l4953k STMicroelectronics, l4953k Datasheet - Page 3

• Manufacturer Part Number: l4953k
• Description: Multifunction Voltage Regulator For Car Radio
• Manufacturer: STMicroelectronics

ELECTRICAL CHARACTERISTICS (V
5V STAND-BY OUTPUT VOLTAGE
5V/1000mA SWITCHED OUTPUT VOLTAGE
8.25V/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
I
T
V
SVR
dropout
dropout
dropout
dropout
qst-by
V
V
V
V
En
5st-by
R
R
R
V
V
V
V
out16
shu d
I
out5
I
I
out
O
load
load
q
load
q
S
line
line
in
line
in
in
Operating Supply Voltage
Output Noise Voltage
Thermal Shutdown Junction
Temperature
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
Switch ON
Switch OFF
Switch Hysteresis
Input Impedance
8.25V Output Voltage
Line Regulation
Load Regulation
Dropout Voltage
Quiescent Current
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
I
11V < V
5mA < Iout < 100mA
I
I
no load
7V < VS < 18V
5mA < Iout < 1A
I
75mA < I
no load
11V < VS < 18V
Iout = 500mA
I
I
f = 100Hz
f = 10KHz
V
VS = 15V
I
Load
out
Load
out
out
out
out
S
= 18V
= 100mA, V
= 1A, V
= 500mA, 5.5V < V
= 500mA
= 1A, 6V < V
= 5mA
= 5mA
amb
Test Condition
S
out
< 16V
S
= 25 C, unless otherwise specified.)
< 1A
= 5.5V
S
S
= 5.5V
< 15V
S
< 8.8V
Min.
4.75
4.75
100
100
100
3.5
7.9
3.5
1.5
3.5
11
25
55
40
25
15
25
Typ.
8.25
200
155
200
200
200
0.2
0.3
0.4
0.4
45
12
30
40
12
10
75
40
40
5
5
5
5
1
5
Max.
5.25
5.25
16.2
400
150
100
350
350
350
0.6
0.5
1.5
1.5
8.6
0.9
1.5
0.9
1.5
50
25
18
50
50
50
50
50
50
50
L4953K
Unit
mV
mV
mA
mV
mV
mA
mV
mV
mV
mA
mV
mV
K
K
K
dB
V
V
V
V
V
V
V
V
V
V
V
V
A
V
V
V
C
V
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