LM53600-Q1, LM53601-Q1
SNAS660D – JUNE 2015 – REVISED MAY 2021
LM53600/01-Q1 0.65-A/1-A, 36-V Synchronous, 2.1-MHz Autom...
LM53600-Q1, LM53601-Q1
SNAS660D – JUNE 2015 – REVISED MAY 2021
LM53600/01-Q1 0.65-A/1-A, 36-V Synchronous, 2.1-MHz Automotive Step-Down DC/DC Converter
1 Features
Qualified for automotive applications AEC-Q100 qualified with the following results:
– Device temperature grade 1: –40°C to 125°C ambient operating temperature range
– Device HBM classification level 2 – Device CDM classification level C5 –40°C to 150°C junction temperature range (available) Wide operating input voltage: 3.55 V to 36 V (with transient to 42 V) Spread spectrum option available 2.1-MHz fixed switching frequency Low quiescent current: 23 μA Shutdown current: 1.8 µA Adjustable, 3.3-V, or 5-V output Maximum current load: 650 mA for LM53600-Q1, 1000 mA for LM53601-Q1 Pin-selectable forced PWM mode RESET output with filter and delay release External frequency synchronization Internal compensation, soft start, current limit, and UVLO 10-lead, 3-mm × 3-mm SON package with wettable and non-wettable flanks
2 Applications
Automotive camera applications Automotive driver assistance systems Automotive body applications
VPU RPU
RESET
AGND
EN
FB
VSUPPLY CIN
VIN LM53600 VCC LM53601
SYNC/ MODE
BOOT
GND
SW
(DAP)
CVCC CBOOT
L1
COUT
Simplified Schematic – Fixed Output
3 Description
The LM53600-Q1 and LM53601-Q1 synchronous buck
regulator devices are optimized for automotive applications, providing an output voltage of 5 V, 3.3 V, or an adjustable output. Load current ...