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L4953K Datasheet(PDF) 4 Page - STMicroelectronics

Part # L4953K
Description  MULTIFUNCTION VOLTAGE REGULATOR FOR CAR RADIO
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L4953K Datasheet(HTML) 4 Page - STMicroelectronics

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


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