ST1L05 STMicroelectronics, ST1L05 Datasheet - Page 13

• Manufacturer Part Number: ST1L05
• Description: Very low quiescent BiCMOS voltage regulator
• Manufacturer: STMicroelectronics

Specifications of ST1L05

• Fixed Output Voltage: 1.8 V, 2.5 V, 3.3 V and ADJ
• Output Voltage Tolerance: ± 2% at 25 °C
• Output Current Capability: 1.3 A
• Very Low Quiescent Current: max 650 μA over temperature range
• Operating Junction Temperature Range: from 0 to 125 °C

ST1L05, ST1L05A, ST1L05B, ST1L05C, ST1L05D
Figure 18. Supply voltage rejection vs.
Figure 20. Load transient
I
Figure 22. Line transient
C
O
I
=10 mA to 1.3 A, C
V
=C
V
80
80
75
75
70
70
65
65
60
60
55
55
50
50
I
O
O
-30
-30
=4.7 µF, V
V
V
EN
EN
-5
-5
= V
= V
temperature
I
I
I
=3 to 5.5V, I
= from 3 to 5.5 V, I
= from 3 to 5.5 V, I
C
C
I
I
= C
= C
20
20
I
=C
O
O
O
= 4.7 µF, F = 120 Hz
= 4.7 µF, F = 120 Hz
=10 µF, V
45
45
O
T [°C]
T [°C]
=5 mA
O
O
= 5 mA, V
= 5 mA, V
EN
70
70
=V
O
O
I
=5 V, V
= 1.22 V,
= 1.22 V,
95
95
O
@3.3 V
120
120
Doc ID 14492 Rev 2
145
145
Figure 19. Supply voltage rejection vs.
Figure 21. Short-circuit removal transient
I
Figure 23. Enable transient
C
O
O
=10 mA to short, C
V
V
=C
EN
O
80
80
70
70
60
60
50
50
40
40
30
30
20
20
I
10
10
=4.7 µF, V
V
V
EN
EN
= V
= V
I
I
= 3 to 5.5 V, I
= 3 to 5.5 V, I
frequency
100
100
EN
=0 to 2 V, V
I
=C
O
=10 µF, V
1000
1000
O
O
Frequency [Hz]
Frequency [Hz]
= 5 mA, V
= 5 mA, V
I
=5.5 V, I
Typical characteristics
O
O
EN
10000
10000
= 1.22 V, C
= 1.22 V, C
=V
O
I
=5.5 V
=5 mA
I
I
100000
100000
= C
= C
O
O
= 4.7 µF
= 4.7 µF
1000000
1000000
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