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LTC3872 Datasheet(PDF) 8 Page - Linear Technology |
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LTC3872 Datasheet(HTML) 8 Page - Linear Technology |
8 / 32 page LT3759 8 3759fb BLOCK DIAGRAM M1 1.22V 1.2V 2.5V CIN CVCC INTVCC DRIVE VIN RSENSE VISENSE + IS1 2μA 10 9 8 1 12 EN/UVLO BANDGAP REFERENCE TSD ~165˚C A10 Q3 VC VC BG_LOW UVLO IS2 10μA IS3 CC1 CC2 RC DRIVER SLOPE SENSE GND GATE 50mV SR1 RAMP GENERATOR + – RQ S 2.5V RT RT SS CSS SYNC FREQ FOLDBACK 1.25V FBX PGOOD FBX Q4 1.6V –0.8V + – + – 2 6 3 5 4 + – + – 7 13 RAMP PWM COMPARATOR FREQUENCY FOLDBACK 100kHz ~ 1MHz OSCILLATOR R1 R2 L2 FBX D1 CDC VOUT COUT2 COUT1 + 3759 F01 A1 A2 1.72V –0.86V + – + – A11 A12 A3 1.25V FREQ PROG – + + Q1 A4 A5 A6 G5 G6 A7 Q2 G4 R3 R4 VIN 11 INTERNAL BIAS GENERATOR DRIVE LDO CURRENT LIMIT INTERNAL BIAS CURRENT LIMIT VIN LDO A8 + – G8 1.52V –0.76V + – + – A13 A14 G7 2.7V A15 + – G2 G1 L1 BG Figure 1. LT3759 Block Diagram Working as a SEPIC Converter |
Similar Part No. - LTC3872 |
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Similar Description - LTC3872 |
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