LP2950-33LPRE3 datasheet(4/25 Pages) TI

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Absolute Maximum Ratings

(1)

Recommended Operating Conditions

LP2950

,, LP2951

ADJUSTABLE MICROPOWER VOLTAGE REGULATORS

WITH SHUTDOWN

SLVS582D – APRIL 2006 – REVISED MARCH 2007

over operating free-air temperature range (unless otherwise noted)

MIN

MAX

UNIT

VIN

Continuous input voltage range

–0.3

VSHDN

SHUTDOWN input voltage range

–1.5

ERROR comparator output voltage range(2)

–1.5

VFDBK

FEEDBACK input voltage range(2)(3)

–1.5

D package

Package thermal impedance(4)(5)

°C/W

LP package

140

Operating virtual junction temperature

150

°C

Tstg

Storage temperature range

–65

150

°C

(1)

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.

(2)

May exceed input supply voltage

(3)

If load is returned to a negative power supply, the output must be diode clamped to GND.

(4)

Maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any allowable ambient

temperature is PD = (TJ(max) – TA)/θJA. Operating at the absolute maximum TJ of 150°C can affect reliability.

(5)

The package thermal impedance is calculated in accordance with JESD 51-7.

MIN

MAX

UNIT

VIN

Supply input voltage

(1)

Operating virtual junction temperature

–40

125

°C

(1)

Minimum VIN is the greater of:

2 V (25

°C), 2.3 V (over temperature), or

VOUT(MAX) + Dropout (Max) at rated IL

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