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Rainbow-electronics ATA6630 Manual de usuario Pagina 28

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9117C–AUTO–10/09
ATA6628/ATA6630 [Preliminary]
17 VCC Voltage Regulator ATA6628 in Normal/Fail-safe and Silent Mode, VCC and PVCC Short-circuited
17.1 Output voltage VCC
4V < V
S
< 18V
(0 mA to 50 mA)
VCC VCC
nor
3.234 3.366 V A
17.2
Output voltage VCC at low
VS
3V < V
S
< 4V VCC VCC
low
V
S
– V
D
3.366 V A
17.3 Regulator drop voltage V
S
> 3V, I
VCC
= –15 mA VS, VCC V
D
200 mV A
17.4 Regulator drop voltage V
S
> 3V, I
VCC
= –50 mA VS, VCC V
D
500 700 mV A
17.5 Line regulation 4V < V
S
< 18V VCC VCC
line
1%A
17.6 Load regulation 5 mA < I
VCC
< 50 mA VCC VCC
load
0.5 2 % A
17.7
Power supply ripple
rejection
10 Hz to 100 kHz
C
VCC
= 10 µF
V
S
= 14V, I
VCC
= –15 mA
VCC 50 dB A
17.8 Output current limitation V
S
> 4V VCC I
VCClim
–240 –160 mA A
17.9 Load capacity
0.2Ω < ESR < 5Ω at
100 kHz
VCC C
load
1.8 10 µF D
17.10
VCC undervoltage
threshold
Referred to VCC
V
S
> 4V
VCC V
thunN
2.8 3.2 V A
17.11
Hysteresis of
undervoltage threshold
Referred to VCC
V
S
> 4V
VCC Vhys
thun
150 mV A
17.12
Ramp-up time V
S
> 4V to
V
CC
= 3.3V
C
VCC
= 2.2 µF
I
load
= –5 mA at VCC
VCC T
VCC
100 350 µs A
18 VCC Voltage Regulator ATA6630 in Normal/Fail-safe and Silent Mode, VCC and PVCC Short-circuited
18.1 Output voltage VCC
5.5V < V
S
< 18V
(0 mA to 50 mA)
VCC VCC
nor
4.9 5.1 V A
18.2
Output voltage VCC at low
VS
4V < V
S
< 5.5V VCC VCC
low
V
S
– V
D
5.1 V A
18.3 Regulator drop voltage V
S
> 4V, I
VCC
= –20 mA VS, VCC V
D1
250 mV A
18.4 Regulator drop voltage V
S
> 4V, I
VCC
= –50 mA VS, VCC V
D2
400 600 mV A
18.5 Regulator drop voltage V
S
> 3.3V, I
VCC
= –15 mA VS, VCC V
D3
200 mV A
18.6 Line regulation 5.5V < V
S
< 18V VCC VCC
line
1%A
18.7 Load regulation
5mA < I
VCC
< 50 mA
100 kHz
VCC VCC
load
0.5 2 % A
18.8
Power supply ripple
rejection
10 Hz to 100 kHz
C
VCC
= 10 µF
V
S
= 14V, I
VCC
= –15 mA
VCC 50 dB A
18.9 Output current limitation VS > 5.5V VCC I
VCClim
–240 –130 mA A
18.10 Load capacity
0.2Ω < ESR < 5Ω at
100 kHz
VCC V
thunN
1.8 10 µF D
18.11
VCC undervoltage
threshold
Referred to VCC
V
S
> 5.5V
VCC V
thunN
4.2 4.8 V A
18.12
Hysteresis of
undervoltage threshold
Referred to VCC
V
S
> 5.5V
VCC Vhys
thun
250 mV A
18.13
Ramp-up time V
S
> 5.5V
to V
CC
= 5V
C
VCC
= 2.2 µF
I
load
= –5 mA at VCC
VCC t
VCC
130 400 µs 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
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