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EUP2584 Datasheet(PDF) 4 Page - Eutech Microelectronics Inc

Part No. EUP2584
Description  White LED Step-Up Converter In Tiny SOT-23 Package
Download  11 Pages
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Maker  EUTECH [Eutech Microelectronics Inc]
Homepage  http://www.eutechmicro.com
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EUP2584 Datasheet(HTML) 4 Page - Eutech Microelectronics Inc

 
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EUP2584
DS2584
Ver1.1
Mar. 2008
4
Absolute Maximum Ratings
Supply Voltage ,VIN -----------------------------------------------------------------
-0.3V to 6V
LX,OUT
-----------------------------------------------------------------------------
-0.3V to 30V
The Other Pins
----------------------------------------------------------------------
-0.3V to 6V
Power dissipation, PD@ TA=25°C
SOT23-6 -------------------------------------------------------------------------------
0.4W
Package Thermal Resistance
SOT23-6,θJA -------------------------------------------------------------------------
250°C/W
Maximum Junction Temperature ---------------------------------------------------
125°C
Lead Temperature (Soldering, 10sec.) ---------------------------------------------
260°C
Storage Temperature Range ---------------------------------------------------------
-65°C to 150°C
Operating Conditions
Junction Temperature Range -------------------------------------------------------
-40°C to 125°C
Supply Voltage , VIN-----------------------------------------------------------------
2.6V to 5.5V
Electrical Characteristics
(VIN =3.6V, VOUT=18V, COUT=1µF, CIN=1µF, RSENSE=12Ω, TA=-40°C to 85°C. Unless otherwise noted.
Typical values are at TA= 25°C)
EUP2584
Symbol
Parameter
Conditions
Min
Typ
Max.
Unit
Supply Voltage
--
--
6
V
VIN Rising
2.2
2.4
2.6
UVLO
Under Voltage Lock Out
VIN Falling
1.95
2.15
2.35
V
Maximum Output Voltage
No Switching
--
--
30
V
ICC1
Supply Current
VCC=6V, Continuous Switching
--
0.8
1.3
mA
ICC2
Quiescent Current
VCC=6V, FB=1.3V, No Switching
--
115
150
µA
ICC3
Shutdown current
VCC=6V, VEN<0.3V
--
0.1
1
µA
Oscillator
Fosc
Operation Frequency
0.8
1.1
1.3
MHz
Dmax
Maximum Duty Cycle
89
92
96
%
Reference Voltage
VFB
Feedback Voltage
230
250
270
mV
MOSFET
Rds (on) On resistance of MOSFET
--
1
1.5
Ω
ILX
Current Limit
0.4
0.8
1.2
A
Control and Protection
VEN1
Shutdown Voltage
0.3
0.7
--
V
VEN2
Enable Voltage
--
0.7
1.4
V
IEN
EN Pin Pull Low Current
--
--
0.1
µA
Falling
24.5
25.7
26.5
OVP
OVP Threshold
Rising
26.1
27.3
28.1
V


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