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LP2985A-18DBVT Datasheet(PDF) 4 Page - Texas Instruments

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Part # LP2985A-18DBVT
Description  150-mA LOW-NOISE LOW-DROPOUT REGULATOR WITH SHUTDOWN
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LP2985A-18DBVT Datasheet(HTML) 4 Page - Texas Instruments

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Absolute Maximum Ratings
(1)
Recommended Operating Conditions
LP2985
150-mA LOW-NOISE LOW-DROPOUT REGULATOR
WITH SHUTDOWN
SLVS522F – JULY 2004 – REVISED AUGUST 2005
over virtual junction temperature range (unless otherwise noted)
MIN
MAX
UNIT
VIN
Continuous input voltage range
–0.3
16
V
VON/OFF
ON/OFF input voltage range
–0.3
16
V
Output voltage range(2)
–0.3
9
V
VIN – VOUT
Input/output voltage differential range(3)
–0.3
16
V
Internally limited
IO
Output current(4)
(short-circuit protected)
θ
JA
Package thermal impedance(4)(5)
206
°C/W
TJ
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)
If load is returned to a negative power supply in a dual-supply system, the output must be diode clamped to GND.
(3)
The PNP pass transistor has a parasitic diode connected between the input and output. This diode normally is reverse biased
(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).
(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
2.2(1)
16
V
VON/OFF
ON/OFF input voltage
0
VIN
V
IOUT
Output current
150
mA
TJ
Virtual junction temperature
–40
125
°C
(1)
Recommended minimum VIN is the greater of 2.5 V or VOUT(max) + rated dropout voltage (max) for operating IL.
4


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