English
Language : 

EUP2794 Datasheet, PDF (4/13 Pages) Eutech Microelectronics Inc – White LED Driver with 1X /1.5X High-Efficiency Charge Pump
◁
EUP2794
Absolute Maximum Ratings
„ VIN ------------------------------------------------------------------------------- -0.3V to 6V max
„ SD,BRGT --------------------------------------------------------- -0.3V to (VIN+0.3V) w/ 6 max
„ Continuous Power Dissipation ----------------------------------------------- Internally Limited
„ QFN-16L 3 ×3, θJA -------------------------------------------------------------------------- 65°C/W
„ Junction Temperature (TJ ) ------------------------------------------------------- -40°C to 125°C
„ Storge Temperature Range ----------------------------------------------------- -65°C to 150°C
„ Lead Temp (Soldering, 5sec) ------------------------------------------------------------- 260°C
„ ESD Rating
Human Body Model --------------------------------------------------------------------------- 2kV
Operating Conditions
„ Input Voltage (VIN) ------------------------------------------------------------------ 2.7V to 5.5V
„ Ambient Temperature (TA) --------------------------------------------------------- -40°C to 85°C
Electrical Characteristics
Unless otherwise specified,C1=C2=CIN=CHOLD=1µF, VIN=3.6V, BRGT pin =0V ; RSET =124 ;VLED=3.4V.
TA= -40 to 85°C. Typical values are at TA=25°C.
Symbol
Parameter
Conditions
3.0V ≤ VIN ≤ 5.5V, VDX ≤ 3.6V
BRGT=50mV
IDX Available Current at Output Dx 2.7V ≤ VIN ≤ 3.0V, VDX ≤ 3.4V
BRGT=0V
VDX ≤ 3.6V ,BRGT=200mV
VDX
Available Voltage at Output Dx
3.0V ≤ VIN ≤ 5.5V, VDX ≤ 3.6V
BRGT=50mV
IDX
Liner Regulation of Dx Output
Current
3.0V ≤ VIN ≤ 5.5V, VDX ≤ 3.6V
IDX
Load Regulation of Dx Output
Current
VIN =3.6V , 3.0V ≤ VDX ≤ 3.6V
ID-MATCH
Current Matching Between Any
Two Outputs
VIN =3.6V
IQ Quiescent Supply current
3.0V ≤ VIN ≤ 5.5V, Active, No Load
Current RSET=OPEN
ISD Shutdown Supply Current
3.0V ≤ VIN ≤ 5.5V, shutdown
VCP
Input Charge-Pump Mode To
Pass Mode Threshold
VCPH
Input Charge-Pump Mode To
Pass Mode Hysteresis
VIH SD Input Logic High
VIL SD Input Logic Low
3.0V ≤ VIN ≤ 5.5V
3.0V ≤ VIN ≤ 5.5V
ILEAK-SD SD Leakage Current
0V ≤ VSD ≤ VIN
RBRGT BRGT Input Resistance
ISET ISET Pin Output Current
fSW Switching Frequency
3.0V ≤ VIN ≤ 3.8V
EUP2794
Min Typ Max.
15 17.12
10 15.39
20
3.6
Unit
mA
V
15.57
mA
15.57
mA
0.6
%
4.1 7.64 mA
1
A
3.82
V
50
mV
1
V
0.2
V
-1
1
A
240
kΩ
IDX/10
mA
900
kHz
DS2794 Ver0.5 Mar. 2006
4
 ▷