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LP8340 Scheda tecnica(PDF) 6 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) 6 Page - National Semiconductor (TI)

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LP8340I 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 = −40˚C to 125˚C
Symbol
Parameter
Conditions
Min
(Note 5)
Typ
(Note 4)
Max
(Note 5)
Units
V
OUT
Output Voltage
LP8340-ADJ, ADJ = OUT
I
OUT = 10mA, VIN = 2.7V, TJ = 25˚C
100µA
≤I
OUT
≤ 800mA, 3.0V ≤V
IN
≤V
OUT +4V
800mA <I
OUT
≤1.0A, 3.2V ≤V
IN
≤V
OUT +4V
1.231
1.213
1.213
1.250
1.269
1.288
1.288
V
LP8340-1.8
I
OUT = 10mA, VIN = 2.8V, TJ = 25˚C
100µA
≤I
OUT
≤800mA, 3.2V ≤V
IN
≤6V
800mA <I
OUT
≤1.0A, 3.4V ≤V
IN
≤6V
1.773
1.746
1.746
1.800
1.827
1.854
1.854
V
LP8340-2.5
I
OUT = 10mA, VIN = 3.8V, TJ = 25˚C
100µA
≤I
OUT
≤1.0A, 3.8V ≤V
IN
≤6.5V
2.463
2.425
2.500
2.538
2.575
V
LP8340-3.3
I
OUT = 10mA, VIN = 4.3V TJ = 25˚C
100µA
≤I
OUT
≤1.0A, 4.3V ≤V
IN
≤7.5V
3.250
3.201
3.300
3.350
3.399
V
LP8340-5.0
I
OUT = 10mA, VIN = 6V, TJ = 25˚C
100µA
≤I
OUT
≤1.0A, 6V ≤V
IN
≤9V
4.925
4.850
5.000
5.075
5.150
V
∆V
O
Load Regulation
LP8340-ADJ, ADJ=OUT
I
OUT = 1mA to 1.0A, VIN = 3.2V
6
25
mV
LP8340-1.8
I
OUT = 1mA to 1.0A, VIN = 3.4V
8
30
LP8340-2.5
I
OUT = 1mA to 1.0A, VIN = 3.5V
15
50
LP8340-3.3
I
OUT = 1mA to 1.0A, VIN = 4.3V
20
75
LP8340-5.0
I
OUT = 1mA to 1.0A, VIN =6V
25
100
∆V
O
Line Regulation
V
OUT + 0.5V
≤V
IN
≤10V, I
OUT = 25mA
(Note 7)
4
15
mV
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
www.national.com
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