Rainbow Electronics ATA6624 - Manual (Page 23)

23
4986F–AUTO–07/08
ATA6622/ATA6624/ATA6626
17 VCC Voltage Regulator ATA6622
17.1 Output voltage VCC
4V < V
S
< 18V
(0 mA to 50 mA)
VCC
nor
3.234 3.366 V A
17.2
Output voltage VCC at
low VS
3V < V
S
< 4V VCC
low
V
S
–
V
Drop
3.366 V A
17.3 Regulator drop voltage
V
S
> 3V
I
VCC
= –15 mA
V
Drop1
200 mV A
17.4 Regulator drop voltage
V
S
> 3V
I
VCC
= –50 mA
V
Drop2
500 700 mV A
17.5 Line regulation 4V < V
S
< 18V VCC
line
1 % A
17.6 Load regulation 5 mA < I
VCC
< 50 mA 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
50 dB A
17.8 Output current limitation V
S
> 4V I
VCCs
–200 –160 mA A
17.9 Load capacity 1
Ω
< ESR < 5
Ω
@ 100 kHz C
load
1.8 10 µF D
17.10
VCC undervoltage
threshold Referred to VCC
V
S
> 4V
V
thunN
2.8 3.2 V A
17.11
Hysteresis of
undervoltage threshold Referred to VCC
V
S
> 4V
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
T
VCC
100 250 µs A
18 VCC Voltage Regulator ATA6624/ATA6626
18.1 Output voltage VCC
5.5V < V
S
< 18V
(0 mA to 50 mA)
VCC
nor
4.9 5.1 V A
18.2
Output voltage VCC at
low VS
4V < V
S
< 5.5V VCC
low
V
S
– V
D
5.1 V A
18.3 Regulator drop voltage
V
S
> 4V
I
VCC
= –20 mA
V
D1
250 mV A
18.4 Regulator drop voltage
V
S
> 4V
I
VCC
= –50 mA
V
D2
400 600 mV A
18.5 Regulator drop voltage
V
S
> 3.3V
I
VCC
= –15 mA
V
D3
200 mV A
18.6 Line regulation 5.5V < V
S
< 18V VCC
line
1 % A
18.7 Load regulation
5 mA < I
VCC
< 50 mA
100 kHz
VCC
load
0.5 2 % A
18.8 Output current limitation V
S
> 5.5V I
VCCs
–200 –130 mA A
18.9 Load capacity 1
Ω
< ESR < 5
Ω
V
thunN
1.8 10 µF D
18.10
VCC undervoltage
threshold Referred to VCC
V
S
> 5.5V
V
thunN
4.2 4.8 V A
18.11
Hysteresis of
undervoltage threshold Referred to VCC
V
S
> 5.5V
Vhys
thun
250 mV A
18.12
Ramp-up time V
S
> 5.5V
to V
CC
= 5V
C
VCC
= 2.2 µF
I
load
= –5 mA at VCC
t
VCC
130 300 µs A
8. Electrical Characteristics (Continued)
5V < V
S
< 27V, -40°C < Tj < 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