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L4954 Datasheet(PDF) 4 Page - STMicroelectronics

Part # L4954
Description  QUAD MULTIFUNCTION VOLTAGE REGULATOR FOR CAR RADIO
PDF  7 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L4954 Datasheet(HTML) 4 Page - STMicroelectronics

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ELECTRICAL CHARACTERISTICS (Continued)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
5V / 650mA REG 3 OUTPUT
VOUT5
Output Voltage
IOUT5 = 650mA
5
V
∆Vline
Line Regulation
VS = 7 to 26V
2
mV
∆Vload
Load Regulation
Iout5 = 5 to 650mA
9
mV
VDROPOUT
Dropout Voltage
VS =VOUT5 + 0.3V
Iout5 = 5mA
300
400
mV
VS =VOUT5 +1V
Iout5 = 650mA
1
1.1
V
Iq3
Reg 3 Quiescent Current
IOUT5 = 5mA
7
mA
IOUT5 = 650mA
7
mA
Ilim3
Current Limit
1.25
A
SVR3
Reg 3 Supply Voltage Rejection
f = 0.12 to 10KHz;
IOUT5 = 325mA; VRIP =1Vpp
55
dB
5V / 100mA STAND-BY REG 4 OUTPUT
VOUT5STBY
Output Voltage
IOUT5STBY = 100mA
5
V
∆Vline
Line Regulation
VS = 7 to 26V
0.8
mV
∆Vload
Load Regulation
Iout = 0.5 to 100mA
3.5
mV
VDROPOUT
Dropout Voltage
VS =VREG5STBY + 0.1V
Iout5STBY = 5mA
100
200
mV
VS =VREG5STBY + 0.5V
Iout5STBY = 100mA
500
600
mV
Iq4
Reg 4 Quiescent Current
IOUT5STBY = 2mA
0.25
mA
IOUT5STBY = 100mA
0.35
mA
Ilim4
Current Limit
190
mA
SVR4
Reg 4 Supply Voltage Rejection
f = 0.12 to 10KHz
Iout5STBY = 50mA; VRIP =1Vpp
55
dB
2A HSD1
Vsat,peak
Maximum Output Current
Saturation Voltage
RHSD1 =8
Ω
600
mV
Iq
Quiescent Current
9
mA
Ilim
Current Limit
RHSD1 = 0.5
Ω
3.5
A
Ileak1
Output Leakage Current
All driver outputs are off
20
µA
0.3A HSD2 & HSD3
Vsat
Maximum Output Current
Saturation Voltage
RHSD2,3 =53
Ω
150
mV
Iq
Quiescent Current
1.5
mA
Ilim
Current Limit
RHSD2.3 = 0.5
Ω
500
mA
Ileak2,3
Output Leakage Current
All driver outputs are off
10
µA
L4954
4/7



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