L4956 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'L4956' PDF : 8 Pages View PDF
Figure 7. Quiescent Current at pin VSIG vs.
Signal Input Voltage.
Iq [m A]
3
2 .5
2
Io = 1 0m A to 5 A
T j = 25°C
3 V < V PW < 6 .5 V
1 .5
1
0 .5
0
0
1
2
3
4
5
6
7
V S IG [V ]
Figure 9. Power Good Function
L4956
Figure 8. Stand-By Current at pin VSIG vs. Signal
Input Voltage with INH = LOGIC HIGH
Iq [µ A ]
1 50
1 25
1 00
75
T j = 25 °C
50
3 V < V P W < 6 .5 V
25
0
4
4 .5
5
5 .5
6
6 .5
7
V S IG [V ]
VADJ
VOUT=VADJ (R1+R2)/R2
0.9 VADJ
PG
hyst = 200mV
t
Low
High
Low
t
D96IN364B
Figure 10. Inhibit Function
VINH
Vref = 1.26V
hyst = 200mV
t
regulator
ON
regulator
OFF
regulator
ON
t
D96IN365A
5/8
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