Datasheet LT1580, LT1580-2.5 (Analog Devices) - 3

LT1580/LT1580-2.5
ELECTRICAL CHARACTERISTICS PARAMETER CONDITIONS MIN TYP MAX UNITS
Load Regulation: LT1580-2.5 VCONTROL = 5V, VPOWER = 3.3V, ILOAD = 0mA to 7A ● 1 5 mV LT1580 (VADJ = 0V) VCONTROL = 2.75V, VPOWER = 2.1V, ILOAD = 10mA to 7A ● 1 5 mV Minimum Load Current: LT1580 VCONTROL = 5V, VPOWER = 3.3V, VADJ = 0V (Note 3) ● 5 10 mA Control Pin Current: LT1580-2.5 VCONTROL = 5V, VPOWER = 3.3V, ILOAD = 100mA, 0°C ≤ TJ ≤ 125°C 6 10 mA (Note 4) VCONTROL = 5V, VPOWER = 3.3V, ILOAD = 100mA, – 40°C ≤ TJ < 0°C 12 mA VCONTROL = 5V, VPOWER = 3.3V, ILOAD = 4A, 0°C ≤ TJ ≤ 125°C 30 60 mA VCONTROL = 5V, VPOWER = 3.3V, ILOAD = 4A, – 40°C ≤ TJ < 0°C 70 mA VCONTROL = 5V, VPOWER = 3V, ILOAD = 4A, 0°C ≤ TJ ≤ 125°C 33 70 mA VCONTROL = 5V, VPOWER = 3V, ILOAD = 4A, – 40°C ≤ TJ < 0°C 80 mA VCONTROL = 5V, VPOWER = 3.3V, ILOAD = 7A, 0°C ≤ TJ ≤ 125°C 60 120 mA VCONTROL = 5V, VPOWER = 3.3V, ILOAD = 6.5A, – 40°C ≤ TJ < 0°C 130 mA Control Pin Current: LT1580 VCONTROL = 2.75V, VPOWER = 2.05V, ILOAD = 100mA, 0°C ≤ TJ ≤ 125°C 6 10 mA (Note 4) VCONTROL = 2.75V, VPOWER = 2.05V, ILOAD = 100mA, – 40°C ≤ TJ < 0°C 12 mA VCONTROL = 2.75V, VPOWER = 2.05V, ILOAD = 4A, 0°C ≤ TJ ≤ 125°C 30 60 mA VCONTROL = 2.75V, VPOWER = 2.05V, ILOAD = 4A, – 40°C ≤ TJ < 0°C 70 mA VCONTROL = 2.75V, VPOWER = 1.75V, ILOAD = 4A, 0°C ≤ TJ ≤ 125°C 33 70 mA VCONTROL = 2.75V, VPOWER = 1.75V, ILOAD = 4A, – 40°C ≤ TJ < 0°C 80 mA VCONTROL = 2.75V, VPOWER = 2.05V, ILOAD = 7A, 0°C ≤ TJ ≤ 125°C 60 120 mA VCONTROL = 2.75V, VPOWER = 2.05V, ILOAD = 6.5A, – 40°C ≤ TJ < 0°C 130 mA Ground Pin Current: LT1580-2.5 VCONTROL = 5V, VPOWER = 3.3V, ILOAD = 0mA ● 6 10 mA ADJ Pin Current: LT1580 (VADJ = 0V) VCONTROL = 2.75V, VPOWER = 2.05V, ILOAD = 10mA ● 50 120 µA Current Limit: LT1580-2.5 VCONTROL = 5V, VPOWER = 3.3V, ∆VOUT = 100mV, 0°C ≤ TJ ≤ 125°C 7.1 8 A VCONTROL = 5V, VPOWER = 3.3V, ∆VOUT = 100mV, – 40°C ≤ TJ < 0°C 6.6 A LT1580 (VADJ = 0V) VCONTROL = 2.75V, VPOWER = 2.05V, ∆VOUT = 100mV, 0°C ≤ TJ ≤ 125°C 7.1 8 A VCONTROL = 2.75V, VPOWER = 2.05V, ∆VOUT = 100mV, – 40°C ≤ TJ < 0°C 6.6 A Ripple Rejection: LT1580-2.5 VC = VP = 5V Avg, VRIPPLE = 1VP-P, IOUT = 4A, TJ = 25°C 60 80 dB LT1580 VC = VP = 3.75V Avg, VRIPPLE = 1VP-P, VADJ = 0V, IOUT = 4A, TJ = 25°C 60 80 dB Thermal Regulation 30ms Pulse 0.002 0.020 %/W Thermal Resistance, Junction-to-Case T, T7 Packages, Control Circuitry/Power Transistor 0.65/2.70 °C/W
Dropout Voltage (Note 2)
Minimum VCONTROL: LT1580-2.5 VPOWER = 3.3V, ILOAD = 100mA, 0°C ≤ TJ ≤ 125°C 1.00 1.15 V (VCONTROL – VOUT) VPOWER = 3.3V, ILOAD = 100mA, – 40°C ≤ TJ < 0°C 1.20 V VPOWER = 3.3V, ILOAD = 1A, 0°C ≤ TJ ≤ 125°C 1.00 1.15 V VPOWER = 3.3V, ILOAD = 1A, – 40°C ≤ TJ < 0°C 1.20 V VPOWER = 3.3V, ILOAD = 4A, 0°C ≤ TJ ≤ 125°C 1.06 1.20 V VPOWER = 3.3V, ILOAD = 4A, – 40°C ≤ TJ < 0°C 1.25 V VPOWER = 3.3V, ILOAD = 7A, 0°C ≤ TJ ≤ 125°C 1.15 1.30 V VPOWER = 3.3V, ILOAD = 6.5A, – 40°C ≤ TJ < 0°C 1.35 V Minimum VCONTROL: LT1580 VPOWER = 2.05V, ILOAD = 100mA, 0°C ≤ TJ ≤ 125°C 1.00 1.15 V (VCONTROL – VOUT) VPOWER = 2.05V, ILOAD = 100mA, – 40°C ≤ TJ < 0°C 1.20 V (VADJ = 0V) VPOWER = 2.05V, ILOAD = 1A, 0°C ≤ TJ ≤ 125°C 1.00 1.15 V VPOWER = 2.05V, ILOAD = 1A, – 40°C ≤ TJ < 0°C 1.20 V VPOWER = 2.05V, ILOAD = 2.75A, 0°C ≤ TJ ≤ 125°C 1.05 1.18 V VPOWER = 2.05V, ILOAD = 2.75A, – 40°C ≤ TJ < 0°C 1.23 V VPOWER = 2.05V, ILOAD = 4A, 0°C ≤ TJ ≤ 125°C 1.06 1.20 V VPOWER = 2.05V, ILOAD = 4A, – 40°C ≤ TJ < 0°C 1.25 V VPOWER = 2.05V, ILOAD = 7A, 0°C ≤ TJ ≤ 125°C 1.15 1.30 V VPOWER = 2.05V, ILOAD = 6.5A, – 40°C ≤ TJ < 0°C 1.35 V 3