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AS1112
Datasheet - E l e c t r i c a l C h a r a c t e r i s t i c s
7 Electrical Characteristics
V CC = +3.0 to +5.5V, Typical values are at T AMB = 25°C, V CC = 5V (unless otherwise specified). All limits are guaranteed. The parameters with
min and max values are guaranteed with production tests or SQC (Statistical Quality Control) methods.
Table 6. Electrical Characteristics
Symbol
T J
Parameter
Operating Junction Temperature
Condition
Min
-40
Typ
Max
+125
Unit
°C
V OH
V OL
I
High-Level Output Voltage
Low-Level Output Voltage
Input Current
I OH = -1mA, SDO
I OL = 1mA, SDO, XERR
V IN = V CC or GND; Pins OEN, TEST,
GSCLK, CLK, SDI, LD
V IN = V CC ; pin MODE, PD
V IN = GND; pin MODE, PD
All outputs off, R IREF = 10k ?
V CC -0.5
-1
-1
1.2
0.5
1
100
1
3
V
V
A
I CC
Supply Current
All outputs off, R IREF = 1.3k ?
All outputs on, R IREF = 1.3k ?
4
15
10
20
mA
All outputs on, R IREF = 640 ?
30
40
I PD
Power Down Current
only AS1112
40
nA
I COC
I LEAK
Constant Output Current
Leakage Output Current
All outputs on, V OUT = 2V,
R IREF = 640 ?
All outputs off, V OUT = 15V,
R IREF = 640 ? , OUT0:OUT15
54
61
20
69
mA
nA
V OUT = 2V, R IREF = 640 ? , OUT0:OUT15
V OUT = 2V, R IREF = 480 ? , OUT0:OUT15
±3
±3
±4.5
±4.5
? I COC
Constant Current Error
Device to device, average current from
OUT0:OUT15, R IREF = 1920 ? (20 mA),
V CC = 5.5V, V OUT = 2V
±3
±4.5
%
Device to device, average current from
OUT0:OUT15, R IREF = 480 ? (80 mA),
V CC = 5.5V, V OUT = 2V
±3
±4.5
? I LNR
? I LDR
Line Regulation
Load Regulation
V OUT = 2V, R IREF = 640 ? OUT0:OUT15
V OUT = 2V, R IREF = 480 ? OUT0:OUT15
V OUT = 2 to 4V, R IREF = 640 ? ,
OUT0:OUT15
V OUT = 2 to 4V, R IREF = 480 ? ,
OUT0:OUT15
±1
±1
±0.1
±0.1
±2.5
±2.5
±0.5
±0.5
%/V
%/V
T TEF
T TWF
V LSD
V LOD
Thermal Error Flag Threshold
Thermal Warn Flag Threshold
LED Short Detection Threshold
LED Open Detection Threshold
Junction temperature
Junction temperature
V CC = 5V
V CC = 3V
1
1
150
125
2.8
1.7
0.3
0.4
oC
oC
V
V
V
V IREF
Reference Voltage Output
R IREF = 640 ?
1.20
1.24
1.28
V
1. Specified by design. Not tested.
www.austriamicrosystems.com/LED-Driver-ICs/AS1112
Revision 1.13
5 - 19
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