www.austriamicrosystems.com/LED-Driver-ICs/AS1112

Revision 1.13

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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

min and max values are guaranteed with production tests or SQC (Statistical Quality Control) methods.

Table 6. Electrical Characteristics

Symbol

Parameter

Condition

Min

Typ

Max

Unit

Operating Junction Temperature

-40

+125

°C

High-Level Output Voltage

V

Low-Level Output Voltage

0.5

V

I

Input Current

GSCLK, CLK, SDI, LD

-1

1

A

100

-1

1

Supply Current

Ω

1.2

3

mA

Ω

4

10

Ω

15

20

Ω

30

40

Power Down Current

only AS1112

40

nA

Constant Output Current

Ω

54

61

69

mA

Leakage Output Current

Ω, OUT0:OUT15

20

nA

Constant Current Error

Ω, OUT0:OUT15

±3

±4.5

%

Ω, OUT0:OUT15

±3

±4.5

Device to device, average current from

Ω (20 mA),

±3

±4.5

Device to device, average current from

Ω (80 mA),

±3

±4.5

Line Regulation

Ω OUT0:OUT15

±1

±2.5

%/V

Ω OUT0:OUT15

±1

±2.5

Load Regulation

Ω,

OUT0:OUT15

±0.1

±0.5

%/V

Ω,

OUT0:OUT15

±0.1

±0.5

Thermal Error Flag Threshold

Junction temperature

1

1. Specified by design. Not tested.

150

ºC

Thermal Warn Flag Threshold

Junction temperature

1

125

ºC

LED Short Detection Threshold

2.8

V

1.7

V

LED Open Detection Threshold

0.3

0.4

V

Reference Voltage Output

Ω

1.20

1.24

1.28

V