LP3963_06 Datasheet, PDF (6/17 Pages) National Semiconductor (TI) – 3A Fast Ultra Low Dropout Linear Regulators

Absolute Maximum Ratings (Note 1)
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Storage Temperature Range
Lead Temperature
(Soldering, 5 sec.)
ESD Rating (Note 3)
Power Dissipation (Note 2)
Input Supply Voltage (Survival)
Shutdown Input Voltage
(Survival)
Output Voltage (Survival), (Note
6), (Note 7)
−65˚C to +150˚C
260˚C
2 kV
Internally Limited
−0.3V to +7.5V
−0.3V to V_IN+0.3V
−0.3V to +7.5V
I_OUT (Survival)
Short Circuit Protected
Maximum Voltage for ERROR
Pin
V_IN+0.3V
Maximum Voltage for SENSE Pin
V_OUT+0.3V
Operating Ratings
Input Supply Voltage (Operating),
(Note 12)
Shutdown Input Voltage
(Operating)
Maximum Operating Current (DC)
Operating Junction Temp. Range
2.5V to 7.0V
−0.3V to V_IN+0.3V
3A
−40˚C to +125˚C
Electrical Characteristics
LP3963/LP3966
Limits in standard typeface are for T_J = 25˚C, and limits in boldface type apply over the full operating temperature range.
Unless otherwise specified: V_IN = V_O(NOM) + 1.5V, I_L = 10 mA, C_OUT =33µF, V_SD = V_IN-0.3V.
Symbol
Parameter
Conditions
Typ
LP3963/6 (Note 5)
Units
Output Voltage
V_O
Tolerance
(Note 8)
(Note 4)
Min
Max
V_OUT +1.5V < V_IN< 7.0V
10 mA < I_L < 3A
0
-1.5
+1.5
%
-3.0
+3.0
V_ADJ
Adjust Pin Voltage (ADJ
version)
10 mA ≤ I_L ≤ 3A
V_OUT +1.5V ≤ V_IN≤ 7.0V
1.216
1.198
1.180
1.234
1.253
V
∆V _OL
Output Voltage Line
V_OUT +1.5V < V_IN <
0.02
%
Regulation (Note 8)
7.0V
0.06
∆V_O/ ∆I_OUT Output Voltage Load
10 mA < I_L < 3A
0.06
%
Regulation
0.01
(Note 8)
V_IN - V_OUT
I_L = 300 mA
80
Dropout Voltage
(Note 10)
I_L = 3A
800
100
120
mV
1000
1200
I_L = 300 mA
5
Ground Pin Current In
I_GND
Normal Operation Mode
I_L = 3A
6
9
10
mA
14
15
I_GND
Ground Pin Current In
V_SD ≤ 0.2V
15
Shutdown Mode
25
µA
75
(Note 11)
I_O(PK)
Peak Output Current
(Note 2)
4.5
4
A
3.5
SHORT CIRCUIT PROTECTION
I_SC
Short Circuit Current
OVER TEMPERATURE PROTECTION
5.5
A
Tsh(t)
Shutdown Threshold
165
˚C
Tsh(h)
Thermal Shutdown
10
˚C
Hysteresis
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