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AS1112B-BQFT Datasheet(PDF) 6 Page - ams AG |
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AS1112B-BQFT Datasheet(HTML) 6 Page - ams AG |
6 / 20 page www.austriamicrosystems.com/LED-Driver-ICs/AS1112 Revision 1.13 5 - 19 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 VCC = +3.0 to +5.5V, Typical values are at TAMB = 25°C, VCC = 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 Parameter Condition Min Typ Max Unit TJ Operating Junction Temperature -40 +125 °C VOH High-Level Output Voltage IOH = -1mA, SDO VCC -0.5 V VOL Low-Level Output Voltage IOL = 1mA, SDO, XERR 0.5 V I Input Current VIN = VCC or GND; Pins OEN, TEST, GSCLK, CLK, SDI, LD -1 1 A VIN = VCC; pin MODE, PD 100 VIN = GND; pin MODE, PD -1 1 ICC Supply Current All outputs off, RIREF = 10k Ω 1.2 3 mA All outputs off, RIREF = 1.3k Ω 4 10 All outputs on, RIREF = 1.3k Ω 15 20 All outputs on, RIREF = 640 Ω 30 40 IPD Power Down Current only AS1112 40 nA ICOC Constant Output Current All outputs on, VOUT = 2V, RIREF = 640 Ω 54 61 69 mA ILEAK Leakage Output Current All outputs off, VOUT = 15V, RIREF = 640 Ω, OUT0:OUT15 20 nA ∆ICOC Constant Current Error VOUT = 2V, RIREF = 640 Ω, OUT0:OUT15 ±3 ±4.5 % VOUT = 2V, RIREF = 480 Ω, OUT0:OUT15 ±3 ±4.5 Device to device, average current from OUT0:OUT15, RIREF = 1920 Ω (20 mA), VCC = 5.5V, VOUT = 2V ±3 ±4.5 Device to device, average current from OUT0:OUT15, RIREF = 480 Ω (80 mA), VCC = 5.5V, VOUT = 2V ±3 ±4.5 ∆ILNR Line Regulation VOUT = 2V, RIREF = 640 Ω OUT0:OUT15 ±1 ±2.5 %/V VOUT = 2V, RIREF = 480 Ω OUT0:OUT15 ±1 ±2.5 ∆ILDR Load Regulation VOUT = 2 to 4V, RIREF = 640 Ω, OUT0:OUT15 ±0.1 ±0.5 %/V VOUT = 2 to 4V, RIREF = 480 Ω, OUT0:OUT15 ±0.1 ±0.5 TTEF Thermal Error Flag Threshold Junction temperature 1 1. Specified by design. Not tested. 150 ºC TTWF Thermal Warn Flag Threshold Junction temperature 1 125 ºC VLSD LED Short Detection Threshold VCC = 5V 2.8 V VCC = 3V 1.7 V VLOD LED Open Detection Threshold 0.3 0.4 V VIREF Reference Voltage Output RIREF = 640 Ω 1.20 1.24 1.28 V |
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