LT1085IT-5#PBF

LT1085IT-5#PBF is a low dropout positive fixed regulator. All internal circuitry is designed to operate down to 1V input to output differential and the dropout voltage is fully specified as a function of load current. Dropout is guaranteed at a maximum of 1.5V at maximum output current, decreasing at lower load currents. On-chip trimming adjusts the output voltage to 1%. The current limit is also trimmed, minimizing the stress on both the regulator and power source circuitry under overload conditions. It is pin compatible with older three-terminal regulators. A 10µF output capacitor is required on this new device; however, this is usually included in most regulator designs. Applications include high efficiency linear regulators, post regulators for switching supplies, constant current regulators, battery chargers.

• Guaranteed dropout voltage at multiple current levels
• 100% thermal limit functional test
• 3.0Amps output current
• Current limit is 4.0A typical at VIN = 10V
• Temperature stability is 0.5% typical
• RMS output noise (% of VOUT) is 0.003% typ at TA = 25°C, 10Hz = ≤ f ≤ 10KHz
• Dropout voltage is 1.3V typ at ∆VOUT = 33mV, IOUT = IFULL-LOAD
• TO-220-3 package
• 0°C to +125°C temperature range

Remarques

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