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L4953G Datasheet(PDF) 3 Page - STMicroelectronics

Part # L4953G
Description  MULTIFUNCTION VOLTAGE REGULATOR FOR CAR RADIO
PDF  6 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L4953G Datasheet(HTML) 3 Page - STMicroelectronics

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ELECTRICAL CHARACTERISTICS (VS = 14V, Tamb = –40 to 85
°C, unless otherwise specified.)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
VS
Operating Supply Voltage
11
18
V
En
Output Noise Voltage
Any reg. supply,
f = 100Hz to 200KHz
200
400
µV
5V STAND-BY OUTPUT VOLTAGE
V5st-by
Stand-by Output Voltage
4.75
5
5.25
V
∆Vline
Line Regulation
11V < VS < 16V
5
50
mV
∆Vload
Load Regulation
5mA < IO < 100mA
12
100
mV
Vdropout
Dropout Voltage
Iout = 100mA Vbat = 5.5V
0.2
0.6
V
Iqst-by
Quiescent Current @ Stand-by
SW < 1.5V
5V ST-BY = 100
µA Load
0.3
0.65
mA
5V/1000mA SWITCHED OUTPUT VOLTAGE
Vout5
5V Output Voltage
no load
4.75
5
5.25
V
∆Vline
Line Regulation
7V < VS < 18V
5
50
mV
∆Vload
Load Regulation
5mA < IO <1A
12
50
mV
Vdropout
Dropout Voltage
Vbat = 5.5V IO = 1A
1.0
1.5
V
Iq
Quiescent Current
75mA < IO < 1A
30
100
mA
Ilim
Current Limit
Output Shorted to GND
1
1.3
A
SWon
Switch ON
IO = 75mA
3.5
V
SW off
Switch OFF
1.5
V
SW hyst
Switch Hysteresis
100
200
500
mV
Rin
Input Impedance
10
40
K
Ω
9.2V/500mA SWITCHED OUTPUT VOLTAGE
Vout9.2
9.2V Output Voltage
no load
9.2
±5%
V
∆Vline
Line Regulation
11V < VS < 18V
5
50
mV
∆Vload
Load Regulation
5mA < IO < 500mA
12
50
mV
Vdropout
Dropout Voltage
5.5V < Vin < 9.2V IO = 500mA
0.4
0.9
V
Iq
Quiescent Current
50mA < IO < 500mA
10
25
mA
Ilim
Current Limit
Output Shorted to GND
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
K
Ω
HIGH SIDE DRIVER WITH CLAMPED OUTPUT (16V)
Vout16
Max. Output Voltage
VS = 18V
14.6
16.2
V
IO
Output Continuous Current
VS = 16V
2
A
Vdropout
Dropout Voltage
5V < Vin < 15V IO = 2A
0.5
1.0
V
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
K
Ω
L4953G
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