l4956 STMicroelectronics, l4956 Datasheet - Page 5

• Manufacturer Part Number: l4956
• Description: 5a Low Drop Linear Regulator
• Manufacturer: STMicroelectronics

Figure 7. Quiescent Current at pin VSIG vs.
2 .5
1 .5
0 .5
Figure 9. Power Good Function
Figure 10. Inhibit Function
I q [ m A ]
3
2
1
0
0
Signal Input Voltage.
1
2
V S I G [V ]
3
Vref = 1.26V
0.9 V
I o = 1 0 m A t o 5 A
T j = 2 5 C
3 V < V P W < 6 . 5 V
V
V
4
ADJ
PG
ADJ
INH
regulator
ON
5
Low
6
7
High
regulator
OFF
Figure 8. Stand-By Current at pin VSIG vs. Signal
1 5 0
1 2 5
1 0 0
I q [ A ]
7 5
5 0
2 5
0
4
V
OUT
D96IN364B
hyst = 200mV
=V
Input Voltage with INH = LOGIC HIGH
Low
4 . 5
hyst = 200mV
ADJ
regulator
ON
(R1+R2)/R2
D96IN365A
t
t
5
t
V S I G [ V ]
T j = 2 5 C
3 V < V P W < 6 . 5 V
5 . 5
t
6
6 . 5
L4956
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