Rainbow Electronics ATA6824 - Manual (Page 14)

14
4931C–AUTO–09/06
ATA6824 [Preliminary]
7. Thermal Resistance
Parameters Symbol Value Unit
Thermal resistance junction to heat slug R
thjc
< 5 K/W
Thermal resistance junction to ambient when heat
slug is soldered to PCB
R
thja
25 K/W
8. Operating Range
The operating conditions define the limits for functional operation and parametric characteristics of the device. Functionality outside these
limits is not implied unless otherwise stated explicitly.
Parameters Symbol Min Max Unit
Operating supply voltage (1) V
VBAT1
7 18 V
Operating supply voltage (2) V
VBAT2
6 < 7 V
Operating supply voltage (3) V
VBAT3
3 < 6 V
Operating supply voltage (4) V
VBAT4
0 < 3 V
Operating supply voltage (5) V
VBAT5
> 20 40 V
Junction temperature range under bias T
j
–40 +200 °C
Normal functionality T
a
–40 +150 °C
Normal functionality, overtemperature warning T
a
180 200 °C
Drivers for H1, H2, L1, L2, and SIO are switched
OFF, VCC regulator is OFF
T
a
200 220 °C
Note: 1. Full functionality
2. H-bridge drivers may be switched off (undervoltage detection)
3. H-bridge drivers are switched off, 5V/3.3V regulator with reduced parameters, RESET works correctly
4. H-bridge drivers are switched off, 5V regulator not working, RESET not correct
5. H-bridge drivers are switched off
9. Noise and Surge Immunity
Parameters Test Conditions Value
Conducted interferences ISO 7637-1 Level 4 (1)
Interference suppression VDE 0879 Part 2 Level 5
ESD (Human Body Model) ESD S 5.1 2 kV
CDM (Charge Device Model) ESD STM5.3. 500V
Note: 1. Test pulse 5: V
vbmax
= 40V