L5956_11 STMICROELECTRONICS [STMicroelectronics], L5956_11 Datasheet - Page 8

• Manufacturer Part Number: L5956_11
• Description: Multifunction voltage regulator for car radio
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Electrical specifications
Table 4.
8/17
REGULATOR 4
POWER SWITCH
RESET BUFFER (with push-pull buffer)
HOLD SIGNAL
IH
IL
V
V
RES
source (RES)
Symbol
V
ΔTRES
I
HYS(RES)
o (REG 4)
SW
sink (RES)
PSRR
Discharge
V
V
I
I
I
V
V
dropSW
RES
RES
V
Charge
V
pSW1
pSW2
TH(R)
V
ΔVi
TH(F)
ΔV
ΔV
V
drop
I
lowh
I
lowI
lowl
m
oh
q
ol
DEL
delay
Electrical characteristics (continued)
Output voltage 3.3 V
Line regulation
Line regulation
Load regulation
Quiescent current
Supply voltage ripple rejection
Drop out voltage
Current limit
Drop voltage power switch
Peak current power switch
Peak current power switch
Delay protection
RES falling
RES rising
Hysteresis of reset buffer
High level source current
Low level sink current
Cres = 47nF
Reset rise and fall time
Charge current
Discharge current
Falling voltage threshold
Rising voltage threshold
Low level
High level
Hold output low for V
Hold output high for V
normal
Hold output low for V
Parameter
in1
in1
in1
low
high
Doc ID 13852 Rev 3
-
V
V
I
I
f = 1 kHz; V
I
I
R
I
Peak time < 15 ms
Peak time > 40 ms
-
Vreg2 = 5 V
Vreg2 = 5 V
-
Reset = 0 V
Reset = 5 V
-
R = 10 kΩ, C = 15 pF
C
C
-
-
I
-
Low detection
Normal high detection
low detection
reg4
reg4
o
reg4
dcSW
SINK(RES)
in2
in2
short
RES
RES
= 800 mA
= 6 to 18 V; I = 800 mA
= 6 to 18 V; I = 10 mA
= 1 to 800 mA
= 10 mA
= 800 mA
= 0 V
= 5 V
= 1.8A max.
= 0.5 Ω
Test condition
= 1 mA
in1
(2)
= 1.5 Vpp;
1000
Min.
3.15
4.65
4.6
2.5
4.5
50
15
50
14
10
10
22
1
2
1
3
1
1
-
-
-
-
-
-
-
-
-
Vreg2
1300
Typ.
100
3.3
4.7
4.8
1.2
2.8
0.3
16
5
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Max.
1600
3.45
4.95
100
200
2.5
0.5
3.5
4.8
1.4
3.5
0.5
5.5
50
50
40
18
60
50
10
18
5
2
2
3
9
-
-
L5956
Unit
mV
mV
mV
mA
mV
mA
mA
ms
ms
dB
µA
µA
µs
V
V
A
V
A
A
V
V
V
V
V
V
V
V
V