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AAT3192IJQ-2 Datasheet(PDF) 5 Page - Advanced Analogic Technologies |
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AAT3192IJQ-2 Datasheet(HTML) 5 Page - Advanced Analogic Technologies |
5 / 17 page AAT3192/93 Low-Cost, 2-/3-Channel Charge-Pump LED Drivers 3193.2007.05.1.0 5 Electrical Characteristics 1 IN = EN = 3.6V; C IN = 1µF; COUT = 1µF; CCP = 1µF; RSET = 14.3kΩ; TA =-40°C to 85°C unless otherwise noted. Typical values are at T A = 25°C. Symbol Description Conditions Min Typ Max Units AAT3192/93-3: LED Current Sink Outputs R SET = 10.7kΩ; DATA = 1; I D_(MAX) D1 - D3 Current Accuracy V IN - VF = 1.5V 17.6 19.6 21.6 mA R SET = 10.7 kΩ; DATA = 1; ΔI D_(MAX) D1 - D3 Current Matching V IN - VF = 1.5V ±3 % I D_(DATA4) D1 - D3 Current Accuracy R SET = 10.7kΩ; DATA = 4; V IN - VF = 1.5V 0.72 0.9 1.1 mA V D_(TH) D1- D3 Charge Pump Mode R SET = 10.7kΩ; Transition Threshold I D1 = ID2 = ID3 = 20mA 150 mV AAT3192/93-1/-2/-3: EN/SET and S 2Cwire Control V ENH EN Input High Threshold Voltage 1.4 V V ENL EN Input Low Threshold Voltage 0.4 V I EN(LKG) EN Input Leakage Current EN/SET = IN = 5V -1 1 μA t EN/SET(OFF) EN/SET Input OFF Timeout 500 µs t EN/SET(LAT) EN/SET Input Latch Timeout 500 µs t EN/SET(LOW) EN/SET Input LOW Time 0.3 75 µs t ENSET(H-MIN) EN/SET Minimum High Time 50 ns t ENSET(H-MAX) EN/SET Maximum High Time 75 µs AAT3192/93-4: EN/PWM Current Control V ENH EN/PWM Input High Threshold Voltage 1.4 V V ENL EN/PWM Input Low Threshold Voltage 0.4 V I EN(LKG) EN/PWM Input Leakage Current EN/PWM = IN = 5V -1 1 μA t PWM(ON) PWM Control Turn-on Delay 2 µs t EN/PWM EN/PWM Input OFF Timeout 0.15 1 ms f PWM PWM Control Frequency Duty Cycle = 80% 50 kHz 1. The AAT3192/93 are guaranteed to meet performance specification over the -40°C to 85°C operating temperature range and are assured by design, characterization and correlation with statistical process controls. |
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