Electrical characteristics (continued) – Rainbow Electronics ATA6624 User 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