Rainbow Electronics ATA6630 - Manual (Page 23)

23
9117C–AUTO–10/09
ATA6628/ATA6630 [Preliminary]
8. Thermal Characteristics
Parameters Symbol Min. Typ. Max. Unit
Thermal resistance junction to heat slug R
thjc
10 K/W
Thermal resistance junction to ambient,
where heat slug is soldered to PCB
according to Jedec
R
thja
35 K/W
Thermal shutdown of VCC regulator 150 165 170 °C
Thermal shutdown of LIN output 150 165 170 °C
Thermal shutdown hysteresis 10 °C
9. Electrical Characteristics
5V < V
S
< 27V, –40°C < T
j
< 150°C, unless otherwise specified. All values refer to GND pins
No. Parameters Test Conditions Pin Symbol Min. Typ. Max. Unit Type*
1 VS Pin
1.1 Nominal DC voltage range VS V
S
5 27 V A
1.2
Supply current in Sleep
Mode
Sleep Mode
V
LIN
> V
S
– 0.5V
V
S
< 14V (T
j
= 25°C)
VS I
VSsleep
3 10 14 µA A
Sleep Mode
V
LIN
> V
S
– 0.5V
V
S
< 14V (T
j
= 125°C)
VS I
VSsleep
5 11 16 µA A
Sleep Mode, V
LIN
= 0V
Bus shorted to GND
V
S
< 14V
VS I
VSsleep_short
TBD TBD 45 µA A
1.3
Supply current in Silent
Mode
Bus recessive
V
S
< 14V (T
j
= 25°C)
Without load at VCC
VS I
VSsi
30 40 50 µA A
Bus recessive
V
S
< 14V (T
j
= 125°C)
Without load at VCC
VS I
VSsi
30 40 50 µA A
Silent Mode
V
S
< 14V
Bus shorted to GND
Without load at VCC
VS I
VSsi_short
TBD TBD 80 µA A
1.4
Supply current in Normal
Mode
Bus recessive
V
S
< 14V
Without load at VCC
VS I
VSrec
0.3 0.8 mA A
1.5
Supply current in Normal
Mode
Bus recessive
V
S
< 14V
V
CC
load current 50 mA
VS I
VSdom
50 53 mA A
1.6
Supply current in Fail-safe
Mode
Bus recessive, RXD is low
V
S
< 14V
Without load at VCC
VS I
VSfail
0.8 1.5 mA A
1.7 VS undervoltage threshold
Switch to Unpowered Mode VS V
SthU
4 4.2 4.4 V A
Switch to Fail-safe Mode VS V
SthF
4.3 4.5 4.9 V A
1.8
VS undervoltage threshold
hysteresis
VS V
Sth_hys
0.3 V A
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter