Datasheet LTC3874-1 (Analog Devices) - 7
| Hersteller | Analog Devices |
| Beschreibung | PolyPhase Step-Down Synchronous Slave Controller with Sub-Milliohm DCR Sensing |
| Seiten / Seite | 22 / 7 — FuncTional block DiagraM One of Two Channels (CH0) Shown |
| Dateiformat / Größe | PDF / 1.0 Mb |
| Dokumentensprache | Englisch |
FuncTional block DiagraM One of Two Channels (CH0) Shown
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LTC3874-1
FuncTional block DiagraM One of Two Channels (CH0) Shown
10µA SYNC PHASMD EXTVCC 4.7V VIN FREQ SYNC/PHASE + – V DETECT IN + CIN PLL-SYNC OSC 5.5V REG S INTVCC R Q ICMP 5K IREV + – – + ON VCC0 REV SWITCH LOGIC UVLO AND PWM0 ILIM I FAULTB DrMOS LIM RANGE SELECT ANTI- HI: 1:1 1 5k FCNT SHOOT- + LO: 1:1.8 THROUGH COUT0 DC RUN AMP SLOPE I + SENSE0 COMPENSATION I – INTV SENSE0 CC UVLO 38741 BD 1 INTVCC 60k + – + – + – + – 1.7V REF ITH0 LOWDCR RUN0 SGND MODE0 FAULT0 38741f For more information www.linear/LTC3874-1 7 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Operation Applications Information Typical Application Related Parts
FuncTional block DiagraM One of Two Channels (CH0) Shown
10µA SYNC PHASMD EXTVCC 4.7V VIN FREQ SYNC/PHASE + – V DETECT IN + CIN PLL-SYNC OSC 5.5V REG S INTVCC R Q ICMP 5K IREV + – – + ON VCC0 REV SWITCH LOGIC UVLO AND PWM0 ILIM I FAULTB DrMOS LIM RANGE SELECT ANTI- HI: 1:1 1 5k FCNT SHOOT- + LO: 1:1.8 THROUGH COUT0 DC RUN AMP SLOPE I + SENSE0 COMPENSATION I – INTV SENSE0 CC UVLO 38741 BD 1 INTVCC 60k + – + – + – + – 1.7V REF ITH0 LOWDCR RUN0 SGND MODE0 FAULT0 38741f For more information www.linear/LTC3874-1 7 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Operation Applications Information Typical Application Related Parts