to 85°C  
Electrical Characteristics  
Limits in standard typeface and typical values apply for TJ = 25°C. Limits in boldface type apply over the full  
operating junction temperature range (-40˚C TJ85˚C) . Unless otherwise specified: VIN=3.6V; VDX = 3.4V;  
V(EN) = 2.0V; Group A and Group B LEDs not ON simultaneously (ENM = ENS=VIN ); RSET = 7.5kΩ; CIN,  
C1,C2, and CPOUT = 1µF.  
EUP2796  
Symbol  
Parameter  
Conditions  
Unit  
Min  
Typ  
Max.  
3.0V VIN 4.2V, and VIN = 5.5V  
2.5V VDX 3.4V ;RSET=7.5kΩ  
14.3  
(-8%)  
16.8  
(+8%)  
15.5  
mA(%)  
3.0V VIN 5.5V,  
10  
15  
20  
2.5V VDX 3.4V ;RSET=11.8kΩ  
3.0V VIN 5.5V,  
IDX  
Output Current Regulation  
2.5V VDX 3.4V ;RSET=7.5kΩ  
2.7V VIN 3.0V,  
mA  
2.5V VDX 3.4V ;RSET=5.8kΩ  
Current Matching Between Any Two  
Group A Outputs or Group B Outputs  
ID-MATCH  
IQ  
VIN =3.0V  
0.3  
%
±
2.7V VIN 4.2V, No Load Current,  
ENM=ENS=OFF  
2.7V VIN 5.5V, EN=OFF  
2.7V VIN 5.5V  
Quiescent Supply Current  
4
7.5  
1
mA  
ISD  
VSET  
Shutdown Supply Current  
ISET Pin Voltage  
0.1  
1.18  
100  
3.5  
µA  
V
IDX / ISET Output Current to Current Set Ratio  
R
Charge Pump Output Resistance  
VIN =3.0V  
IDX=95% × IDX (nom) RSET=7.5kΩ  
(IDX (nom) 15mA)  
IDX=95% × IDX (nom) RSET=11.8kΩ  
(IDX (nom) 10mA)  
3.0V VIN 4.2V  
IDX=90% ISET  
2.7V VIN 5.5V  
2.7V VIN 5.5V  
VENX= 0V  
OUT  
300  
Current Source Headroom  
Voltage Requirement  
VHR  
mV  
kHz  
200  
500  
fSW  
Switching Frequency  
tSTART Start-up Time  
VIL  
VIH  
SD Input Logic Low  
0.5  
V
V
µA  
SD Input Logic High  
1.1  
ILEAK Input Leakage Current  
0.1  
DS2796 Ver1.0 Feb. 2007  
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