L4953K 查看數據表（PDF） - STMicroelectronics
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L4953K Datasheet PDF : 8 Pages
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L4953K
ELECTRICAL CHARACTERISTICS (VS = 14V, Tamb = 25°C, unless otherwise specified.)
Symbol
VS
En
Parameter
Operating Supply Voltage
Output Noise Voltage
Tshu d
Thermal Shutdown Junction
Temperature
5V STAND-BY OUTPUT VOLTAGE
Test Condition
Any reg. supply,
f = 100Hz to 200KHz
Min.
11
Typ.
200
155
Max.
18
400
Unit
V
µV
°C
V5 st-by
Stand-by Output Voltage
ILoad = 5mA
∆Vline
Line Regulation
11V < VS < 16V
∆Vload
Load Regulation
5mA < Iout < 100mA
Vdropout Dropout Voltage
Iout = 100mA, VS = 5.5V
Iqst-by
Quiescent Current @ Stand-by ILoad = 5mA
5V/1000mA SWITCHED OUTPUT VOLTAGE
4.75
5
5.25
V
5
50
mV
45
150 mV
0.2
0.6
V
0.3
0.5
mA
Vout5
∆Vline
∆Vload
Vdropout
Iq
SWon
5V Output Voltage
Line Regulation
Load Regulation
Dropout Voltage
Quiescent Current
Switch ON
no load
7V < VS < 18V
5mA < Iout < 1A
Iout = 1A, VS = 5.5V
75mA < Iout < 1A
SW off Switch OFF
SW hyst Switch Hysteresis
Rin
Input Impedance
8.25V/500mA SWITCHED OUTPUT VOLTAGE
4.75
5
5.25
V
5
50
mV
12
50
mV
1
1.5
V
30
100 mA
3.5
V
1.5
V
100 200 350 mV
25
40
50
KΩ
Vout
∆Vline
∆Vload
Vdropout
Iq
SVR
8.25V Output Voltage
Line Regulation
Load Regulation
Dropout Voltage
Quiescent Current
Supply Voltage Rejection
no load
7.9 8.25 8.6
V
11V < VS < 18V
5
50
mV
Iout = 500mA
12
50
mV
Iout = 500mA, 5.5V < VS < 8.8V
0.4
0.9
V
Iout = 500mA
f = 100Hz
f = 10KHz
10
25
mA
55
75
dB
40
SWon Switch ON
3.5
V
SW off Switch OFF
1.5
V
SW hyst Switch Hysteresis
100 200 350 mV
Rin
Input Impedance
25
40
50
KΩ
HIGH SIDE DRIVER WITH CLAMPED OUTPUT (16V)
Vout16
IO
Vdropout
SWon
SW off
SW hyst
Rin
Max. Output Voltage
Output Continuous Current
Dropout Voltage
Switch ON
Switch OFF
Switch Hysteresis
Input Impedance
VS = 18V
VS = 15V
Iout = 1A, 6V < VS < 15V
15
16.2
V
1.5
A
0.4
0.9
V
3.5
V
1.5
V
100 200 350 mV
25
40
50
KΩ
3/8
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