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LT1308B Datasheet(PDF) 7 Page - Linear Technology |
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LT1308B Datasheet(HTML) 7 Page - Linear Technology |
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7 / 20 page  LT1308A/LT1308B 7 1308abfb BLOCK DIAGRAMS Figure 2a. LT1308A/LT1308B Block Diagram (SO-8 Package) Figure 2b. LT1308A/LT1308B Block Diagram (TSSOP Package) – + – + – + – + + + Σ COMPARATOR RAMP GENERATOR R BIAS VC 2VBE gm Q2 ×10 Q1 FB FB ENABLE *HYSTERESIS IN LT1308A ONLY 200mV A = 3 FF A2 A1 Q4 * ERROR AMPLIFIER A4 0.03Ω DRIVER SW GND 1308 BD2a Q3 Q S 600kHz OSCILLATOR 5 LBO LBI SHDN SHUTDOWN 3 7 1 4 R6 40k R5 40k R1 (EXTERNAL) R3 30k R4 140k 2 VIN VIN VIN VOUT 6 8 R2 (EXTERNAL) – + – + – + – + + + Σ COMPARATOR RAMP GENERATOR R BIAS VC 2VBE gm Q2 ×10 Q1 FB FB ENABLE *HYSTERESIS IN LT1308A ONLY 200mV A = 3 FF A2 A1 Q4 * ERROR AMPLIFIER A4 0.03Ω DRIVER SW GND 1308 BD2b Q3 Q S 600kHz OSCILLATOR 8 SW 9 SW LBO LBI SHDN SHUTDOWN 3 13 1 4 GND 5 GND 6 GND 7 R6 40k R5 40k R1 (EXTERNAL) R3 30k R4 140k 2 VIN VIN VIN VIN VOUT 11 12 14 R2 (EXTERNAL) 10 |
Similar Part No. - LT1308B_15 |
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Similar Description - LT1308B_15 |
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