L4956 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'L4956' PDF : 8 Pages View PDF
THERMAL DATA
Symbol
Rth j-pins
Rth j-amb
Parameter
Thermal Resistance Junction-case
Thermal Resistance Junction-ambient
Thermal Shutdown
Thermal Hysteresis
L4956
Typ.
Typ.
Value
2.5
50
150
20
Unit
°C/W
°C/W
°C
°C
ELECTRICAL CHARACTERISTICS (Tj = 25°C, unless otherwise specified)
Symbol
VPW
VSIG
VOUT
∆VOUT
∆VOUT
IO
IQ
Parameter
Power Operating Supply Voltage
Signal Operating Supply Voltage
Output Voltage (1)
Line regulation (1)
Load regulation (1)
Drop-out Voltage
Current Limiting
Short Circuit Current
Quiescent Current at pin VSIG
Stand By Current at pin VSIG
Inhibit Threshold
Inhibit Histeresys
Inhibit Bias Sink Current
Power Good Threshold
Test Condition
0 < Tj < 125°C; VPW = 3.3V
4.5V < VSIG < 6.5V; 0.1A < IO < 5A
3V < VPW < 5.5V; 4.5V< VSIG < 6.5V
0.1A < IO < 5A; 0 < Tj < 125°C
3V < VPW < 5.5V; IO = 10mA
4.5V < VSIG < 6.5V
VPW = 3.3V; VSIG = 5V
0.1A < IO < 5A
IO = 5A
IO = 5A, Tj = 125°C
0 < Tj < 125°C
VO = 0V, 0 < Tj < 125°C
0.1A < IO < 5A
4.5V < VSIG <6.5V
INH = HIGH VSIG = 5V
0 < Tj < 125°C
Min.
3
4.5
1.240
1.224
5.1
1.1
Power Good Saturation
Power Good Histeresys
(1) Output voltage connected to ADJ.
I6 = 4mA
Typ.
1.260
1.260
0.5
1
0.75
1.1
6.3
1.8
1.5
100
1.26
0.2
5
0.9 x
VOUT
0.1
0.2
Max.
6.5
6.5
1.280
1.296
3
5
1.1
1.5
7.5
3
150
1.42
10
0.4
Unit
V
V
V
V
mV
mV
V
V
A
A
mA
µA
V
V
µA
V
V
V
3/8
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