L5953 데이터 시트보기 (PDF) - STMicroelectronics
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L5953 Datasheet PDF : 31 Pages
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Block diagram and electrical specifications
L5953
Table 5. Electrical characteristics (continued) (Tamb = 25°C, VDD = 14.4V)
Symbol
Parameter
Test condition
Min. Typ. Max. Unit
VIN
Input voltage
ΔVload Load regulation
ΔVline Line regulation
Vref,REG2
ILim
Voltage reference
Current limit
SVR Supply voltage rejection
HSD1
IO = 150mA
1.5V ≤ VLR ≤ 2V
3.135
16 V
IO = 300mA
1.5V ≤ VLR ≤ 3.3V
4.75
16 V
5mA ≤ IO ≤ 300mA
4.75V ≤ VIN ≤ 16V; 1.5V ≤ VLR ≤
12
mV
3.3V
no load;
4.75V ≤ VIN ≤ 16V; 1.5V ≤ VLR ≤
1
mV
3.3V
1.275
V
Out short to ground
400
mA
VIN = 5Vdc, 0.5Vacpp, 300Hz
IO = 300mA; 1.5V ≤ VLR ≤ 3.3V
VIN = 3.3Vdc, 0.5Vacpp, 300Hz
IO = 150mA; 1.5V ≤ VLR ≤ 2V
55
dB
55
dB
Vsat, peak
Ilim
Lload
HSD2
Saturation voltage
Current limit
Load inductance
IO = 0.5A
350 mV
600
mA
100 mH
Vsat, peak
Ilim
Lload
Saturation voltage
Current limit
Load inductance
Voltage warning
IO = 0.2A
300 mV
300
mA
100 mH
Vst
Vsth
VSL
ISH
ISI
Reset
Sense low threshold
Sense threshold hysteresis
Sense output low voltage
Sense output leakage
Sense input current
Io = 1mA
VW = 5V; VSI ≥ 1.5V
VSI=5V
1.245 1.275 1.305 V
35 45 60 mV
0.4 V
10 μA
1
μA
VRT
VRTH
VRL
Reset threshold voltage
Reset threshold hysteresis
Reset output voltage
Io = 1mA
0.95 x
VSTBY
V
0.02 x
VSTBY
V
0.4 V
10/31
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