Rainbow Electronics ATA6631 - Manual (Page 18)

18
9165A–AUTO–11/09
ATA6629/ATA6631
3.4
High level leakage
current
V
TXD
= V
CC
TXD I
TXD
–3 +3 µA A
3.5
Low level output sink
current at local wake-up
request
Fail-safe Mode
V
LIN
= V
S
V
WAKE
= 0V
V
TXD
= 0.4V
TXD I
TXDwake
2 2.5 8 mA A
4 EN Input Pin
4.1 Low level voltage input EN V
ENL
–0.3 +0.8 V A
4.2 High level voltage input EN V
ENH
2
V
CC
+
0.3V
V A
4.3 Pull-down resistor V
EN
= VCC EN R
EN
50 125 200 k
Ω
A
4.4 Low level input current V
EN
= 0V EN I
EN
–3 +3 µA A
5 NRES Open Drain Output Pin
5.1 Low level output voltage
V
S
≥
5.5V
I
NRES
= 1 mA
I
NRES
= 250 µA
NRES V
NRESL
V
NRESL
0.2
0.14
V
V A
A
5.2 Low level output low
10 k
Ω
to VCC
V
CC
= 0V
NRES V
NRESLL
0.2 V A
5.3 Undervoltage reset time
V
VS
≥
5.5V
C
NRES
= 20 pF
NRES t
Reset
2 4 6 ms A
5.4
Reset debounce time for
falling edge V
VS
≥
5.5V
C
NRES
= 20 pF
NRES t
res_f
1.5 10 µs A
6 VCC Voltage Regulator ATA6629
6.1 Output voltage V
CC
4V < VS < 18V
(0 mA to 50 mA)
VCC VCC
nor
3.234 3.366 V A
6.2
Output voltage V
CC
at
low V
S
3V < VS < 4V VCC VCC
low
V
VS
–
V
Drop
3.366 V A
6.3 Regulator drop voltage VS > 3V, I
VCC
= –15 mA VCC V
D1
200 mV A
6.4 Regulator drop voltage VS > 3V, I
VCC
= –50 mA VCC V
D2
500 700 mV A
6.5
Line regulation
maximum
4V < VS < 18V VCC VCC
line
1 % A
6.6
Load regulation
maximum
5 mA < I
VCC
< 50 mA VCC VCC
load
0.5 2 % A
6.7
Power supply ripple
rejection
10 Hz to 100 kHz
C
VCC
= 10 µF
VS = 14V, I
VCC
= –15 mA
50 dB C
6.8 Output current limitation VS > 4V VCC I
VCCs
–240 –160 mA A
6.9 Load capacity
0.2
Ω
< ESR < 5
Ω
at
100 kHz
VCC C
load
1.8 10 µF D
6.10
VCC undervoltage
threshold Referred to VCC
VS > 4V
VCC V
thunN
2.8 3.2 V A
6.11
Hysteresis of
undervoltage threshold Referred to VCC
VS > 4V
VCC Vhys
thun
150 mV A
9. Electrical Characteristics (Continued)
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*
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter