Datasheet LT8609, LT8609A, LT8609B (Analog Devices) - 4

LT8609/LT8609A/LT8609B
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Input Voltage 3.0 V l 2.7 3.2 VIN Quiescent Current LT8609/LT8609A: VEN/UV = 0V, VSYNC = 0V 1 4 µA VEN/UV = 2V, Not Switching, VSYNC = 0V l 1.7 12 µA LT8609B: VEN/UV = 0V 1 4 µA VEN/UV = 2V, Not Switching 350 µA VIN Current in Regulation LT8609/LT8609A: VIN = 6V, VOUT = 2.7V, Output Load = 100μA l 46 90 μA VIN = 6V, VOUT = 2.7V, Output Load = 1mA l 480 700 μA LT8609A-3.3: VIN = 8V, VOUT = 3.3V ILOAD = 100μA l 46 90 μA VIN = 8V, VOUT = 3.3V ILOAD = 1mA l 480 700 μA LT8609A-5: VIN = 12V, VOUT = 5V ILOAD = 100μA l 46 90 μA VIN = 12V, VOUT = 5V ILOAD = 1mA l 480 700 μA Feedback Reference Voltage LT8609/LT8609A: (E-, I-, H-Grade) VIN = 6V, ILOAD = 100mA 0.778 0.782 0.786 V VIN = 6V, ILOAD = 100mA l 0.770 0.782 0.794 V LT8609/LT8609A: (J-Grade) VIN = 6V, ILOAD = 100mA 0.778 0.782 0.786 V VIN = 6V, ILOAD = 100mA l 0.766 0.782 0.798 V LT8609B: VIN = 6V, ILOAD = 100mA 0.772 0.782 0.792 V VIN = 6V, ILOAD = 100mA l 0.759 0.782 0.805 V Output Reference Voltage LT8609A-3.3: VIN = 8V, ILOAD = 100mA 3.291 3.3 3.309 V VIN = 8V, ILOAD = 100mA l 3.232 3.3 3.368 V LT8609A-5: VIN = 12V, ILOAD = 100mA 4.97 5 5.03 V VIN = 12V, ILOAD = 100mA l 4.89 5 5.11 V Feedback Voltage Line Regulation LT8609/LT8609A/LT8609B: VIN = 4.0V to 40V l 0.02 0.04 %/V Output Voltage Line Regulation LT8609A-33: VIN = 4.0V to 40V l 0.02 0.04 %/V Output Voltage Line Regulation LT8609A-5: VIN = 6.0V to 40V l 0.02 0.04 %/V Feedback Pin Input Current LT8609/LT8609A/LT8609B: VFB = 1.0V l ±20 nA Output Pin Input Current LT8609A-33: VOUT = 4.0V l 620 nA Output Pin Input Current LT8609A-5: VOUT = 6.0V l 425 nA Minimum On-Time ILOAD = 1.5A, SYNC = 0V l 45 75 ns ILOAD = 1.5A, SYNC = 1.9V l 45 60 ns Minimum Off Time 90 130 ns Rev. I 4 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts