VN450
ELECTRICAL CHARACTERISTICS (continued)
PROTECTIONS AND DIAGNOSTICS
Symbol
Parameter
Test Conditions
TTSD
Thermal Shut-down
Temperature
TTR Thermal Reset
Temperature
TRSD
(HYST)
VENOL
Thermal Hysteresis
Output Voltage
Authorizing Openload
Detection
8V ≤ VCC ≤ 36V
IOL
Open Load Current
Level
IOV
Over Current
IAV
Average Current in
Short Circuit
Channels 1,2
Channels 3
R1 ≤10 mΩ
R1 ≤10 mΩ
R1 ≤10 mΩ
channels 1,2
channel 3
8V ≤ VCC ≤ 18V
8V ≤ VCC ≤ 30V
channels 1,2
channel 3
TCase =85oC
VSTAT1,2,3 Status Output Voltage ISTAT = 1.6 mA (Fault Condition)
VSCL1,2,3 Status Clamp Voltage ISTAT = 10 mA
ISTAT = -10 mA
tPOL Status Delay
(∗) (see figure 1)
tPOVL Status Delay
(∗) (see figure 1)
VDEMAG Turn-off Output Clamp IOUT1 = 2 A L = 1 mH
Voltage
IOUT2 = 2 A L = 1 mH
IOUT3 = 0.5 A L = 1 mH
(∗) ISO definitions TPOL = Status delay in case of open load conditions
TPOVL = Status delay in case of over load conditions
VIN1 = 0
VIN2 = 0
VIN3 = 0
Min.
150
Typ.
170
Max.
190
Unit
oC
135
oC
5
15
30
oC
5.2 6.6
8
V
100 450 800 mA
5
50 100 mA
10
18
A
2
3.5
A
3.4
A
2
A
0.4
V
5.5
6
7
V
-0.7
V
50
300 950
µs
10
µs
VCC-45 VCC-50 VCC-55 V
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