Preliminary Datasheet LP3120
Absolute Maximum Ratings
Input V oltage to GND (V IN) ------------------------------------------------------------------------------------ 6V
EN to GND V oltage (V en ) --------------------------------------------------------------------- 0.3V to V in +0.3V Maximum DC Output Current(Iout) ----------------------------------------------------------------------- 350mA Operating Junction Temperature Range (T J ) ---------------------------------------------------- 40℃ to 150℃ Maximum Soldering Temperature (at leads, 1 0sec) ----------------------------------------------------- 260℃
Electrical Characteristics
(Over recommended operating conditions unless specified otherwise) V IN =3.6V,EN=High, T A =25℃ )
Symbol Parameter Conditions
LP3120
Unit Min. Typ. Max.
V IN Input V oltage 2.8 V out V
V OUT Output V oltage Range 5.0 V I Q Quiescent Current No Load 2 4 mA I SHDN Shutdown Current EN = GND 1 5 μA F OSC Oscillator Frequency 0.9 1.2 1.5 MHz
I SC Output short Circuit Current LimitV out<0.5V
350
450
500 mA V EN(L) Enable Threshold Low 0.4 V V EN(H) Enable Threshold High
1.5
V
I EN
Input Low Current
V IN = V EN = 5.5V
-1
1 μA
Preliminary Datasheet LP3120 Packaging Information
LP3120- – 00 Ver. 1.0 Datasheet FEB.-2009 Page 6 of 6