l4957a STMicroelectronics, l4957a Datasheet - Page 6

• Manufacturer Part Number: l4957a
• Description: Up To 5a Uldo Linear Regulator
• Manufacturer: STMicroelectronics

Electrical characteristics
4
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Electrical characteristics
Table 4. Electrical Characteristcs (T
1. Specifications referred to T
Symbol
R
DS(on)
V
V
I
I
O
Q
IN
O
Operating Supply
Voltage
Output Voltage
Drain-Source ON
Resistance
Current Limiting
Quiescent Current 3V < V
Ripple Rejection
Parameter
J
from 0°C to +125°C.
3.15V < V
V
V
V
V
V
V
V
V
V
V
V
(1)
(1)
f = 120Hz, I
V
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
= 3.3V ±5%; 0.1A < I
= 3.3V ±5% I
= 5V ±5%
= 3.3V ±5% (0.1A < I
= 5V ±5% 0.1A < I
= 3.3V ±5% I
= 5V ±5%
= 3.3V ±5% (0.1A < I
= 5V ±5% 0.1A < I
= 5V ±5% I
= 5V ±5% 0.1A < I
= 5V ∆V
IN
< 14V
IN
J
Test condition
O
IN
= 25°C, V
< 5.25V; I
= 1A
= 2V
O
(1)
O
O
= 0.1A
= 0.1A
= 0.1A
PP
O
O
O
O
IN
< 5A
< 5A
< 5A
= 0.1A
O
O
O
= 5V, unless otherwise specified)
< 4.5A)
< 2.2A)
< 5A
(1)
(1)
(1)
(1)
1.485
1.782
1.764
2.475
3.267
3.234
1.47
2.45
Min
5.1
60
3
Typ
1.5
1.5
1.8
1.8
2.5
2.5
3.3
3.3
6.3
0.6
75
1.515
1.818
1.836
2.525
3.333
3.366
Max
1.53
2.55
300
7.5
14
2
L4957A
Unit
mΩ
mA
dB
V
V
V
V
V
V
V
V
V
A