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LP8340 Scheda tecnica(PDF) 5 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Il numero della parte LP8340
Spiegazioni elettronici  Low Dropout, Low IQ, 1.0A CMOS Linear Regulator
PDF  14 Pages
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Produttore elettronici  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
Logo NSC - National Semiconductor (TI)

LP8340 Scheda tecnica(HTML) 5 Page - National Semiconductor (TI)

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LP8340C Electrical Characteristics (Continued)
Unless otherwise specified all limits guaranteed for V
IN =VO+ 1V, CIN =COUT = 10µF, TJ = 25˚C. Boldface limits apply over
the full operating temperature range of T
J = 0˚C to 125˚C
Symbol
Parameter
Conditions
Min
(Note 5)
Typ
(Note 4)
Max
(Note 5)
Units
V
IN −VO
Dropout Voltage
(Note 7) (Note 8)
LP8340-1.8
I
OUT = 800mA
680
1400
mV
LP8340-2.5
I
OUT = 800mA
550
1000
LP8340-2.5
I
OUT = 1.0A
670
1300
LP8340-3.3
LP8340-ADJ, V
OUT = 3.3V, IOUT = 800mA
420
800
LP8340-3.3
LP8340-ADJ, I
OUT = 1.0A
540
1000
LP8340-5.0
I
OUT = 800mA
330
650
LP8340-5.0
I
OUT = 1.0A
420
800
I
Q
Quiescent Current
V
IN
≤10V
19
50
µA
Minimum Load Current
V
IN −VOUT
≤4V
100
µA
I
LIMIT
Foldback Current Limit
V
IN −VOUT >5V
450
mA
V
IN −VOUT <4V
1600
Ripple Rejection Ratio
V
IN (dc) = VOUT +2V
V
IN (ac) = 1 VP-P @ 120Hz
48
55
dB
T
SD
Thermal Shutdown
Temp.
Thermal Shutdown Hyst.
160
10
˚C
ADJ Input Leakage
Current
V
ADJ = 1.5V or 0V
±0.01
±100
nA
V
OUT Leakage Current
LP8340-ADJ
ADJ = OUT, V
OUT = 2V, VIN = 10V
10
µA
LP8340-1.8, V
OUT = 2.5V, VIN = 10V
10
LP8340-2.5, V
OUT = 3.5V, VIN = 10V
10
LP8340-3.3, V
OUT = 4V, VIN = 10V
10
LP8340-5.0, V
OUT = 6V, VIN = 10V
10
e
n
Output Noise
10Hz to 10kHz, R
L =1k
Ω,C
OUT = 10µF
250
µVrms
LP8340I Electrical Characteristics
Unless otherwise specified all limits guaranteed for V
IN =VO+ 1V, CIN =COUT = 10µF, TJ = 25˚C. Boldface limits apply over
the full operating temperature range of T
J = −40˚C to 125˚C
Symbol
Parameter
Conditions
Min
(Note 5)
Typ
(Note 4)
Max
(Note 5)
Units
V
IN
Input Voltage
LP8340-ADJ,1.8, 2.5
LP8340-3.3, 5.0
2.7
10
10
V
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