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AAT3152 Datasheet(PDF) 4 Page - Advanced Analogic Technologies |
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AAT3152 Datasheet(HTML) 4 Page - Advanced Analogic Technologies |
4 / 12 page Electrical Characteristics 1 C IN = COUT = C1 = C2 = 1.0µF; TA = -40°C to +85°C, unless otherwise noted. Typical values are T A = 25°C, VIN = 3.6V. Symbol Description Conditions Min Typ Max Units Input Power Supply V IN Operation Range 2.7 5.5 V 1X Mode, 3.0 ≤ V IN ≤ 5.5, Active, 0.3 1 No Load Current 1.5X Mode, 3.0 ≤ V IN ≤ 5.5, Active, 1 3 mA I CC Operating Current No Load Current 2X Mode, 3.0 ≤ V IN ≤ 5.5, Active, 1.5 3 No Load Current 50µA Setting, 1X Mode 50 µA I SHDN Shutdown Current EN/SET = 0 1 µA I DX I SINK Average Current Accuracy I SET = 20mA, TA = 25°C -10 10 % I (D-Match) Current Matching Between Any V F:D1:D4 = 3.6V 0.5 % Two Current Sink Inputs 2, 3 V TH 1X to 1.5X or 1.5X to 2X Transition 150 mV Threshold at Any Current Sink Pin Charge Pump Section T SS Soft-Start Time 100 µs F CLK Clock Frequency 1000 kHz EN/SET V EN(L) Enable Threshold Low 0.4 V V EN(H) Enable Threshold High 1.4 V T EN/SET LO EN/SET Low Time 0.3 75 µs T EN/SET_HI_MIN Minimum EN/SET High Time 50 ns T EN/SET_HI_MAX Maximum EN/SET High Time 75 µs T OFF EN/SET Off Timeout 500 µs T LAT EN/SET Latch Timeout 500 µs I EN/SET EN/SET Input Leakage -1 1 µA AAT3152 High Efficiency 1X/1.5X/2X Charge Pump For White LED Applications 4 3152.2005.08.1.2 1. The AAT3152 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured by design, characterization, and correlation with statistical process controls. 2. Current matching is defined as the deviation of any sink current at I OUT = 20mA and 2mA. 3. Specification applies only to the tri-mode charge pump. |
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