參數(shù)資料
型號(hào): L4956
廠商: 意法半導(dǎo)體
英文描述: 5A LOW DROP LINEAR REGULATOR
中文描述: 第5A低壓降線性穩(wěn)壓器
文件頁(yè)數(shù): 3/8頁(yè)
文件大小: 80K
代理商: L4956
ELECTRICALCHARACTERISTICS
(T
j
= 25
°
C, unless otherwisespecified)
Symbol
V
PW
V
SIG
V
OUT
Parameter
Test Condition
Min.
3
4.5
1.240
Typ.
Max.
6.5
6.5
1.280
Unit
V
V
V
PowerOperating Supply Voltage
Signal Operating Supply Voltage
Output Voltage
(1)
0 < Tj < 125
°
C; V
PW
= 3.3V
4.5V <V
SIG
< 6.5V; 0.1A< I
O
< 5A
3V<V
PW
<5.5V;4.5V< V
SIG
<6.5V
0.1A < I
O
< 5A; 0 < T
j
< 125
°
C
3V < V
PW
< 5.5V; I
O
= 10mA
4.5V <V
SIG
< 6.5V
VPW = 3.3V; V
SIG
= 5V
0.1A < I
O
< 5A
I
O
= 5A
I
O
= 5A, T
j
= 125
°
C
0 < T
j
< 125
°
C
V
O
= 0V, 0 < T
j
< 125
°
C
0.1A < I
O
< 5A
4.5V < V
SIG
<6.5V
INH = HIGH V
SIG
= 5V
0 < Tj < 125
°
C
1.260
1.224
1.260
1.296
V
V
OUT
Line regulation
(1)
0.5
3
mV
V
OUT
Load regulation (1)
1
5
mV
Drop-out Voltage
0.75
1.1
6.3
1.8
1.5
1.1
1.5
7.5
V
V
A
A
I
O
Current Limiting
Short Circuit Current
Quiescent Current at pin V
SIG
5.1
I
Q
3
mA
Stand By Current at pin V
SIG
Inhibit Threshold
Inhibit Histeresys
Inhibit Bias Sink Current
Power Good Threshold
100
1.26
0.2
5
0.9x
V
OUT
0.1
0.2
150
1.42
μ
A
V
V
μ
A
V
1.1
10
Power Good Saturation
Power Good Histeresys
I
6
= 4mA
0.4
V
V
(1) Output voltage connected to ADJ.
THERMAL DATA
Symbol
R
thj-pins
R
th j-amb
Parameter
Value
2.5
50
150
20
Unit
°
C/W
°
C/W
°
C
°
C
Thermal Resistance Junction-case
Thermal Resistance Junction-ambient
Thermal Shutdown
Thermal Hysteresis
Typ.
Typ.
L4956
3/8
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