Datasheet LTC3789 (Analog Devices) - 11
| Manufacturer | Analog Devices |
| Description | High Efficiency, Synchronous, 4-Switch Buck-Boost Controller |
| Pages / Page | 30 / 11 — block DiagraM |
| File Format / Size | PDF / 543 Kb |
| Document Language | English |
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Model Line for this Datasheet
Text Version of Document
LTC3789
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INTVCC VIN BOOST1 CHARGE BOOST1 TG1 PUMP FCB IDREV VIN + SW1 BUCK LOGIC INTV CHARGE CC BOOST2 PUMP SW1 BG1 – PGND IREV + R BG2 SENSE – FCB INTV BOOST CC SW2 V LOGIC FLD TG2 ICMP + BOOST2 – OV + INTVCC + IOSENSE 1.2µA – RSENSE2 I RUN – OSENSE VOUT SHDN SLOPE + – ILIM IOS EA – – VFB + MODE/ 3µA + 0.80V SS PLLIN FIN PHASE DET 220k 10µA ITH FREQ OSCILLATOR SENSE+ SENSE– EXTVCC VIN VIN – 0.86V 4.8V + OV + EXTV PGOOD CC – 5.5V 5.5V LDO LDO REG REG VFB – 5.5V INTVCC + + INTERNAL 0.74V SGND SUPPLY 3789 BD 3789fc For more information www.linear.com/LTC3789 11 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration order information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Typical Application Related Parts
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INTVCC VIN BOOST1 CHARGE BOOST1 TG1 PUMP FCB IDREV VIN + SW1 BUCK LOGIC INTV CHARGE CC BOOST2 PUMP SW1 BG1 – PGND IREV + R BG2 SENSE – FCB INTV BOOST CC SW2 V LOGIC FLD TG2 ICMP + BOOST2 – OV + INTVCC + IOSENSE 1.2µA – RSENSE2 I RUN – OSENSE VOUT SHDN SLOPE + – ILIM IOS EA – – VFB + MODE/ 3µA + 0.80V SS PLLIN FIN PHASE DET 220k 10µA ITH FREQ OSCILLATOR SENSE+ SENSE– EXTVCC VIN VIN – 0.86V 4.8V + OV + EXTV PGOOD CC – 5.5V 5.5V LDO LDO REG REG VFB – 5.5V INTVCC + + INTERNAL 0.74V SGND SUPPLY 3789 BD 3789fc For more information www.linear.com/LTC3789 11 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration order information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Typical Application Related Parts
