LTM4613 ELECTRICAL CHARACTERISTICSThe l denotes the specifications which apply over the full internaloperating temperature range, otherwise specifications are at TA = 25°C (Note 2), VIN = 24V, unless otherwise noted. Per TypicalApplication (front page) configuration.SYMBOLPARAMETERCONDITIONSMINTYPMAXUNITSControl Section VFB Voltage at VFB Pin IOUT = 0A, VOUT = 12V l 0.591 0.6 0.609 V VRUN RUN Pin On/Off Threshold 1 1.5 1.9 V ITRACK/SS Soft-Start Charging Current VTRACK/SS = 0V –1 –1.5 –2 µA VFCB Forced Continuous Threshold 0.57 0.6 0.63 V IFCB Forced Continuous Pin Current VFCB = 0V –1 –2 µA tON(MIN) Minimum On-Time (Note 3) 50 100 ns tOFF(MIN) Minimum Off-Time (Note 3) 250 400 ns RPLLIN PLLIN Input Resistor 50 kΩ IDRVCC Current into DRVCC Pin VOUT = 12V, IOUT = 0A, DRVCC = 5V 22 30 mA RFBHI Resistor Between VOUT and VFB 99.5 100 100.5 kΩ Pins VMPGM Margin Reference Voltage 1.18 V VMARG0, MARG0, MARG1 Voltage 1.4 V VMARG1 Thresholds PGOOD ∆VFBH PGOOD Upper Threshold VFB Rising 7 10 13 % ∆VFBL PGOOD Lower Threshold VFB Falling –7 –10 –13 % ∆VFB(HYS) PGOOD Hysteresis VFB Returning 1.5 % VPGL PGOOD Low Voltage IPGOOD = 5mA 0.2 0.4 V Note 1: Stresses beyond those listed under Absolute Maximum Ratings is guaranteed and tested over the full –55°C to 125°C internal operating may cause permanent damage to the device. Exposure to any Absolute temperature range. Note that the maximum ambient temperature Maximum Rating condition for extended periods may affect device consistent with these specifications is determined by specific operating reliability and lifetime. conditions in conjunction with board layout, the rated package thermal Note 2: The LTM4613 is tested under pulsed load conditions such that resistance and other environmental factors. TJ ≈ TA. The LTM4613E is guaranteed to meet performance specifications Note 3: 100% tested at die level only. over the 0°C to 125°C internal operating temperature range. Specifications Note 4: See the Output Current Derating curves for different VIN, VOUT over the –40°C to 125°C internal operating temperature range are assured and TA. by design, characterization and correlation with statistical process Note 5: Guaranteed by design. controls. The LTM4613I is guaranteed to meet specifications over the –40°C to 125°C internal operating temperature range. The LTM4613MP 4613fd 4 For more information www.linear.com/LTM4613 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Decoupling Requirements Operation Applications Information Package Photograph Related Parts
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