Datasheet LTC3829 (Analog Devices) - 10
| Hersteller | Analog Devices |
| Beschreibung | 3-Phase, Single Output Synchronous Step-Down DC/DC Controller with Diffamp |
| Seiten / Seite | 40 / 10 — FUNCTIONAL DIAGRAM |
| Revision | E |
| Dateiformat / Größe | PDF / 960 Kb |
| Dokumentensprache | Englisch |
FUNCTIONAL DIAGRAM
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LTC3829
FUNCTIONAL DIAGRAM
MODE PLLIN ITEMP EXTVCC 4.7V FREQ TEMPSNS – + VIN F V MODE/SYNC 0.6V IN + DETECT CIN – + 5V REG F INTVCC PLL-SYNC INTVCC BOOST BURSTEN CLKOUT TG CB OSC FCNT M1 S SW ON R Q SENSE+ DB 3k SWITCH + – LOGIC AND L1 SENSE– ICOMP IREV ANTISHOOT- VOUT – + THROUGH + IFAST BG RUN M2 COUT IFAST OV PGND CVCC ILIM PGOOD SLOPE RAVP COMPENSATION DIFFOUT 40k + 0.54V + DIFFP INTVCC UVLO UV V R2 DIFFAMP FB 40k 1 – – 51k SLOPE RECOVERY ITHB ACTIVE CLAMP SHED + DIFFN COMP 40k 40k R1 SLEEP OV – ISET ISET 0.66V V R IN – SGND PRE-AVP + SENSE1+ SS + – RUN + 1.25µA – SENSE1– EA + SENSE2+ 0.6V – + + + – – SENSE2– REF 0.5V 1.22V AVP + SENSE3+ – SENSE3– 3829 BD 0.55V 1.0µA ISET ISET ITH C R C1 RUN TK/SS CSS C Rev. E 10 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Application Package Description Revision History Typical Application Related Parts
FUNCTIONAL DIAGRAM
MODE PLLIN ITEMP EXTVCC 4.7V FREQ TEMPSNS – + VIN F V MODE/SYNC 0.6V IN + DETECT CIN – + 5V REG F INTVCC PLL-SYNC INTVCC BOOST BURSTEN CLKOUT TG CB OSC FCNT M1 S SW ON R Q SENSE+ DB 3k SWITCH + – LOGIC AND L1 SENSE– ICOMP IREV ANTISHOOT- VOUT – + THROUGH + IFAST BG RUN M2 COUT IFAST OV PGND CVCC ILIM PGOOD SLOPE RAVP COMPENSATION DIFFOUT 40k + 0.54V + DIFFP INTVCC UVLO UV V R2 DIFFAMP FB 40k 1 – – 51k SLOPE RECOVERY ITHB ACTIVE CLAMP SHED + DIFFN COMP 40k 40k R1 SLEEP OV – ISET ISET 0.66V V R IN – SGND PRE-AVP + SENSE1+ SS + – RUN + 1.25µA – SENSE1– EA + SENSE2+ 0.6V – + + + – – SENSE2– REF 0.5V 1.22V AVP + SENSE3+ – SENSE3– 3829 BD 0.55V 1.0µA ISET ISET ITH C R C1 RUN TK/SS CSS C Rev. E 10 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Application Package Description Revision History Typical Application Related Parts