LP8345 National Semiconductor, LP8345 Datasheet - Page 5

• Manufacturer Part Number: LP8345
• Description: Low Dropout/ Low IQ/ 500mA CMOS Linear Regulator
• Manufacturer: National Semiconductor

I
T
e
V
V
∆V
Symbol
Symbol
LIMIT
n
SD
LP8345C Electrical Characteristics
IN
OUT
Unless otherwise specified all limits guaranteed for V
the full operating temperature range of T
LP8345I Electrical Characteristics
Unless otherwise specified all limits guaranteed for V
the full operating temperature range of T
O
Foldback Current Limit
Ripple Rejection Ratio
Thermal Shutdown
Temp.
Thermal Shutdown Hyst.
ADJ Input Leakage
Current
V
Output Noise
Input Voltage
Output Voltage
Load Regulation
OUT
Leakage Current
Parameter
Parameter
V
V
V
V
V
LP8345-ADJ
ADJ = OUT, V
LP8345-1.8, V
LP8345-2.5, V
LP8345-3.3, V
LP8345-5.0, V
10Hz to 10kHz, R
LP8345-ADJ,1.8, 2.5
LP8345-3.3, 5.0
LP8345-ADJ, ADJ = OUT
I
100µA ≤I
LP8345-1.8
I
100µA ≤I
LP8345-2.5
I
100µA ≤I
LP8345-3.3
I
100µA ≤I
LP8345-5.0
I
100µA ≤I
LP8345-ADJ, ADJ=OUT
I
LP8345-1.8
I
LP8345-2.5
I
LP8345-3.3
I
LP8345-5.0
I
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
IN
IN
IN
IN
ADJ
− V
− V
(dc) = V
(ac) = 1V
J
J
= 10mA, V
= 10mA, V
= 10mA, V
= 10mA, V
= 10mA, V
= 1mA to 500mA, V
= 1mA to 500mA, V
= 1mA to 500mA, V
= 1mA to 500mA, V
= 1mA to 500mA, V
= 1.5V or 0V
= 0˚C to 125˚C
= −40˚C to 125˚C
OUT
OUT
OUT
OUT
OUT
OUT
OUT
>
<
OUT
≤ 500mA, 2.7V ≤V
P-P
≤500mA, 2.8V ≤V
≤500mA, 3.5V ≤V
≤500mA, 4.3V ≤V
≤500mA, 6V ≤V
5V
4V
OUT
OUT
OUT
OUT
OUT
IN
IN
IN
IN
IN
+ 2V
IN
IN
@
Conditions
Conditions
L
= 2.7V, T
= 2.8V, T
= 3.5V, T
= 4.3V T
= 6V, T
= 2.5V, V
= 3.5V, V
= 4V, V
= 6V, V
= 2V, V
120Hz
= 1kΩ, C
= V
= V
O
O
(Continued)
+ 1V, C
+ 1V, C
IN
IN
IN
IN
IN
J
IN
IN
IN
5
J
= 2.7V
= 2.8V
= 3.5V
= 4.3V
= 6V
J
J
J
= 25˚C
IN
IN
OUT
= 10V
= 10V
= 25˚C
IN
= 10V
= 25˚C
= 25˚C
= 25˚C
= 10V
= 10V
IN
IN
IN
IN
≤9V
IN
IN
≤V
≤6V
= 10µF
≤6.5V
≤7.5V
= C
= C
OUT
OUT
OUT
+4V
= 10µF, T
= 10µF, T
(Note 5)
(Note 5)
1.231
1.213
1.773
1.746
2.463
2.425
3.250
3.201
4.925
4.850
Min
Min
2.7
48
J
J
= 25˚C. Boldface limits apply over
= 25˚C. Boldface limits apply over
(Note 4)
(Note 4)
±
1.250
1.800
2.500
3.300
5.000
1200
Typ
Typ
450
160
250
0.01
55
10
12
14
6
7
9
(Note 5)
(Note 5)
1.269
1.288
1.827
1.854
2.538
2.575
3.350
3.399
5.075
5.150
±
Max
Max
10
10
10
10
10
10
10
20
20
30
35
40
100
www.national.com
µVrms
Units
Units
mA
mV
dB
nA
µA
˚C
V
V
V
V
V
V