LP2982 Datasheet, PDF (6/28 Pages) National Semiconductor (TI) – Micropower 50 mA Ultra Low-Dropout Regulator

LP2982
SNVS128K – MARCH 2000 – REVISED JUNE 2016
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Electrical Characteristics (continued)
Unless otherwise specified: T_J = 25°C, V_IN = V_O(NOM) + 1 V, I_L = 1 mA, C_OUT = 1 μF, V_ON/OFF = 2 V.
PARAMETER
TEST CONDITIONS
LP2982AI-XX ⁽¹⁾
MIN TYP MAX
LP2982I-XX ⁽¹⁾
MIN TYP MAX
High = O/P ON
1.4
1.4
V_ON/OFF
ON/OFF input
voltage ⁽³⁾
High = O/P ON
–40°C ≤ T_J ≤ 125°C
Low = O/P OFF
1.6
0.55
1.6
0.55
I_ON/OFF ON/OFF input current
I_O(PK)
e_n
Peak output current
Output noise voltage
(RMS)
ΔV_O/ΔV_IN Ripple rejection
I_O(MAX) Short-circuit current
Low = O/P OFF
–40°C ≤ T_J ≤ 125°C
V_ON/OFF = 0 V
V_ON/OFF = 0 V
–40°C ≤ T_J ≤ 125°C
V_ON/OFF = 5 V
V_ON/OFF = 5 V
–40°C ≤ T_J ≤ 125°C
V_OUT ≥ V_O(NOM) − 5%
BW = 300 Hz to 50 kHz
C_OUT = 10 μF
ƒ = 1 kHz, C_OUT = 10 μF
R_L = 0 Ω (steady state)⁽⁴⁾
0.15
0.01
–2
5
15
150
100
30
45
150
0.15
0.01
–2
5
15
100
30
45
150
(3) The ON/OFF inputs must be properly driven to prevent misoperation. For details, see Operation With ON/OFF Control.
(4) See related curve(s) in Typical Characteristics section.
UNIT
V
μA
mA
μV
dB
mA
6
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