Datasheet LTC3407-3 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | Dual Synchronous, 1.8V/0.8A and 3.3V/0.8A 2.25MHz Step-Down DC/DC Regulator |
| 页数 / 页 | 16 / 6 — BLOCK DIAGRAM |
| 文件格式/大小 | PDF / 269 Kb |
| 文件语言 | 英语 |
BLOCK DIAGRAM
该数据表的模型线
文件文字版本
LTC3407-3
BLOCK DIAGRAM
REGULATOR 1 MODE/SYNC 6 BURST CLAMP VIN SLOPE COMP – EN V 1 0.6V + OUT1 I SLEEP – + TH 5Ω R1 EA I V COMP FB – 0.65V + BURST R3 S Q RS LATCH R Q 0.55V – SWITCHING UV UVDET LOGIC AND + BLANKING ANTI CIRCUIT SHOOT- THRU 4 SW1 + OV OVDET 0.65V – + IRCMP SHUTDOWN – 11 GND VIN 3 V PGOOD1 IN 8 POR RUN1 2 POR 0.6V REF OSC COUNTER RUN2 9 OSC 5 GND PGOOD2 REGULATOR 2 (IDENTICAL TO REGULATOR 1) R1 = 240k, R3 = 120k FOR CHANNEL 1 V 10 R1 = 270k, R2 = 60k FOR CHANNEL 2 7 SW2 OUT2 34073 BD 34073fb 6
BLOCK DIAGRAM
REGULATOR 1 MODE/SYNC 6 BURST CLAMP VIN SLOPE COMP – EN V 1 0.6V + OUT1 I SLEEP – + TH 5Ω R1 EA I V COMP FB – 0.65V + BURST R3 S Q RS LATCH R Q 0.55V – SWITCHING UV UVDET LOGIC AND + BLANKING ANTI CIRCUIT SHOOT- THRU 4 SW1 + OV OVDET 0.65V – + IRCMP SHUTDOWN – 11 GND VIN 3 V PGOOD1 IN 8 POR RUN1 2 POR 0.6V REF OSC COUNTER RUN2 9 OSC 5 GND PGOOD2 REGULATOR 2 (IDENTICAL TO REGULATOR 1) R1 = 240k, R3 = 120k FOR CHANNEL 1 V 10 R1 = 270k, R2 = 60k FOR CHANNEL 2 7 SW2 OUT2 34073 BD 34073fb 6