3.6V-36V Vin, 3.5A, High Efficiency Synchronous Step-down DCDC Converter, SCT2434AQ P2P LMR33630AQRNX.
SCT2434AQ
SCT2434AQ.pdf
SCT2434AQ.pdfFEATURES
• AEC-Q100 Qualified with the Following Results:
- Device Temperature Grade 1: -40°C to 125°C
Ambient Operating Temperature Range
- Device HBM ESD Classification Level H2
- Device CDM ESD Classification Level C3B
• Wide Input Range: 3.6V-36V
• Up to 3.5A Continuous Output Current
• 1V ±1% Feedback Reference Voltage
• Integrated 60mΩ High-Side and 36mΩ Low-Side
Power MOSFETs
• Pulse Skipping Mode (PSM) with 25uA Quiescent
Current in Sleep Mode
• 60ns Minimum On-time
• 4ms Internal Soft-start Time
• 400kHz Switching Frequency
• Frequency Spread Spectrum (FSS) Modulation for
EMI Reduction
• Precision Enable Threshold for adjustable Input
Voltage Under-Voltage Lock Out Protection
(UVLO) Threshold and Hysteresis
• Parallel input path to minimize switch node ringing
• Low Dropout Mode Operation
• Over-voltage and Over-Temperature Protection
• Available in 2mm*3mm QFN-12L Package
PIN CONFIGUTION
CROSS
FEATURES
• AEC-Q100 qualified for automotive applications:
– Temperature grade 1: –40°C to +125°C, TA
• Functional Safety-Capable
– Documentation available to aid functional safety
system design
• Configured for rugged automotive applications
– Input voltage range: 3.8 V to 36 V
– Output voltage range: 1 V to 24 V
– Output current: 3 A
– 75-mΩ/50-mΩ RDS-ON power MOSFETs
– Peak-current-mode control
– Short minimum on-time of 68 ns
– Frequency: 400 kHz, 1.4 MHz, 2.1 MHz
– Integrated compensation network
• Low EMI and switching noise
– HotRod™ package
– Parallel input current paths
• High power conversion at all loads
– Peak efficiency > 95%
– Low shutdown quiescent current of 5 µA
– Low operating quiescent current of 25 µA
• Create a custom design using the LMR33630-Q1
with the WEBENCH® Power Designer
PIN CONFIGUTION
