Datasheet LT1963A (Analog Devices) - 5

LT1963A Series
e lecTrical characTerisTics The
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denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 3) PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Input Voltage (Notes 4,12) ILOAD = 0.5A 1.9 V ILOAD = 1.5A l 2.1 2.5 V Regulated Output Voltage (Note 5) LT1963A-1.5 VIN = 2.21V, ILOAD = 1mA 1.477 1.500 1.523 V 2.5V < VIN < 20V, 1mA < ILOAD < 1.5A l 1.447 1.500 1.545 V LT1963A-1.8 VIN = 2.3V, ILOAD = 1mA 1.773 1.800 1.827 V 2.8V < VIN < 20V, 1mA < ILOAD < 1.5A l 1.737 1.800 1.854 V LT1963A-2.5 VIN = 3V, ILOAD = 1mA 2.462 2.500 2.538 V 3.5V < VIN < 20V, 1mA < ILOAD < 1.5A l 2.412 2.500 2.575 V LT1963A-3.3 VIN = 3.8V, ILOAD = 1mA 3.250 3.300 3.350 V 4.3V < VIN < 20V, 1mA < ILOAD < 1.5A l 3.200 3.300 3.400 V ADJ Pin Voltage (Notes 4, 5) LT1963A VIN = 2.21V, ILOAD = 1mA 1.192 1.210 1.228 V 2.5V < VIN < 20V, 1mA < ILOAD < 1.5A l 1.174 1.210 1.246 V Line Regulation LT1963A-1.5 ∆VIN = 2.21V to 20V, ILOAD = 1mA l 2.0 6 mV LT1963A-1.8 ∆VIN = 2.3V to 20V, ILOAD = 1mA l 2.5 7 mV LT1963A-2.5 ∆VIN = 3V to 20V, ILOAD = 1mA l 3.0 10 mV LT1963A-3.3 ∆VIN = 3.8V to 20V, ILOAD = 1mA l 3.5 10 mV LT1963A (Note 4) ∆VIN = 2.21V to 20V, ILOAD = 1mA l 1.5 5 mV Load Regulation LT1963A-1.5 VIN = 2.5V, ∆ILOAD = 1mA to 1.5A 2 9 mV VIN = 2.5V, ∆ILOAD = 1mA to 1.5A ● 18 mV LT1963A-1.8 VIN = 2.8V, ∆ILOAD = 1mA to 1.5A 2 10 mV VIN = 2.8V, ∆ILOAD = 1mA to 1.5A ● 20 mV LT1963A-2.5 VIN = 3.5V, ∆ILOAD = 1mA to 1.5A 2.5 15 mV VIN = 3.5V, ∆ILOAD = 1mA to 1.5A ● 30 mV LT1963A-3.3 VIN = 4.3V, ∆ILOAD = 1mA to 1.5A 3 20 mV VIN = 4.3V, ∆ILOAD = 1mA to 1.5A ● 35 mV LT1963A (Note 4) VIN = 2.5V, ∆ILOAD = 1mA to 1.5A 2 8 mV VIN = 2.5V, ∆ILOAD = 1mA to 1.5A ● 15 mV Dropout Voltage ILOAD = 1mA 0.02 0.06 V VIN = VOUT(NOMINAL) ILOAD = 1mA ● 0.10 V (Notes 6, 7, 12) ILOAD = 100mA 0.10 0.17 V ILOAD = 100mA ● 0.22 V ILOAD = 500mA 0.19 0.27 V ILOAD = 500mA ● 0.35 V ILOAD = 1.5A 0.34 0.45 V ILOAD = 1.5A ● 0.55 V GND Pin Current ILOAD = 0mA ● 1.0 1.5 mA VIN = VOUT(NOMINAL) + 1V ILOAD = 1mA ● 1.1 1.6 mA (Notes 6, 8) ILOAD = 100mA ● 3.8 5.5 mA ILOAD = 500mA ● 15 25 mA ILOAD = 1.5A ● 80 120 mA Output Voltage Noise COUT = 10µF, ILOAD = 1.5A, BW = 10Hz to 100kHz 40 µVRMS ADJ Pin Bias Current (Notes 4, 9) 3 10 µA Shutdown Threshold VOUT = Off to On ● 0.90 2 V VOUT = On to Off ● 0.25 0.75 V SHDN Pin Current (Note 10) VSHDN = 0V 0.01 1 µA VSHDN = 20V 3 30 µA Quiescent Current in Shutdown VIN = 6V, VSHDN = 0V 0.01 1 µA 1963aff For more information www.linear.com/LT1963A 5 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Applications Information Typical Applications Package Description Typical Application Revision History Related Parts