EUP2518
Absolute Maximum Ratings
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Supply Voltage ,VIN ----------------------------------------------------------------- -0.3V to 6V
LX,OUT ----------------------------------------------------------------------------- -0.3V to 30V
The Other Pins ---------------------------------------------------------------------- -0.3V to 6V
Package Thermal Resistance
TSOT23-6,θJA ----------------------------------------------------------------------- 220°C/W
Maximum Junction Temperature --------------------------------------------------- 125°C
Lead Temperature (Soldering, 10sec.) --------------------------------------------- 260°C
Storage Temperature Range --------------------------------------------------------- -65°C to 150°C
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Operating Conditions
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Junction Temperature Range ------------------------------------------------------- -40°C to 125°C
Supply Voltage , VIN----------------------------------------------------------------- 2.6V to 5.5V
Electrical Characteristics
(VIN =3.6V, VOUT=18V, COUT=0.22µF, CIN=1µF, RFB=5.1Ω, TA=-40°C to 85°C. Unless otherwise noted. Typical
values are at TA= 25°C)
EUP2518
Symbol
Parameter
Conditions
Unit
V
Min
--
Typ
--
Max.
6
Supply Voltage
VIN Rising
2.2
1.95
--
2.4
2.15
--
2.6
2.35
30
UVLO Under Voltage Lock Out
V
VIN Falling
No Switching
Maximum Output Voltage
V
ICC1
ICC2
Supply Current
VCC=6V, Continuous Switching
VCC=6V, FB=1.3V, No Switching
VCC=6V, VEN<0.3V
--
0.8
115
0.1
1.3
150
1
mA
µA
µA
Quiescent Current
Shutdown current
--
ICC3
--
Oscillator
Fosc
Operation Frequency
0.8
89
1.1
92
1.3
96
MHz
%
Dmax Maximum Duty Cycle
Reference Voltage
VFB
Feedback Voltage
94
104
114
mV
MOSFET
Ω
RDS(ON) On resistance of MOSFET
ILX Current Limit
Control and Protection
--
1
1.5
1.2
0.4
0.8
A
VEN1
VEN2
IEN
Shutdown Voltage
0.3
--
0.7
0.7
--
V
V
Enable Voltage
1.4
EN Pin Pull Low Current
--
--
0.1
µA
Falling
Rising
24.5
26.1
25.7
27.3
26.5
28.1
OVP
OVP Threshold
V
DS2518 Ver1.0 Mar. 2008
4
EUTECH [ EUTECH MICROELECTRONICS INC ]
