17
4856E–AUTO–07/07
ATA6823 [Preliminary]
9. Electrical Characteristics
All parameters given are valid for 7V ≤ VBAT ≤ 18V and for –40°C ≤ϑambient ≤ 125°C unless stated otherwise.
No. Parameters Test Conditions Pin Symbol Min Typ Max Unit Type*
1 Power Supply and Supervisor Functions
1.1 Current consumption V
BAT
V
VBAT
= 13.5V
(1)
25, 30 I
VBAT1
7mAA
1.2
Current consumption V
BAT
in Standby mode
V
VBAT
=13.5V 25, 30 I
VBAT2
50 µA A
1.3 Internal power supply 2 V
INT
4.84.945.1 V A
1.4 Band gap voltage V
BG
1.225 1.235 1.245 V A
1.5
Overvoltage threshold
V
BAT
30 V
THOV
19.8 22.3 V A
1.6
Overvoltage threshold
hysteresis V
BAT
Measured during
qualification only
30 V
TOVhys
11.5VA
1.7
Undervoltage threshold
V
BAT
30 V
THUV
6.5 7 V A
1.8
Undervoltage threshold
hysteresis V
BAT
Measured during
qualification only
30 V
TUVhys
0.2 0.4 V A
1.9
On resistance of V
BAT
switch
V
VBAT
= 13.5V 31 R
ON_VBATSW
100 Ω A
2 5V/3.3V Regulator
2.1 Regulated output voltage
9V < V
VBAT
<40V
I
load
= 0 mA to 100 mA
29 V
CC1
4.85
(3.2)
5.15
(3.4)
VA
2.2 Regulated output voltage
6V < V
VBAT
≤ 9V
I
load
= 0 mA to 100 mA
29 V
CC2
4.75
(3.2)
5.25
(3.4)
VA
2.3 Line regulation I
load
= 0 mA to 100 mA 29
DC line
regulation
<1 50 mV A
2.4 Load regulation I
load
= 0 mA to 100 mA 29
DC load
regulation
<10 50 mV A
2.5 Output current limitation V
VBAT
> 6V 29 I
OS1
100 300 mA C
2.6
Serial inductance to C
VCC
including PCB
29 ESL 1 20 nH D
2.7
Serial resistance to C
VCC
including PCB
29 ESR 0 0.5 Ω D
2.8 Blocking cap at VCC
(2), (3)
29 C
VCC
1.5 3.0 µF D
* Type: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
Notes: 1. EN, DIR, PWM = high
2. The use of X7R material is recommended
3. For higher values, stability at zero load is not guaranteed
4. Tested during qualification only
5. Value depends on T
OSC
; function tested with digital test pattern
6. Tested during characterization only
7. Supplied by charge pump
8. See section “Cross Conduction Time”
9. Voltage between source-drain of external switching transistors in active case
10. The short-circuit message will never be generated for switch-on time < t
sc
(165 paginas)
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