L9348(2013) Ver la hoja de datos (PDF) - STMicroelectronics
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L9348 Datasheet PDF : 13 Pages
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L9348
Table 5. Electrical Characteristcs
The electrical characteristics are valid within the operating range (Table 4), unless otherwise specified
Symbol
Parameter
Test Condition
Min. Typ. Max. Unit
Power Supply
IS
Supply current
VIN1...IN4, ENA = H
8
mA
IQ Quiescent current (outputs OFF) VENA = L
6
mA
ID3/4 Quiescent current at pins D3/4
VD3/4 18V;
VIN3/4 = L
10
400
A
Diagnostic Functions
VQU1 to 4 Output open load voltage
threshold
VS 6.5V
VEN = X; VIN = L
0.3 0.33 0.36 x VS
IQU1 to 4 Output open load current
threshold
VS 6.5V
VEN = H; VIN = H
50
140 mA
IQO1/2 Overload current threshold Q 1, 2 VS 6.5V
5
7.5
9
A
IQO3/4 Overload current threshold Q 3, 4 VS 6.5V
3
5
8
A
Tth Overtemperature shutdown
2)
threshold
175
210
°C
Thy Overtemperature hysteresis
10
°C
VthPGL Power-GND-loss threshold
1.5
2.5
3.5
V
VthSGL Signal-GND-loss threshold
150 330 510 mV
Power Outputs (Q1 to Q4)
RDSON1/2 Static drain-source ON-resistance IQ = 1A; VS 9.5V
Q1, Q2
Tj = 25°C
0.2
Tj = 125°C 3)
0.5
Tj = 150°C 4)
0.5
RDSON3,4 Static drain-source ON-resistance IQ = 1A; VS 9.5V
Q3, Q4
Tj = 25°C
0.35
Tj = 125°C 3)
0.75
Tj = 150°C 4)
0.75
VZ Z-diode clamping voltage
IQ 100mA,
= threshold of flyback detection pos. supply VD3/4
Q3/4
45
60
V
VC Clamping voltage
IQ 100mA,
neg. supply VD3/4
4
10
V
IPD Output pull down current
VENA = H, VIN = L
10
20
50
A
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