l4954 STMicroelectronics, l4954 Datasheet - Page 3

• Manufacturer Part Number: l4954
• Description: Quad Multifunction Voltage Regulator For Car Radio
• Manufacturer: STMicroelectronics

ELECTRICAL CHARACTERISTICS (Refer to the application circuit, V
I
unless otherwise specified.)
OUT10
10V / 40mA REG 1 OUTPUT
8.5V / 175mA REG 2 OUTPUT
V
V
Symbol
V
I
V
DROPOUT
DROPOUT
q,ST-BY
SVR
SVR
V
V
OUT8.5
OUT10
I
I
V
V
V
V
I
V
I
lim1
lim2
Iq
ENH
ENL
q1
q2
load
load
S
line
line
= 5mA; I
1
2
Operating Supply Voltage
Maximum Quiescent Current
Standby Quiescent Current
EN1, EN2, EN3 Input Low
Voltage
EN1, EN2, EN3 Input High
Voltage (Outputs Active)
Output Voltage
Line Regulation
Load Regulation
Dropout Voltage
Reg 1Quiescent Current
Current Limit
Reg 1Supply Voltage Rejection
Output Voltage
Line Regulation
Load Regulation
Dropout Voltage
Reg 2 Quiescent Current
Current Limit
Reg 1Supply Voltage Rejection
OUT8.5
= 5mA; I
Parameter
OUT5
= 5mA; I
OUT5 ST-BY
I
I
I
R
EN1, EN2, EN3 = 0
I
EN1, EN2, EN3 = 0
I
I
V
I
V
I
V
I
I
I
f = 0.12 to 10KHz;
I
I
V
I
V
I
V
I
I
I
f = 0.12 to 10KHz;
I
OUT10
OUT5
OUT5 ST-BY
OUT5, ST-BY
OUT5, ST-BY
OUT10
out10
out10
out10
OUT10
OUT10
OUT10
OUT8.5
out8.5
out8.5
out8.5
OUT8.5
OUT8.5
OUT8.5
S
S
S
S
S
S
HSD2,3
= 11 to 26V
= V
= V
= 11 to 26V
= V
= V
= 5 to 40mA
= 5mA
= 40mA
= 650mA;
= 5 to 175mA
= 5mA
= 175mA
= 40mA; I
= 40mA
= 5mA
= 40mA
= 25mA; V
OUT10
OUT10
OUT8.5
OUT8.5
= 5mA
= 175mA
= 100mA; V
= 175mA
Test Condition
= 53
= 100mA; R
= 50mA;
= 2mA;
= 0.5mA; R
+ 0.1V
+ 0.5V
+ 0.3V
+ 1V
OUT8.5
RIP
RIP
= 1V
HSD1
= 1V
= 175mA;
pp
HSD1
= 8 ;
pp
S
= 16 , R
= 14.4V; T
Min.
11
0
2
HSD2,3
amb
Typ.
420
300
100
500
100
300
300
8.5
10
10
55
10
55
2
2
7
7
2
1
7
7
= 25 C;
= 107 ,
Max.
200
600
400
0.8
1.1
16
5
L4954
Unit
dB
mA
mV
mV
mV
mV
mA
mA
mA
mV
mV
mV
mA
mA
mA
dB
V
V
V
V
V
V
A
A
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