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L5953 Scheda tecnica(PDF) 6 Page - STMicroelectronics

Il numero della parte L5953
Spiegazioni elettronici  MULTIPLE SWITCHING VOLTAGE REGULATOR
PDF  24 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L5953 Scheda tecnica(HTML) 6 Page - STMicroelectronics

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DIAGNOSTIC PARAMETERS
HSD2
Vsat, peak Saturation Voltage
IO = 0.2A
250
mV
Ilim
Current Limit
300
mA
Lload
Load Inductance
100
mH
VOLTAGE WARNING
Vst
Sense Low Threshold
1.245
1.275
1.305
V
Vsth
Sense Threshold Hysteresis
35
45
60
mV
VSL
Sense Output Low Voltage
Io = 1mA
0.4
V
ISH
Sense Output Leakage
VW = 5V; VSI ≥ 1.5V
10
µA
ISI
Sense Input Current
VSI=5V
1
µA
RESET
VRT
Reset Threshold Voltage
0.95 x
VSTBY
V
VRTH
Reset Threhold Hysteresis
0.02 x
VSTBY
V
VRL
Reset Output Voltage
Io = 1mA
0.4
V
IRH
Reset Output Leakage
VRT = VSTBY
10
µA
VCTth
Delay Comparator Threshold
0.5 x
VSTBY
VCThy
Delay Comparator Threshold
Hysteresys
180
mV
ICT1
Timing Capacitor Output Source
Current
7.5
µA
RCT2
Timing Capacitor Output Pull-
Down equivalent Resistor
150
Ω
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
HSD1W1 High Side Driver 1 Overcurrent
Warning activation
0.95
A
HSD1W2 High Side Driver 1 Open Load
Warning activation
HSD1 output voltage in test mode
3
V
HSD1W2
TEST
High Side Driver 1 VDD Short
Warning activation in test mode
HSD1 in test mode
Measure VVDD-LIN-VHSD1
1.5
V
HSD2W1 High Side Driver 2 Overcurrent
Warning activation
0.7
A
ELECTRICAL CHARACTERISTCS (continued)
( Tamb = 25°C, VDD = 14.4V)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit



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