Datasheet

using: The value of θ
J−A
for the SOIC-8 package is 160°C/W, and the VSSOP-8 package is 200°C/W. The value
LP2986
www.ti.com SNVS137H –MARCH 1999–REVISED APRIL 2013
Absolute Maximum Ratings
(1)(2)
Storage Temperature Range −65°C to +150°C
Operating Junction Temperature Range −40°C to +125°C
Lead Temperature (Soldering, 5 seconds) 260°C
ESD Rating
(3)
2 kV
Power Dissipation
(4)
Internally Limited
Input Supply Voltage (Survival) −0.3V to +16V
Input Supply Voltage (Operating) 2.1V to +16V
Shutdown Pin −0.3V to +16V
Feedback Pin −0.3V to +5V
Output Voltage (Survival)
(5)
−0.3V to +16V
I
OUT
(Survival) Short Circuit Protected
Input-Output Voltage (Survival)
(6)
−0.3V to +16V
(1) Absolute Maximum Ratings indicate limits beyond which damage to the component may occur. Electrical specifications do not apply
when operating the device outside of its rated operating conditions.
(2) If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/Distributors for availability and
specifications.
(3) The ESD rating of the Feedback pin is 500V. The ESD rating of the V
IN
pin is 1kV and the Tap pin is 1.5 kV.
(4) The maximum allowable power dissipation is a function of the maximum junction temperature, T
J
(MAX), the junction-to-ambient thermal
resistance, θ
J−A
, and the ambient temperature, T
A
. The maximum allowable power dissipation at any ambient temperature is calculated
θ
J−A
for the WSON package is specifically dependent on PCB trace area, trace material, and the number of layers and thermal vias. For
improved thermal resistance and power dissipation for the WSON package, refer to Application Note AN-1187. Exceeding the maximum
allowable power dissipation will cause excessive die temperature, and the regulator will go into thermal shutdown.
(5) If used in a dual-supply system where the regulator load is returned to a negative supply, the LM2986 output must be diode-clamped to
ground.
(6) The output PNP structure contains a diode between the V
IN
and V
OUT
terminals that is normally reverse-biased. Forcing the output
above the input will turn on this diode and may induce a latch-up mode which can damage the part (see Application Hints).
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