LTM8029 ELECTRICALCHARACTERISTICS The l denotes the specifications which apply over the full operatingtemperature range, otherwise specifications are at TA = 25°C. VIN = 12V, RUN = 2V unless otherwise noted (Note 2). PARAMETERCONDITIONSMINTYPMAXUNITS Minimum Input Voltage l 4.5 V Output DC Voltage IOUT ≤ 0.6A, RFB Open 1.2 V IOUT ≤ 0.6A, RFB = 576k 3.3 V Output DC Current 3.3VOUT 10 600 mA Quiescent Current Into VIN RUN = 0V 0.9 µA No Load 5 µA No Load l 9 µA BIAS Current 600mA Load 3.6 mA VIN = 32V, VOUT = 20V at 100mA Load 4.7 mA Line Regulation 5.5V < VIN < 36V, IOUT = 600mA 0.3 % Load Regulation 10mA < IOUT < 600mA 0.4 % Output RMS Voltage Ripple IOUT = 600mA 10 mV Switching Frequency RT = 41.2k 2.2 MHz RT = 124k 1 MHz RT = 768k 200 kHz Voltage at FB Pin 1.185 1.20 1.215 V l 1.175 1.20 1.225 V Internal Feedback Resistor 1 MΩ Minimum BIAS Voltage for Proper Operation l 1.7 2.25 V RUN Pin Current RUN = 2.5V 1 30 nA RUN Threshold Voltage l 0.95 1.3 V RUN Voltage Hysteresis 30 mV PGOOD Threshold (at FB) VOUT Rising 1.1 V PGOOD Leakage Current PGOOD = 6V 0.1 1 µA PGOOD Sink Current PGOOD = 0.4V 100 µA Note 1: Stresses beyond those listed under Absolute Maximum Ratings The LTM8029I is guaranteed to meet specifications over the full –40°C may cause permanent damage to the device. Exposure to any Absolute to 125°C internal operating temperature range. The LTM8029MP is Maximum Rating condition for extended periods may affect device guaranteed to meet specifications over the full –55°C to 125°C internal reliability and lifetime. operating temperature range. Note that the maximum internal temperature Note 2: The LTM8029E is guaranteed to meet performance specifications is determined by specific operating conditions in conjunction with board from 0°C to 125°C internal. Specifications over the full –40°C to layout, the rated package thermal resistance and other environmental 125°C internal operating temperature range are assured by design, factors. characterization and correlation with statistical process controls. Rev. E For more information www.analog.com 3 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Application Package Description Revision History Package Photo Design Resources Related Parts
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