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LM76002, LM76003
SNVSAK0A – OCTOB...
Product Folder
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Technical Documents
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LM76002, LM76003
SNVSAK0A – OCTOBER 2017 – REVISED OCTOBER 2019
LM76002/LM76003 3.5-V to 60-V, 2.5-A/3.5-A Synchronous Step-Down Voltage
Regulator
1 Features
1 Integrated synchronous rectification Input voltage 3.5 V to 60 V (65 V maximum) Output current:
– LM76002: 2.5 A – LM76003: 3.5 A Output voltage 1 V to 95% VIN 15-µA Quiescent current in regulation Wide voltage conversion range – tON-MIN = 65 ns (typical) – tOFF-MIN = 95 ns (typical) System-level features – Synchronization to external clock – Power-good flag – Precision enable – Adjustable soft-start (6.3 ms default) – Voltage tracking capability Pin-selectable FPWM operation Adjustable frequency range: 300 kHz to 2.2 MHz High-efficiency at light-load architecture (PFM) Protection features – Cycle-by-cycle current limit – Short-circuit protection with hiccup mode – Overtemperature thermal shutdown protection Create a custom design using the LM76002/LM76003 with the WEBENCH® Power Designer
Simplified Schematic
VIN CIN
CVCC
PVIN BOOT
EN SW
PGND LM76003
SS/TRK BIAS RT SYNC/MODE
FB VCC
AGND
CBOOT L
VOUT COUT
RFBT RFBB
2 Applications
Telecommunications infrastructure Asset and fleet management systems Video surveillance Programmable logic controllers
3 Description
The LM76002/LM76003
regulator is an easy-to-use synchronous step-down DC-DC converter capable of driving up to 2.5 A (LM76002) or 3.5 A (...