Datasheet LTM8064 (Analog Devices) - 3

LTM8064
e lecTrical characTerisTics The
l
denotes the specifications which apply over the specified operating internal temperature range, otherwise specifications are at TA = 25°C. RUN = 3V unless otherwise noted (Note 3). PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Input Voltage VIN Falling l 6 V Output DC Voltage RFB Open 1.2 V RFB = 562Ω 36 V Output DC Sourcing Current CTRL1, CTRL2 = 1.5V 6 A Quiescent Current Into VIN VIN = 24V, RUN = 0V 0.2 6 µA VIN = 24V, No Load, MODE = 0V 2.5 5 mA Line Regulation 6V < VIN < 58V, IOUT = 1A 0.1 % Load Regulation VIN = 24V, 0A < IOUT < 6A 0.5 % Output RMS Voltage Ripple VIN = 24V, IOUT = 4.5A 10 mV Switching Frequency RT = 40.2k 1000 kHz RT = 453k 100 kHz Voltage at FB Pin l 1.176 1.20 1.224 V Current Out of FB Pin FB = 0V, VOUT = 1V 61.75 µA RUN Pin Current RUN = 1.4V 5 µA RUN Threshold Voltage (Falling) 1.46 1.52 1.58 V RUN Input Hysteresis 185 mV CTRL1 Control Range 0 1.5 V CTRL1 Pin Current 20 nA CTRL1 Sourcing Current Limit CTRL1 = 1.5V 6.3 7.0 7.7 A CTRL1 = 0.75V 2.85 3.55 4.25 A CTRL1 Sinking Current Limit CTRL1 = 1.5V 8.2 9.1 10.0 A CTRL1 = 0.75V 4.5 5.75 6.9 A CTRL2 Control Range 0 1.5 V CTRL2 Pin Current 100 nA CTRL2 Sourcing Current Limit CTRL2 = 1.5V 6.3 7.0 7.7 A CTRL2 = 0.75V 2.85 3.55 4.25 A CTRL2 Sinking Current Limit CTRL2 = 1.5V 8.2 9.1 10.0 A CTRL2 = 0.75V 4.5 5.75 6.9 A VREF Voltage 0.5mA Load 1.89 2.06 V SS Pin Current 11 µA SYNC Input Low Threshold fSYNC = 600kHz 1.4 V SYNC Input High Threshold fSYNC = 600kHz 2.3 V SYNC Bias Current SYNC = 0V 1 µA SYNC = 5V 1 µA MODE Low Threshold Voltage 2 V MODE High Threshold Voltage 3 V MODE Bias Current MODE = 0V 50 µA 8064fa For more information www.linear.com/LTM8064 3 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts