l4953 STMicroelectronics, l4953 Datasheet - Page 3

• Manufacturer Part Number: l4953
• Description: Multifunction Voltage Regulator For Car Radio
• Manufacturer: STMicroelectronics

ELECTRICAL CHARACTERISTICS (V
5V STAND-BY OUTPUT VOLTAGE
5V/1000mA SWITCHED OUTPUT VOLTAGE
10V/500mA SWITCHED OUTPUT VOLTAGE
HIGH SIDE DRIVER WITH CLAMPED OUTPUT (16V)
Symbol
SW hyst
SW hyst
SW hyst
V
V
SW off
V
SW off
V
SW off
V
SWon
SWon
SWon
V
V
I
V
SVR
dropout
dropout
dropout
dropout
qst-by
V
V
V
En
5st-by
R
R
R
V
V
V
I
out10
V
I
out16
I
out5
I
lim
I
lim
O
load
load
q
load
q
S
line
line
in
line
in
in
Operating Supply Voltage
Output Noise Voltage
Stand-by Output Voltage
Line Regulation
Load Regulation
Dropout Voltage
Quiescent Current @ Stand-by
5V Output Voltage
Line Regulation
Load Regulation
Dropout Voltage
Quiescent Current
Current Limit
Switch ON
Switch OFF
Switch Hysteresis
Input Impedance
10V Output Voltage
Line Regulation
Load Regulation
Dropout Voltage
Quiescent Current
Current Limit
Supply Voltage Rejection
Switch ON
Switch OFF
Switch Hysteresis
Input Impedance
Max. Output Voltage
Output Continuous Current
Dropout Voltage
Switch ON
Switch OFF
Switch Hysteresis
Input Impedance
Parameter
S
= 14V, T
Any reg. supply,
f = 100Hz to 200KHz
No load
11V < V
5mA < I
I
I
no load
7V < V
5mA < I
I
I
Output Shorted to GND
no load
11V < V
5mA < I
5.5V < V
I
Output Shorted to GND
f = 3KHz
V
V
6V < V
out
L
O
O
O
S
S
= 5mA
= 1A V
= 1A
= 500mA
= 18V
= 16V
= 100mA V
amb
S
in
Test Condition
O
O
O
S
S
< 18V
S
< 15V
< 16V
< 100mA
< 1A
< 18V
< 500mA
< 10V I
S
= 25 C, unless otherwise specified.)
= 5,5V
S
I
= 5.5V
O
O
= 1A
= 500mA
Min.
4.75
4.75
14.6
100
500
100
100
3.5
9.5
3.5
3.5
11
10
45
10
10
1
2
Typ.
200
200
600
200
200
0.2
0.3
1.3
0.4
0.4
45
12
30
40
10
12
10
40
40
5
5
5
5
1
5
Max.
5.25
0.65
5.25
10.5
16.2
400
150
100
500
500
500
0.6
1.5
1.5
0.9
1.5
0.9
1.5
50
50
50
50
50
50
18
L4953
Unit
mV
mV
mA
mV
mV
mA
mV
mV
mV
mA
mA
mV
mV
K
K
K
dB
V
V
V
V
V
A
V
V
V
V
V
V
V
A
V
V
V
V
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