Datasheet LTC3548-1 (Analog Devices) - 6
| Manufacturer | Analog Devices |
| Description | Dual Synchronous, Fixed Output 2.25MHz Step-Down DC/DC Regulator |
| Pages / Page | 16 / 6 — BLOCK DIAGRAM |
| File Format / Size | PDF / 332 Kb |
| Document Language | English |
BLOCK DIAGRAM
Model Line for this Datasheet
Text Version of Document
LTC3548-1
BLOCK DIAGRAM
REGULATOR 1 VIN BURST CLAMP VIN SLOPE COMP – EN 0.6V + I SLEEP – + TH BURST 5Ω EA ICOMP – 0.35V + V 2 OUT1 V S Q R1 FB RS LATCH VFB1 1 R Q R3 0.55V – SWITCHING UV UVDET LOGIC AND + BLANKING ANTI CIRCUIT SHOOT- THRU 4 SW1 + OV OVDET 0.65V – + IRCMP SHUTDOWN – 11 GND VIN 3 VIN RUN1 8 0.6V REF OSC RUN2 6 OSC 5 GND REGULATOR 2 (IDENTICAL TO REGULATOR 1) V 9 OUT2 R1 = 240k, R3 = 120k FOR REGULATOR 1 7 R1 = 195k, R3 = 120k FOR REGULATOR 2 SW2 V 10 FB2 3548-1 BD 35481fc 6
BLOCK DIAGRAM
REGULATOR 1 VIN BURST CLAMP VIN SLOPE COMP – EN 0.6V + I SLEEP – + TH BURST 5Ω EA ICOMP – 0.35V + V 2 OUT1 V S Q R1 FB RS LATCH VFB1 1 R Q R3 0.55V – SWITCHING UV UVDET LOGIC AND + BLANKING ANTI CIRCUIT SHOOT- THRU 4 SW1 + OV OVDET 0.65V – + IRCMP SHUTDOWN – 11 GND VIN 3 VIN RUN1 8 0.6V REF OSC RUN2 6 OSC 5 GND REGULATOR 2 (IDENTICAL TO REGULATOR 1) V 9 OUT2 R1 = 240k, R3 = 120k FOR REGULATOR 1 7 R1 = 195k, R3 = 120k FOR REGULATOR 2 SW2 V 10 FB2 3548-1 BD 35481fc 6
