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LP3164 Datasheet, PDF (3/5 Pages) Lowpower Semiconductor inc – 4-Channel Current Source White LED Driver | |||
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Preliminary Datasheet
LP3164
Absolute Maximum Ratings
 Input Voltage to GND (VINA, VINB) ---------------------------------------------------------------------------- 6V
 EN/LED to GND Voltage (Ven/LED) ---------------------------------------------------------- 0.3V to Vin+0.3V
 Maximum DC Output Current(Iout) ----------------------------------------------------------------------- 150mA
 Operating Junction Temperature Range (TJ) ----------------------------------------------------40â to 150â
 Maximum Soldering Temperature (at leads, 10sec) ------------------------------------------------------ 300â
Thermal Information
 Maximum Power Dissipation (PD) QFN-16 ---------------------------------------------------------------- 1.5W
 Thermal Resistance (JA) ------------------------------------------------------------------------------------50â/W
Electrical Characteristics
(Over recommended operating conditions unless specified otherwise) VINA =3.6V,EN=High, TA=25â )
Symbol
VIN
VOUT
IQ
ISHDN
ILED-ERR
ILED-LED-ERR
VEN(L)
VEN(H)
Parameter
Input Voltage
Output Voltage Range
Quiescent Current
Shutdown Current
LED Current Accuracy
LED Channel Matching
Enable Threshold Low
Enable Threshold High
Conditions
No Load,1X mode
ENB = GND
3mA< ILED<30mA
Any two channel mismatch
Min.
3
0.6
LP3164
Typ.
100
Max.
5.5
VINB
250
0.1
1
19 20
21
-3
3
0.5
2
Unit
V
V
uA
µA
mA
%
V
V
LP3164 â Ver. 1.0 Datasheet Feb.-2008
Page 3 of 5
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