L4953G 查看數據表（PDF） - STMicroelectronics
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L4953G Datasheet PDF : 6 Pages
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L4953G
ELECTRICAL CHARACTERISTICS (VS = 14V, Tamb = –40 to 85°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. Typ. Max. Unit
11
18
V
200 400
µV
V5 st-by
∆Vline
∆Vload
Vdropout
Iqst-by
Stand-by Output Voltage
Line Regulation
Load Regulation
Dropout Voltage
Quiescent Current @ Stand-by
11V < VS < 16V
5mA < IO < 100mA
Iout = 100mA Vbat = 5.5V
SW < 1.5V
5V ST-BY = 100µA Load
5V/1000mA SWITCHED OUTPUT VOLTAGE
4.75
5
5.25
V
5
50
mV
12
100
mV
0.2
0.6
V
0.3 0.65 mA
Vout5
∆Vline
∆Vload
Vdropout
Iq
Ilim
SWon
SW off
5V Output Voltage
Line Regulation
Load Regulation
Dropout Voltage
Quiescent Current
Current Limit
Switch ON
Switch OFF
no load
7V < VS < 18V
5mA < IO < 1A
Vbat = 5.5V IO = 1A
75mA < IO < 1A
Output Shorted to GND
IO = 75mA
SW hyst Switch Hysteresis
Rin
Input Impedance
9.2V/500mA SWITCHED OUTPUT VOLTAGE
4.75
5
5.25
V
5
50
mV
12
50
mV
1.0
1.5
V
30
100
mA
1
1.3
A
3.5
V
1.5
V
100 200 500 mV
10
40
KΩ
Vout9.2
∆Vline
∆Vload
Vdropout
9.2V Output Voltage
Line Regulation
Load Regulation
Dropout Voltage
no load
11V < VS < 18V
5mA < IO < 500mA
5.5V < Vin < 9.2V IO = 500mA
9.2 ±5%
V
5
50
mV
12
50
mV
0.4
0.9
V
Iq
Quiescent Current
Ilim
Current Limit
50mA < IO < 500mA
Output Shorted to GND
10
25
mA
500 600
mA
SVR
Supply Voltage Rejection
f = 3KHz
45
75
dB
SWon Switch ON
3.5
V
SW off Switch OFF
1.5
V
SW hyst Switch Hysteresis
100 200 500 mV
Rin
Input Impedance
10
40
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 = 16V
5V < Vin < 15V IO = 2A
14.6
16.2
V
2
A
0.5
1.0
V
3.5
V
1.5
V
100 200 500 mV
10
40
KΩ
3/6
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