Datasheet LTC3025-1, LTC3025-2, LTC3025-3, LTC3025-4 (Analog Devices) - 3

LTC3025-1/LTC3025-2/ LTC3025-3/LTC3025-4
elecTrical characTerisTics The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 1.5V, VBIAS = 3.6V, COUT = 1µF, CIN = 0.1µF, CBIAS = 0.1µF (all capacitors ceramic) unless otherwise noted. (Note 3) PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN Operating Voltage (Note 4) LTC3025-1 l 0.9 5.5 V LTC3025-2 l 1.4 5.5 V LTC3025-3 l 1.7 5.5 V LTC3025-4 l 2.0 5.5 V VBIAS Operating Voltage (Note 4) LTC3025-1 l 2.5 5.5 V LTC3025-2 l 2.7 5.5 V LTC3025-3 l 3.0 5.5 V LTC3025-4 l 3.3 5.5 V VBIAS Undervoltage Lockout l 2.2 2.5 V VIN Operating Current IOUT = 10µA, VOUT = 1.2V, LTC3025-1 l 4 10 µA VIN Operating Current IOUT = 0µA, LTC3025-2/LTC3025-3/LTC3025-4 l 4 10 µA VBIAS Operating Current IOUT = 10µA, VOUT = 1.2V, LTC3025-1 l 50 80 µA VBIAS Operating Current IOUT = 0µA, LTC3025-2/LTC3025-3/LTC3025-4 l 50 80 µA VIN Shutdown Current VSHDN = 0V 1 5 µA VBIAS Shutdown Current VSHDN = 0V 0.01 1 µA VADJ Regulation Voltage (Note 5) 1mA ≤ IOUT ≤ 500mA, VOUT = 1.2V, 1.5V ≤ VIN ≤ 5V, LTC3025-1 0.395 0.4 0.405 V 1mA ≤ IOUT ≤ 500mA, VOUT = 1.2V, 1.5V ≤ VIN ≤ 5V, LTC3025-1 l 0.392 0.4 0.408 V VSENSE Regulation Voltage (Note 5) 1mA ≤ IOUT ≤ 500mA, 1.5V ≤ VIN ≤ 5V, LTC3025-2 1.185 1.2 1.215 V 1mA ≤ IOUT ≤ 500mA, 1.5V ≤ VIN ≤ 5V, LTC3025-2 l 1.176 1.2 1.224 V VSENSE Regulation Voltage (Note 5) 1mA ≤ IOUT ≤ 500mA, 1.7V ≤ VIN ≤ 5V, LTC3025-3 1.481 1.5 1.519 V 1mA ≤ IOUT ≤ 500mA, 1.7V ≤ VIN ≤ 5V, LTC3025-3 l 1.470 1.5 1.530 V VSENSE Regulation Voltage (Note 5) 1mA ≤ IOUT ≤ 500mA, 2.0V ≤ VIN ≤ 5V, LTC3025-4 1.777 1.8 1.823 V 1mA ≤ IOUT ≤ 500mA, 2.0V ≤ VIN ≤ 5V, LTC3025-4 l 1.764 1.8 1.836 V IADJ ADJ Input Current VADJ = 0.45V, LTC3025-1 –50 0 50 nA OUT Load Regulation (Referred to ADJ Pin) ∆IOUT = 1mA to 500mA, LTC3025-1 –0.35 mV OUT Load Regulation ∆IOUT = 1mA to 500mA, LTC3025-2 –1 mV ∆IOUT = 1mA to 500mA, LTC3025-3 –1.3 mV ∆IOUT = 1mA to 500mA, LTC3025-4 –1.5 mV VIN Line Regulation (Referred to ADJ Pin) VIN = 1.5V to 5V, VBIAS = 3.6V, VOUT = 1.2V, 0.07 mV IOUT = 1mA, LTC3025-1 VIN Line Regulation VIN = 1.5V to 5V, VBIAS = 3.6V, IOUT = 1mA, LTC3025-2 0.21 mV VIN = 1.8V to 5V, VBIAS = 3.6V, IOUT = 1mA, LTC3025-3 0.26 mV VIN = 2.1V to 5V, VBIAS = 3.6V, IOUT = 1mA, LTC3025-4 0.32 mV VBIAS Line Regulation VIN = 1.5V, VBIAS = 2.7V to 5V, VOUT = 1.2V, IOUT = 1mA, l 4.5 16.5 mV LTC3025-1 VBIAS Line Regulation VIN = 1.5V, VBIAS = 2.7V to 5V, IOUT = 1mA, LTC3025-2 l 4.5 16.5 mV VIN = 1.8V, VBIAS = 3.0V to 5V, IOUT = 1mA, LTC3025-3 l 4.5 16.5 mV VIN = 2.1V, VBIAS = 3.3V to 5V, IOUT = 1mA, LTC3025-4 l 4.5 16.5 mV VIN to VOUT Dropout Voltage (Notes 4, 6) VBIAS = 3V, VIN = 1.5V, IOUT = 500mA, 85 120 mV VADJ = 0.37V(LTC3025-1), VSENSE = 1.15V(LTC3025-2) l 170 mV VIN to VOUT Dropout Voltage (Notes 4, 6) VBIAS = 3.1V, VIN = 1.7V, IOUT = 500mA, 90 130 mV VSENSE = 1.45V(LTC3025-3) l 185 mV VIN to VOUT Dropout Voltage (Notes 4, 6) VBIAS = 3.4V, VIN = 2.0V, IOUT = 500mA, 90 130 mV VSENSE = 1.75V(LTC3025-4) l 185 mV VBIAS to VOUT Dropout Voltage (Note 4) LTC3025-1 l 1.5 V 30251234ff 3 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Package Description Revision History Typical Application Related Parts