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LT1054IP Datasheet(PDF) 5 Page - Texas Instruments |
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LT1054IP Datasheet(HTML) 5 Page - Texas Instruments |
5 / 33 page LT1054 www.ti.com SLVS033G – FEBRUARY 1990 – REVISED JULY 2015 6.5 Electrical Characteristics over recommended operating free-air temperature range (unless otherwise noted) LT1054C, LT1054I PARAMETER TEST CONDITIONS TA (1) UNIT MIN TYP(2) MAX VO Regulated output voltage VCC = 7 V, TJ = 25°C, RL = 500 Ω (3) 25°C −4.7 −5 −5.2 V Input regulation VCC = 7 V to 12 V, RL = 500 Ω (3) Full range 5 25 mV Output regulation VCC = 7 V, RL = 100 Ω to 500 Ω (3) Full range 10 50 mV IO = 10 mA 0.35 0.55 Voltage loss, CI = CO = 100-μF tantalum Full range V VCC − |VO| (4) IO = 100 mA 1.1 1.6 Output resistance ΔIO = 10 mA to 100 mA See (5) Full range 10 15 Ω Oscillator frequency VCC = 3.5 V to 15 V Full range 15 25 35 kHz 25°C 2.35 2.5 2.65 Vref Reference voltage I(REF) = 60 μA V Full range 2.25 2.75 Maximum switch current 25°C 300 4 mA VCC = 3.5 V 2.5 5 ICC Supply current IO = 0 Full range mA VCC = 15 V 3 200 Supply current in V(FB/SD) = 0 V Full range 100 μA shutdown (1) Full range is 0°C to 70°C for the LT1054C and −40°C to 85°C for the LT1054I. (2) All typical values are at TA = 25°C. (3) All regulation specifications are for a device connected as a positive-to-negative converter/regulator with R1 = 20 k Ω, R2 = 102.5 kΩ, external capacitor CIN = 10 μF (tantalum), external capacitor COUT = 100 μF (tantalum) and C1 = 0.002 μF (see ). (4) For voltage-loss tests, the device is connected as a voltage inverter, with terminals 1, 6, and 7 unconnected. The voltage losses may be higher in other configurations. CIN and COUT are external capacitors. (5) Output resistance is defined as the slope of the curve ( ΔVO versus ΔIO) for output currents of 10 mA to 100 mA. This represents the linear portion of the curve. The incremental slope of the curve is higher at currents less than 10 mA due to the characteristics of the switch transistors. Copyright © 1990–2015, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LT1054 |
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