EUP2796
Absolute Maximum Ratings
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
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 ≤ TJ≤ 85˚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
Ω
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
4