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LP3982IMM-1.8/NOPB Datasheet(PDF) 5 Page - Texas Instruments

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Part No. LP3982IMM-1.8/NOPB
Description  Micropower, Ultra-Low-Dropout, Low-Noise, 300-mA CMOS Regulator
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Maker  TI1 [Texas Instruments]
Homepage  http://www.ti.com
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LP3982IMM-1.8/NOPB Datasheet(HTML) 5 Page - Texas Instruments

 
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LP3982
www.ti.com
SNVS185E – FEBRUARY 2002 – REVISED OCTOBER 2015
6.5 Electrical Characteristics
Unless otherwise specified, all limits are specified for VIN = VOUT + 0.5 V
(1), V
SHDN = VIN, CIN = COUT = 2.2 μF, CCC = 33 nF, TJ
= 25°C.
PARAMETER
TEST CONDITIONS
MIN(2)
TYP(3)
MAX(2)
UNIT
VIN
Input voltage
For operating temperature extremes:
2.5
6
V
−40°C to 85°C
100
μA ≤ IOUT ≤ 300 mA
VIN = VOUT + 0.5 V
(1)
−2
2
% of VOUT
SET = OUT for the ADJ Versions
ΔVOUT
Output voltage tolerance
(NOM)
For operating temperature extremes:
−3
3
−40°C to 85°C
Output adjust range
ADJ version only;
VOUT
for operating temperature extremes:
1.25
6
V
−40°C to 85°C
Maximum output current
Average DC current rating;
IOUT
For operating temperature extremes:
300
mA
−40°C and 85°C
Output current limit
770
ILIMIT
mA
For operating temperature extremes:
330
−40°C to 85°C
IOUT = 0 mA
90
IOUT = 0 mA;
Supply current
for operating temperature extremes:
270
μA
IQ
−40°C to 85°C
IOUT = 300 mA
225
Shutdown supply current
VO = 0 V, SHDN = GND
0.001
1
μA
IOUT = 1 mA
0.4
IOUT = 200 mA
80
IOUT = 200 mA;
VDO
Dropout voltage(1)(4)
mV
for operating temperature extremes:
220
−40°C to 85°C
IOUT = 300 mA
120
IOUT = 1 mA,
0.01
(VOUT + 0.5 V) ≤ VI ≤ 6 V
(1)
IOUT = 1 mA, (VOUT + 0.5 V) ≤ VI ≤ 6
Line regulation
%/V
ΔVOUT
V(1);
−0.1
0.1
for operating temperature extremes:
−40°C to 85°C
Load regulation
100
μA ≤ IOUT ≤ 300 mA
0.002
%/mA
Output voltage noise
IOUT = 10 mA, 10 Hz ≤ f ≤ 100 kHz
37
μVRMS
en
Output voltage noise density
10 Hz
≤ f ≤ 100 kHz, COUT = 10 μF
190
nV/
√Hz
VIH, (VOUT + 0.5 V) ≤ VIN ≤ 6 V
(1);
for operating temperature extremes:
2
−40°C to 85°C
VSHDN
SHDN input threshold
V
VIL, (VOUT + 0.5 V) ≤ VIN ≤ 6 V
(1);
for operating temperature
0.4
extremes:
−40°C to 85°C
ISHDN
SHDN input bias current
SHDN = GND or IN
0.1
100
nA
ISET
SET input leakage
SET = 1.3 V, ADJ version only(5)
0.1
2.5
nA
(1)
Condition does not apply to input voltages below 2.5 V because this is the minimum input operating voltage.
(2)
All limits are verified by testing or statistical analysis.
(3)
Typical values represent the most likely parametric norm.
(4)
Dropout voltage is measured by reducing VIN until VOUT drops 100 mV from its nominal value at VIN – VOUT = 0.5 V. Dropout voltage
does not apply to the 1.8-V version.
(5)
The SET pin is not externally connected for the fixed versions.
Copyright © 2002–2015, Texas Instruments Incorporated
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