l4956 STMicroelectronics, l4956 Datasheet - Page 3
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l4956
Manufacturer Part Number
l4956
Description
5a Low Drop Linear Regulator
Manufacturer
STMicroelectronics
Datasheet
1.L4956.pdf
(8 pages)
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THERMAL DATA
ELECTRICAL CHARACTERISTICS (T
(1) Output voltage connected to ADJ.
Symbol
Symbol
R
V
R
V
V
V
V
OUT
I
I
th j-amb
th j-pins
PW
SIG
OUT
OUT
O
Q
Power Operating Supply Voltage
Signal Operating Supply Voltage
Output Voltage
Line regulation
Load regulation (1)
Drop-out Voltage
Current Limiting
Short Circuit Current
Quiescent Current at pin V
Stand By Current at pin V
Inhibit Threshold
Inhibit Histeresys
Inhibit Bias Sink Current
Power Good Threshold
Power Good Saturation
Power Good Histeresys
Thermal Resistance Junction-case
Thermal Resistance Junction-ambient
Thermal Shutdown
Thermal Hysteresis
Parameter
(1)
(1)
SIG
SIG
Parameter
j
= 25 C, unless otherwise specified)
0 < Tj < 125 C; V
4.5V < V
3V < V
0.1A < I
3V < V
4.5V < V
VPW = 3.3V; V
0.1A < I
I
I
0 < T
V
0.1A < I
4.5V < V
INH = HIGH V
0 < Tj < 125 C
I
O
O
6
O
= 4mA
= 5A
= 5A, T
= 0V, 0 < T
j
PW
< 125 C
PW
Test Condition
O
O
O
SIG
SIG
SIG
< 5.5V; 4.5V< V
< 5A; 0 < T
< 5A
j
< 5A
< 5.5V; I
= 125 C
< 6.5V; 0.1A < I
< 6.5V
<6.5V
j
SIG
< 125 C
SIG
PW
= 5V
O
= 5V
= 3.3V
j
= 10mA
< 125 C
SIG
O
< 6.5V
Typ.
Typ.
< 5A
1.240
1.224
Min.
4.5
5.1
1.1
3
Value
1.260
1.260
Typ.
0.9 x
V
0.75
1.26
150
100
2.5
0.5
1.1
6.3
1.8
1.5
0.2
0.1
0.2
50
20
OUT
1
5
1.280
1.296
Max.
1.42
150
6.5
6.5
1.1
1.5
7.5
0.4
10
3
5
3
L4956
Unit
Unit
C/W
C/W
mV
mV
mA
V
V
V
V
V
V
A
A
V
V
V
V
V
C
C
A
A
3/8