Datasheet LTC3850-2 (Analog Devices) - 9
| 制造商 | Analog Devices |
| 描述 | Dual, 2-Phase Synchronous Step-Down Switching Controller |
| 页数 / 页 | 36 / 9 — FUNCTIONAL DIAGRAM |
| 文件格式/大小 | PDF / 417 Kb |
| 文件语言 | 英语 |
FUNCTIONAL DIAGRAM
该数据表的模型线
文件文字版本
LTC3850-2
FUNCTIONAL DIAGRAM
FREQ/PLLFLTR MODE/PLLIN EXTV V CC IN VIN 4.7V + CIN – + F 0.8V MODE/SYNC 5V DETECT REG PLL-SYNC INTV – + CC INTVCC F BOOST OSC S BURSTEN TG CB R Q FCNT M1 SW L1 ON SWITCH 3k VOUT + – LOGIC AND SENSE+ DB ANTI- ICMP IREV SHOOT – + THROUGH SENSE– + RUN COUT BG OV M2 CVCC SLOPE COMPENSATION PGND PGOOD INTVCC UVLO + 0.74V 1 SLOPE RECOVERY R2 UV V 51k ACTIVE CLAMP FB I – THB + VIN SLEEP R1 OV – 0.86V – SS + RUN – + SGND 0.8V REF 1.3μA EA – + + + – 0.64V 1.2V 0.5μA 0.55V 38502 FD C C I C1 SS TH R RUN TK/SS C 38502f 9
FUNCTIONAL DIAGRAM
FREQ/PLLFLTR MODE/PLLIN EXTV V CC IN VIN 4.7V + CIN – + F 0.8V MODE/SYNC 5V DETECT REG PLL-SYNC INTV – + CC INTVCC F BOOST OSC S BURSTEN TG CB R Q FCNT M1 SW L1 ON SWITCH 3k VOUT + – LOGIC AND SENSE+ DB ANTI- ICMP IREV SHOOT – + THROUGH SENSE– + RUN COUT BG OV M2 CVCC SLOPE COMPENSATION PGND PGOOD INTVCC UVLO + 0.74V 1 SLOPE RECOVERY R2 UV V 51k ACTIVE CLAMP FB I – THB + VIN SLEEP R1 OV – 0.86V – SS + RUN – + SGND 0.8V REF 1.3μA EA – + + + – 0.64V 1.2V 0.5μA 0.55V 38502 FD C C I C1 SS TH R RUN TK/SS C 38502f 9