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LP2985-25 Datasheet(PDF) 4 Page - Texas Instruments

Part No. LP2985-25
Description  150-mA Low-noise Low-dropout Regulator With Shutdown
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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LP2985-25 Datasheet(HTML) 4 Page - Texas Instruments

 
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LP2985
SLVS522O – JULY 2004 – REVISED JANUARY 2015
www.ti.com
6 Specifications
6.1
Absolute Maximum Ratings
over virtual junction temperature range (unless otherwise noted)
(1)
MIN
MAX
UNIT
VIN
Continuous input voltage range(2)
–0.3
16
V
VON/ OFF
ON/OFF input voltage range
–0.3
16
V
Output voltage range(3)
–0.3
9
V
Internally limited
IO
Output current(4)
(short-circuit protected)
θJA
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)
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).
(3)
If load is returned to a negative power supply in a dual-supply system, 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.
6.2 ESD Ratings
VALUE
UNIT
Human body model (HBM), per ANSI/ESDA/JEDEC JS-001, all pins(1)
2000
V(ESD)
Electrostatic discharge
V
Charged device model (CDM), per JEDEC specification JESD22-C101,
1000
all pins(2)
(1)
JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.
(2)
JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.
6.3
Recommended Operating Conditions
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.
6.4 Thermal Information
LP2985
THERMAL METRIC(1)
DBV
UNIT
5 PINS
RθJA
Junction-to-ambient thermal resistance
206
°C/W
(1)
For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
4
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Copyright © 2004–2015, Texas Instruments Incorporated


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