Datasheet LTC1877 (Analog Devices) - 7
| Manufacturer | Analog Devices |
| Description | High Efficiency Monolithic Synchronous Step-Down Regulator |
| Pages / Page | 18 / 7 — FUNCTIONAL DIAGRAM |
| File Format / Size | PDF / 246 Kb |
| Document Language | English |
FUNCTIONAL DIAGRAM
Model Line for this Datasheet
Text Version of Document
LTC1877
FUNCTIONAL DIAGRAM
VIN BURST Y = “0” ONLY WHEN X IS A CONSTANT “1” Y DEFEAT X PLL LPF 8 SLOPE SYNC/MODE COMP 7 0.8V VCO OSC 0.6V – FREQ 6 VIN 3 + SHIFT – VFB EN + – SLEEP V + REF 6Ω 0.8V 0.55V + – + I – EA COMP BURST VIN SLEEP 7 S Q gm = 0.5m VIN R Q SWITCHING V 2 ITH RS LATCH IN LOGIC AND ANTI SHOOT- RUN BLANKING CIRCUIT THRU 5 SW 1 0.8V REF – OVDET 0.85V + + SHUTDOWN IRCMP– 4 GND 1877 BD 1877fb 7
FUNCTIONAL DIAGRAM
VIN BURST Y = “0” ONLY WHEN X IS A CONSTANT “1” Y DEFEAT X PLL LPF 8 SLOPE SYNC/MODE COMP 7 0.8V VCO OSC 0.6V – FREQ 6 VIN 3 + SHIFT – VFB EN + – SLEEP V + REF 6Ω 0.8V 0.55V + – + I – EA COMP BURST VIN SLEEP 7 S Q gm = 0.5m VIN R Q SWITCHING V 2 ITH RS LATCH IN LOGIC AND ANTI SHOOT- RUN BLANKING CIRCUIT THRU 5 SW 1 0.8V REF – OVDET 0.85V + + SHUTDOWN IRCMP– 4 GND 1877 BD 1877fb 7
