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Silicontent Technology SCT2450Q
3.8V-36V input, 5A, adjustable frequency, high efficiency synchronous buck converter
Overview
| Topology | Buck Converter |
| Input voltage | 3.8-36 V |
| Switching frequency | 100-2200 kHz |
| Output 1 | 3.3 V / 5 A |
| IC revision | 1.0 |
Description
The EV2450Q-B-04A Evaluation Board is designed to demonstrate the capabilities of SCT2450Q high efficiency fully integrated synchronous step-down DCDC converter supporting up to 5A continuous output current from an input source from 3.8V to 36V. The SCT2450 offers adjustable switching frequency ranging from 100kHz to 2.2MHz with internal 4ms soft-start, which provides flexibility to optimize either efficiency or external component size.The SCT2450Q, adopting the peak current mode control, supports the Pulse Skipping Modulation (PSM) with typical 25uA low quiescent current which assists the converter on achieving high efficiency at light load or standby condition. The devices are available in an easy-soldering 8-pin ESOP package.This user's guide describes the characteristics, operation and the use of the EV2450Q-B-04A Evaluation Module including EVM specifications,recommended test setup, test result, schematic diagram, bill of materials, and the board layout.
Features
- Qualified for Automotive Applications
- AEC-Q100Qualified with the Following Results:
- Device Temperature Grade 1: -40°C to 125°C Ambient Operating Temperature Range
- Device HBM ESD Classification Level 2
- Device CDM ESD Classification Level C3
- Wide Input Range: 3.8V-36V
- Up to 5A Continuous Output Current
- 0.8V ±1%Feedback Reference Voltage
- Integrated 48mΩ High-Side Rdson and 23mΩ Low-Side Rdson Power MOSFETs
- 25uA Low Quiescent Current with Pulse Skipping Mode PSM at Light Load
- 100KHz to 2.2MHz Adjustable Frequency
- Low Dropout Mode Operation
- Derivable Inverting Voltage Regulator
- EMI Reduction with Frequency Spread Spectrum FSS
- Over-voltage and Over Temperature Protection
- Available in an ESOP-8 Package
Typical applications
- Automotive System
- USB Type-C Power Delivery, USB Charging, Industrial and Medical Distributed Power Supplies
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins | PCB/Cable/Panel | Modularity | Type | Wire Section | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC(mΩ) | fres(MHz) | Material | Mount | L(mm) | H(mm) | IR(A) | Working Voltage(V (AC)) | Operating Temperature | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-HCI SMT Flat Wire High Current Inductor, 2, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Pins2 | – | – | – | – | Inductance5.5 µH | Performance Rated Current12 A | Saturation Current @ 10%4.5 A | Saturation Current @ 30%12 A | DC Resistance10.3 mΩ | Self Resonant Frequency30 MHz | MaterialSuperflux | MountSMT | Length10.5 mm | Height4.7 mm | – | – | Operating Temperature -40 °C up to +150 °C | ||||
 | WR-TBL Series 2141S - 3.50 mm Horizontal Entry Modular w. Rising Cage Clamp, 2, Rising Cage Clamp | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Pins2 | PCB/Cable/PanelPCB | ModularityYes | TypeHorizontal | Wire Section 30 to 16 (AWG) 0.05 to 1.31 (mm²) | – | – | – | – | – | – | – | MountTHT | Length7 mm | – | Rated Current10 A | Working Voltage130 V (AC) | Operating Temperature -30 °C up to +120 °C | ||||
 | WR-PHD Pin Header - Single, 3, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins3 | – | – | TypeStraight | – | – | – | – | – | – | – | – | MountTHT | Length7.62 mm | – | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C |