Datasheet

LP2989LV
SNVS086J –MAY 2000–REVISED APRIL 2013 www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
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) + 1V, I
L
= 1 mA, C
OUT
= 10 µF, C
IN
= 2.2 µF, V
S/D
= 2V.
LP2989AI-X.X
(1)
LP2989I-X.X
(1)
Symbol Parameter Conditions Typical Units
Min Max Min Max
I
GND
Ground Pin Current I
L
= 100 µA 175 175
110 µA
200 200
I
L
= 200 mA 2 2
1
3.5 3.5
mA
I
L
= 500 mA 6 6
3
9 9
V
S/D
< 0.18V 0.5 2 2
µA
V
S/D
< 0.4V 0.05 0.8 0.8
I
O
(PK) Peak Output Current V
OUT
≥ V
O
(NOM) − 5% 800 600 600
mA
I
O
(MAX) Short Circuit Current R
L
= 0 (Steady State)
(2)
1000
e
n
Output Noise Voltage BW = 100 Hz to 100 kHz,
18 µV(RMS)
(RMS) C
BYPASS
= .01 µF
Ripple Rejection f = 1 kHz
60 dB
Output Voltage See
(3)
20 ppm/°C
Temperature Coefficient
SHUTDOWN INPUT
V
S/D
S/D Input Voltage V
H
= O/P ON 1.4 1.6 1.6
V
V
L
= O/P OFF 0.18 0.18
0.50
I
IN
≤ 2 µA
I
S/D
S/D Input Current V
S/D
= 0 0.001 −1 −1
µA
V
S/D
= 5V 5 15 15
ERROR COMPARATOR
I
OH
Output “HIGH” Leakage V
OH
= 16V 1 1
0.001 µA
2 2
V
OL
Output “LOW” Voltage V
OUT
= V
O
(NOM) − 0.5V 220 220
150 mV
I
O
(COMP) = 150 µA
350 350
V
THR
Upper Threshold Voltage −6.0 −3.5 −6.0 −3.5
−4.8
(MAX)
−8.3 −2.5 −8.3 −2.5
V
THR
Lower Threshold Voltage −8.9 −4.9 −8.9 −4.9 %V
OUT
−6.6
(MIN)
−13.0 −3.0 −13.0 −3.0
HYST Hysteresis 2.0
(2) See TYPICAL PERFORMANCE CHARACTERISTICS curves.
(3) Temperature coefficient is defined as the maximum (worst-case) change divided by the total temperature range.
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