LP2980AIM5-3.3 National Semiconductor, LP2980AIM5-3.3 Datasheet - Page 6

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LP2980AIM5-3.3

Manufacturer Part Number
LP2980AIM5-3.3
Description
V REG LDO +3.3V, SMD, 2980, SOT235
Manufacturer
National Semiconductor

Specifications of LP2980AIM5-3.3

Voltage Regulator Type
Positive Fixed LDO
Voltage, Input Max
16V
Voltage, Output Max
3.3V
Current, Output Max
0.05A
Voltage, Dropout
0.12V
Accuracy, Percentage
0.5%
Outputs, No. Of
1
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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Electrical Characteristics
(Note 10) (Continued)
Note 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.
Note 2: The ESD rating of pins 3 and 4 for the SOT-23 package, or pins 5 and 2 for the micro SMD package, is 1 kV.
, the junction-to-ambient thermal resistance, θ
Note 3: The maximum allowable power dissipation is a function of the maximum junction temperature, T
, and
J(MAX)
JA
the ambient temperature, T
. The maximum allowable power dissipation at any ambient temperature is calculated using:
A
The value of θ
for the SOT-23 package is 220˚C/W and the micro SMD package is 255˚C/W. Exceeding the maximum allowable power dissipation will cause
JA
excessive die temperature, and the regulator will go into thermal shutdown.
Note 4: If used in a dual-supply system where the regulator load is returned to a negative supply, the LP2980 output must be diode-clamped to ground.
Note 5: The output PNP structure contains a diode between the V
and V
terminals that is normally reverse-biased. Reversing the polarity from V
to V
IN
OUT
IN
OUT
will turn on this diode (see Application Hints).
Note 6: Limits are 100% production tested at 25˚C. Limits over the operating temperature range are guaranteed through correlation using Statistical Quality Control
(SQC) methods. The limits are used to calculate National’s Average Outgoing Quality Level (AOQL).
Note 7: Dropout voltage is defined as the input to output differential at which the output voltage drops 100 mV below the value measured with a 1V differential.
Note 8: The ON/OFF inputs must be properly driven to prevent misoperation. For details, refer to Application Hints.
Note 9: See Typical Performance Characteristics curves.
Note 10: Exposing the micro SMD device to direct sunlight will cause misoperation. See Application Hints for additional information.
Basic Application Circuit
01207802
*ON/OFF input must be actively terminated. Tie to V
if this function is not to be used.
IN
**Minimum Output Capacitance is 1 µF to insure stability over full load current range. More capacitance provides superior dynamic performance and additional
stability margin (see Application Hints).
***Do not make connections to this pin.
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