3.5V-36V Vin, 6A, High Efficiency Synchronous Step-down DCDC Converter, SCT2464Q Replace LM61435AAN-Q1.
SCT2464Q
SCT2464Q.pdf
SCT2464Q.pdfFEATURES
? 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 ESD Classification Level H2
- Device CDM ESD Classification Level C3B
? Wide Input Range: 3.5V-36V
? Up to 6A Continuous Output Current
? 1V ±1.5% Feedback Reference Voltage
? Integrated 30m? High-Side and 18mΩ Low-Side
Power MOSFETs
? 13uA Quiescent Current with VBIAS Connected to
an auxiliary power supply to 5V
? 60ns Minimum On-time
? 4ms Internal Soft-start Time
? Adjustable Frequency 200KHz to 1.8MHz
? External Clock Synchronization
? Frequency Spread Spectrum (FSS) Modulation for
EMI Reduction
? External bias option for improved efficiency
? Parallel input path to minimize switch node ringing
? Low Dropout Mode Operation
? Over-voltage and Over-Temperature Protection
? Available in 3.5mm*4mm QFN-14L Package
PIN CONFIGUTION
優(yōu)勢(shì)替代
FEATURES
? AEC-Q100 qualified for automotive applications
– Temperature grade 1: –40°C to +150°C, TJ
? Functional Safety-Capable
– Documentation available to aid functional safety
system design
? Optimized for ultra low EMI requirements
– Hotrod? package and parallel input path
minimize switch node ringing
– Spread spectrum reduces peak emissions
– Adjustable SW node rise time
? Designed for automotive applications
– Supports 42-V automotive load dump
– ±1% total output regulation accuracy
– VOUT adjustable from 1 V to 95% of VIN, with
factory option for 3.3-V fixed output voltage
– 0.3-V dropout with 3-A load (typical)
? High efficiency power conversion at all loads
– 7-?A no load current at 13.5 VIN, 3.3 VOUT
– 83% PFM efficiency at 1-mA, 13.5 VIN, 5 VOUT
– External bias option for improved efficiency
? Suitable for scalable power supplies
– Pin compatible with:
? LM61440-Q1 (36 V, 4 A, adjustable fSW)
? LM61460-Q1 (36 V, 6 A, adjustable fSW)
PIN CONFIGUTION
