LP3133 datasheet(3/5 Pages) POWER

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Preliminary Datasheet

LP3133

LP3133 – Ver. 1.0 Datasheet

Feb.-2008

Page 3 of 5

Absolute Maximum Ratings

Input Voltage to GND (VINA, VINB) ---------------------------------------------------------------------------- 6V

EN/ISET to GND Voltage (Ven/set) ----------------------------------------------------------- 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℃ )

Symbol

Parameter

Conditions

LP3133

Unit

Min.

Typ.

Max.

VIN

Input Voltage

5.5

VOUT

Output Voltage Range

0.6

VINB

Quiescent Current

No Load,1X mode

260

350

ISHDN

Shutdown Current

ENB = GND

0.1

µA

ILED-ERR

LED Current Accuracy

3mA< ILED<30mA

ILED-LED-ERR

LED Channel Matching

Any two channel mismatch

-3

VEN(L)

Enable Threshold Low

0.5

VEN(H)

Enable Threshold High

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