l4953k STMicroelectronics, l4953k Datasheet - Page 4

• Manufacturer Part Number: l4953k
• Description: Multifunction Voltage Regulator For Car Radio
• Manufacturer: STMicroelectronics

L4953K
ELECTRICAL CHARACTERISTICS (continued)
LVW/FAULT (referred to V
RESET (referred to 5V st-by)
IGNITION
CIRCUIT CONFIGURATION - PIN EQUIVALENT CIRCUITS
PIN 1: EN 5V
PIN 2: EN 8.25V
4/8
THOFF
THOFF
THON
THON
HYST
(LVW-out 8.25)
OUT
HYST
Symbol
IGN
OUT
HYST
TH
I
I
leak
leak
ign
high
reset
LW
reset
LVW
reset
LVW
reset
ign
LVW ON Threshold
LVW OFF Threshold
LVW-V
Threshold Hysteresis
LVW Output Voltage
Leakage Current
Reset ON Threshold
Reset OFF Threshold
Reset Threshold Hysteresis
Reset Output Voltage
Reset Leakage Current
Ign Comparator Positive
Threshold
Ign Comparator Threshold
Hysteresis
Ignition Comparator Output High
out 8.25
18.5K
20K
Parameter
D95AU402
S
)
2.1K
10K
Test Condition
PIN 4: OUT 16V
D95AU403
Min.
8.55
8.75
100
0.5
3.6
3.8
5.5
3.5
50
50
6.5K
Typ.
9.00
9.20
0.65
200
100
300
3.8
6.5
4
Vst-by
Max.
9.45
9.65
350
250
500
1.5
4.2
1.5
7.5
50
50
4
Unit
mV
mV
mV
V
V
V
V
V
V
V
V
V
A
A