l4946b STMicroelectronics, l4946b Datasheet - Page 4

• Manufacturer Part Number: l4946b
• Description: Quad Voltage Regulator With Inhibit And Reset
• Manufacturer: STMicroelectronics

L4946
ELECTRICAL CHARACTERISTICS (continued)
4/9
Symbol
V
V
S
S
V
V
V
V
V
V
V
V
V
V
-V
-V
I
O3
I
O3
O3
O3
O4
I
L
L
O2
O3
O3
Q
O4
O4
Q
O3
O4
Ripple rejection
Line Regulation
Output Noise (design only)
Output Voltage
Line Regulation
Load Regulation
Quiescent Current ( I
Dropout Voltage
Current Limit note 1
Max Bat.Trans.
Rev. Voltage Trans.
Rev. Voltage .
Ripple rejection
Output Noise
Output Voltage
Line Regulation
Load Regulation
Quiescent Current
Dropout Voltage
Current Limit (note 1)
V
O2
across V
Parameter
S
range
S
)
f
I
I
f
I
I
V
Check output for AC noise
using A weighted filter (20-
20KHz)
Check output for AC noise
using 100kHz LP (20-100KHz)
I
V
I
V
V
I
I
set V
set V
V
R
Ramp V
Hold V
Ramp V
V
Check V
all temps
V
f
I
I
f
Check Output for AC noise
using a 100KHz LP filter
Check Output for AC noise
using an A weighted filter (20-
20KHz)
I
V
I
V
V
I
V
O
O1
O3
O
O1
O3
O3
O3
O3
O3
O
O1
O3
O
O4
O4
O4
S
S
S
S
O3
S
S
S
S
S
O4
O
= 120-10KHz; 1V
= 20-20KHz; 1V
= 120-10KHz; 1V
= 10KHz; 1V
= 10.5V to 26V
= 14V; I
= 14V; I
= 7V to 26V
= 5 to 200mA
= 14V; I
= -35V; t < 1ms; R
= -15V; R
= 7V to 26V
= 0.5 to 100mA
= 14V; I
= 90mA; I
= 75mA; I
= 90mA; I
= 75mA; I
=200mA; T
= 200mA
= 5mA
= 100
= 90mA; I
= 75mA; I
= 100mA; T
= 100mA
= 0V
= 0V
S
S
= V
= V
S
S
Test Condition
S
O3
at 60V for 10ms
from60 to 14V in 3-5ms;
from 14 to 60V in 3-5ms
O3
, standard T
O3
O3
O4
O3
O4
+0.3V; T
+0.4V;all
O
O2
O4
O2
O4
O2
O4
= 5mA;
= 2mA;
= 200mA;
pp
= 100mA;
all temps
amb
= 100
amb
= 50mA;
= 50mA;
= 50mA;
= 125mA
= 125mA
= 125mA
AC ; V
pp
pp
pp
T
all temps
= 25 C;
AC ; V
= 25 C;
amb
AC ; V
T
AC ; V
amb
T
all temps
amb
amb
amb
S
O
all temps
all temps
=14V
= 25 C;
= 25 C;
= 100
S
= 25 C;
;
;
= 25 C;
;
= 25 C
S
S
=14V
=14V
=14V
Min.
4.85
4.75
4.85
4.75
4.85
4.75
4.85
4.75
240
-0.4
120
50
50
50
50
Typ.
5
5
5
5
5
5
5
5
Max.
5.15
5.25
5.15
5.25
5.15
5.25
5.15
5.25
200
400
100
400
600
400
500
480
400
200
500
400
600
300
40
40
10
25
40
20
80
6
2
1
Unit
mV
mV
mV
mA
mA
mV
mV
mV
mV
mA
mV
mV
mA
mV
mV
mA
dB
dB
dB
dB
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
A