LP2985LV Datasheet, PDF (6/15 Pages) National Semiconductor (TI) – Micropower 150 mA Low-Noise Low-Dropout Regulator in SOT-23 and micro SMD packages for Applications

LP2985LV
150ĆmA LOWĆNOISE, LOWĆDROPOUT REGULATOR
WITH SHUTDOWN FOR OUTPUT VOLTAGES <2.3 V
SLVS552 − OCTOBER 2004
absolute maximum ratings over the virtual junction temperature range (unless otherwise noted)^†
Continuous input voltage range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to 16 V
ON/OFF input voltage range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to 16 V
Output voltage range (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to 9 V
Input/output voltage differential, V_IN-V_OUT (see Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to 16 V
Output current, I_O (see Note 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internally limited (short-circuit protected)
Package thermal impedance, θ_JA (see Notes 3 and 4): DBV package . . . . . . . . . . . . . . . . . . . . . . . . 206°C/W
YEQ/YZQ package . . . . . . . . . . . . . . . . . . TBD°C/W
YEU/YZU package . . . . . . . . . . . . . . . . . . . TBD°C/W
Operating virtual junction temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150°C
Storage temperature range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65°C to 150°C
† _{Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and}
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES: 1. If load is returned to a negative power supply in a dual supply system, the output must be diode clamped to GND.
2. The PNP pass transistor has a parasitic diode connected between the input and output. This diode is normally reversed bias
(VIN > VOUT) but will be forward biased if the output voltage exceeds the input voltage by a diode drop (see Application Information
for more details).
3. Maximum power dissipation is a function of TJ(max), θ_JA, and TA. The maximum allowable power dissipation at any allowable
ambient temperature is PD = (TJ(max) − TA)/θ_JA. Operating at the absolute maximum TJ of 150°C can affect reliability.
4. The package thermal impedance is calculated in accordance with JESD 51-7.
recommended operating conditions
VIN
VON/OFF
IOUT
TJ
Supply input voltage
ON/OFF input voltage
Output current
Virtual junction temperature
MIN MAX UNIT
2.2
16 V
−0.3 VIN V
150 mA
−40 125 °C
6
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265