LP3164 datasheet(3/5 Pages) POWER

Part #	LP3164

Description	4-Channel Current Source White LED Driver

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Manufacturer	POWER [Lowpower Semiconductor inc]

Direct Link	http://www.lowpowersemi.com

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3 / 5 page

Preliminary

Datasheet

LP3164

LP3164 – Ver. 1.0 Datasheet

Feb.-2008

Page 3 of 5

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) ----------------------------------------------------40℃ to 150℃

Maximum Soldering Temperature (at leads, 10sec) ------------------------------------------------------ 300℃

Thermal Information

Maximum Power Dissipation (PD) QFN-16 ---------------------------------------------------------------- 1.5W

Thermal Resistance (JA) ------------------------------------------------------------------------------------50℃/W

Electrical Characteristics

(Over recommended operating conditions unless specified otherwise) VINA =3.6V,EN=High, TA=25℃ )

LP3164

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

VIN

Input Voltage

3

5.5

V

VOUT

Output Voltage Range

0.6

VINB

V

IQ

Quiescent Current

No Load,1X mode

100

250

uA

ISHDN

Shutdown Current

ENB = GND

0.1

1

µA

ILED-ERR

LED Current Accuracy

3mA< ILED<30mA

19

20

21

mA

ILED-LED-ERR

LED Channel Matching

Any two channel mismatch

-3

3

%

VEN(L)

Enable Threshold Low

0.5

V

VEN(H)

Enable Threshold High

2

V

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