L9947 Просмотр технического описания (PDF) - STMicroelectronics
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L9947 Datasheet PDF : 13 Pages
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L9947
ELECTRICAL CHARACTERISTICS (continued)
OUTPUTS:
Symbol
Parameter
Test Condition
Min. Typ. Max. Unit
RON OUT1 On Resistance to Supply or
GND
VS = 8V; Tj = 125°C;
IOUT = ±0.5A
6
Ω
VS >10V; Tj = 125°C;
IOUT = ± 0.5A
3.95
Ω
RON OUT2 On Resistance to Supply or
GND
VS = 8V; Tj = 125°C;
IOUT = ±0.5A
6
Ω
VS > 10V; Tj = 125°C;
IOUT = ± 0.5A
3.95
Ω
RON OUT3 On Resistance to Supply or
t(s) GND
VS = 8V; Tj = 125°C;
IOUT = ±2.5A
VS > 10V; Tj = 125°C;
IOUT = ± 2.5A
600 mΩ
395 mΩ
c RON OUT4 On Resistance to Supply or
u GND
lete Product(s) RON OUT5 On Resistance to Supply
VS = 8V; Tj = 125°C;
IOUT = ±2.5A
VS > 10V; Tj = 125°C;
IOUT = ± 2.5A
VS = 8V; Tj = 125°C; IOUT = -2A
VS > 10V; Tj = 125°C;
IOUT = -2A
600 mΩ
395 mΩ
1.0
Ω
0.7
Ω
d |IOUT1 |
bso Pro |IOUT2 |
Output Current Limitation to
Supply or GND
Output Current Limitation to
Supply or GND
For the function of the short
0.67
circuit current limitation see the
functional description (pag....)
0.67
2
A
2
A
) - O lete |IOUT3|
Output Current Limitation to
Supply or GND
4
12
A
t(s so |IOUT4 |
Output Current Limitation to
Supply or GND
4
12
A
c b |IOUT5 | Output Current Limitation to GND
2.5
7.5
A
u O IOUT1
Output Current
VOUT1 =2.5V; (status 18)
5
15
mA
rod - IOUtT2
Output Current
VOUT2 =2.5V; (status 18)
5
15
mA
P t(s) IOUT3
Output Current
VOUT3 =2.5V; (status 18)
5
15
mA
IOUT4
Output Current
VOUT4 =2.5V; (status 17)
80
500 mA
lete uc VOUT4=VS -2.5V; (status 16 or 18) -80
-500 mA
d IOUT5
Output Current
VOUT5 =VS -2.5V; (status 18)
-5
-15 mA
Obso te Pro VOUT1-5
Output Voltage Detection
Thresholds
VS =13V; (status 11)
LOW
HIGH
HYSTERESIS
4.9 0.4 VS 5.5
V
7.5 0.6 VS 8.1
V
0.2 VS
V
ole TJOT
Overtemperature Detection
Thresholds
status 12 - 15
steady state t >20ms
130
°C
125
<TJSD
°C
stISC
Overcurrent Switch off Time
50
µs
ObfOSC
Internal Oscillator Frequency
250
KHz
4/13
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