lt3710 Linear Technology Corporation, lt3710 Datasheet
lt3710
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lt3710 Summary of contents
Page 1
... A high speed operational amplifier is incorporated to achieve optimum compensa- tion and fast transient response. A user selectable discon- tinuous conduction mode improves light load efficiency. The LT3710 is available in a thermally enhanced TSSOP-16 exposed pad power package. , LTC and LT are registered trademarks of Linear Technology Corporation. L1 ...
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... REF Common Mode Voltage from – 2.5V CC Common Mode Voltage from – 2. ILCOMP + – ORDER PART NUMBER 16 GBIAS 15 BGATE LT3710EFE 14 PGND – PART 10 VA OUT MARKING 9 BGS 3710EFE = 38 C 24V, no load on any outputs CC ...
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... Gate Drive Rise and Fall Time Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired. Note 2: The LT3710E is guaranteed to meet performance specifications from 125 C. Specifications over the – 125 C operating temperature range are assured by design, characterization and correlation with statistical process controls ...
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... LT3710 W U TYPICAL PERFOR A CE CHARACTERISTICS FREQ vs V REF CC CSET = 500pF REF 0 –1 FREQ (V) CC Frequency vs Temperature 195 CSET = 500pF 200 205 210 215 –40 – JUNCTION TEMPERATURE ( (Charging 2.2 F) BIAS GBIAS C = 2.2 F GBIAS ...
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... PGND (Pin 14): Ground of the Bottom Side N-Channel MOSFET Driver. BGATE (Pin 15): Bottom Side N-Channel MOSFET Driver. GBIAS (Pin 16): 8V Regulator Output for Boostrapping V A bypass capacitor of at least needed. BOOST . Exposed Pad (Pin 17): Connect to PGND (Pin 14). LT3710 – is connected to the output capacitor side + is connected to the 3710f 5 ...
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... LT3710 W BLOCK DIAGRA 3710f ...
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... V LT3710 circuit is then charged time of this buck circuit ends when the secondary voltage becomes zero. The next cycle repeats. The ideal equation for duty cycle of the LT3710 is where V OUT2 amplitude of the secondary voltage and D2 is the duty cycle of the switching node voltage V Figure 2 ...
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... CL Filtering on the SYNC Input It is necessary to add RC filtering on the SYNC input of the LT3710 to eliminate the negative glitch at the turn on of the top MOSFET. When the top MOSFET M1 turns on, the transformer secondary current instantly changes from the original first output inductor current to the sum of two ...
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... POSCAPs and OS-CON capacitors from Sanyo, T510 and T520 surface mount capacitors from Kemet. of both Design Example DSS Figure 3 shows an application example for the LT3710 dual output, high efficiency, isolated DC/DC power supply with 36V to 72V input, 3.3V/10A and 1.8V/10A S outputs. The basic power stage topology is a 2-transistor ...
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... LT3710 U U APPLICATIO S I FOR ATIO • • • 3710f ...
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... MOSFETs. The error amplifier output is fed into the optocoupler and then relayed to LT3781 on the primary side to complete the 3.3V regula- tion. The 1.8V output is generated by the LT3710 circuit. A planar transformer PA0191 built by Pulse Engineering is employed as the power transformer in this design. This ...
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... LT3710 PACKAGE DESCRIPTIO 6.60 0.10 4.50 0.10 SEE NOTE 4 RECOMMENDED SOLDER PAD LAYOUT 4.30 – 4.50* (.169 – .177) 0.09 – 0.20 (.0036 – .0079) NOTE: 1. CONTROLLING DIMENSION: MILLIMETERS 2. DIMENSIONS ARE IN 3. DRAWING NOT TO SCALE RELATED PARTS PART NUMBER DESCRIPTION LT1339 High Power Synchronous DC/DC Controller LT1425 Isolated Flyback Switching Regulator ...