L4953 데이터 시트보기 (PDF) - STMicroelectronics
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L4953 Datasheet PDF : 6 Pages
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L4953
ELECTRICAL CHARACTERISTICS (VS = 14V, Tamb = 25°C, unless otherwise specified.)
Symbol
VS
En
Parameter
Operating Supply Voltage
Output Noise Voltage
5V STAND-BY OUTPUT VOLTAGE
Test Condition
Any reg. supply,
f = 100Hz to 200KHz
Min.
11
Typ.
200
Max.
18
400
Unit
V
µV
V5 st-by
Stand-by Output Voltage
No load
∆Vline
Line Regulation
11V < VS < 16V
∆Vload
Load Regulation
5mA < IO < 100mA
Vdropout Dropout Voltage
Iout = 100mA VS = 5.5V
Iqst-by
Quiescent Current @ Stand-by IL = 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 0.65 mA
Vout5
5V Output Voltage
no load
∆Vline
∆Vload
Line Regulation
Load Regulation
7V < VS < 18V
5mA < IO < 1A
Vdropout Dropout Voltage
IO = 1A VS = 5,5V
Iq
Quiescent Current
IO = 1A
Ilim
SWon
Current Limit
Switch ON
Output Shorted to GND
SW off Switch OFF
SW hyst Switch Hysteresis
Rin
Input Impedance
10V/500mA SWITCHED OUTPUT VOLTAGE
4.75
5
5.25
V
5
50
mV
12
50
mV
1
1.5
V
30
100 mA
1
1.3
A
3.5
V
1.5
V
100 200 500 mV
10
40
KΩ
Vout10
10V Output Voltage
no load
∆Vline
∆Vload
Vdropout
Iq
Line Regulation
Load Regulation
Dropout Voltage
Quiescent Current
11V < VS < 18V
5mA < IO < 500mA
5.5V < VS < 10V IO = 500mA
IO = 500mA
Ilim
SVR
Current Limit
Supply Voltage Rejection
Output Shorted to GND
f = 3KHz
SWon Switch ON
SW off Switch OFF
SW hyst Switch Hysteresis
Rin
Input Impedance
HIGH SIDE DRIVER WITH CLAMPED OUTPUT (16V)
9.5
10 10.5
V
5
50
mV
12
50
mV
0.4
0.9
V
10
50
mA
500 600
mA
45
dB
3.5
V
1.5
V
100 200 500 mV
10
40
KΩ
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 = 16V
6V < Vin < 15V
IO = 1A
14.6
16.2
V
2
A
0.4
0.9
V
3.5
V
1.5
V
100 200 500 mV
10
40
KΩ
3/6
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