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LM43603-Q1
- Qualified for Automotive Applications
- AEC-Q100 Qualified With the Following Results:
- Device Temperature Grade 1: –40°C to +125°C Operating Junction Temperature
- 27-µA Quiescent Current in Regulation
- High Efficiency at Light Load (DCM and PFM)
- Meets EN55022/CISPR 22 EMI Standards
- Integrated Synchronous Rectification
- Adjustable Frequency Range: 200 kHz to 2.2 MHz (500 kHz default)
- Frequency Synchronization to External Clock
- Internal Compensation
- Stable With Almost any Combination of Ceramic, Polymer, Tantalum, and Aluminum Capacitors
- Power-Good Flag
- Soft Start into a Pre-Biased Load
- Internal Soft Start: 4.1 ms
- Extendable Soft-Start Time by External Capacitor
- Output Voltage Tracking Capability
- Precision Enable to a Program System UVLO
- Output Short Circuit Protection with Hiccup Mode
- Overtemperature Thermal Shutdown Protection
- Create a Custom Design Using the LM43603-Q1 With the WEBENCH® Power Designer
The LM43603-Q1 regulator is an easy-to-use synchronous step-down DC-DC converter capable of driving up to 3 A of load current from an input voltage ranging from 3.5 V to 36 V (42 V absolute maximum). The LM43603-Q1 provides exceptional efficiency, output accuracy, and dropout voltage in a very small solution size. An extended family is available in 0.5-A, 1-A, and 2-A load current options in pin-to-pin compatible packages. Peak current mode control is employed to achieve simple control loop compensation and cycle-by-cycle current limiting. Optional features such as programmable switching frequency, synchronization, power-good flag, precision enable, internal soft-start, extendable soft start, and tracking provide a flexible and easy to use platform for a wide range of applications. Discontinuous conduction and automatic frequency modulation at light loads improve light load efficiency. The family requires few external components and pin arrangement allows simple, optimum PCB layout. Protection features include thermal shutdown, VCC undervoltage lockout, cycle-by-cycle current limit, and output short circuit protection. The LM43603-Q1 device is available in the HTSSOP (PWP) 16-pin leaded package (6.6 mm × 5.1 mm × 1.2 mm). The LM43603A-Q1 version is optimized for PFM operation and recommended for new design. The device is pin-to-pin compatible with LM4360x and LM4600x family.
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LM43603PWPEVM — LM43603PWP 同期整流・降圧コンバータ評価モジュール
The LM43603PWPEVM evaluation module (EVM) is a fully assembled and tested circuit for evaluating the LM43603PWP synchronous step-down converter. The EVM operates from an 3.5V to 36V input and provides a 3.3V output at 3A.
LM43603 Non-Inverting and Inverting PSpice Transient Model (Rev. A)
LM43603 Non-Inverting and Inverting Unencrypted PSpice Transient Model (Rev. A)
LM43603 TINA-TI Transient Reference Design
パッケージ | ピン数 | CAD シンボル、フットプリント、および 3D モデル |
---|---|---|
HTSSOP (PWP) | 16 | Ultra Librarian |
購入と品質
- RoHS
- REACH
- デバイスのマーキング
- リード端子の仕上げ / ボールの原材料
- MSL 定格 / ピーク リフロー
- MTBF/FIT 推定値
- 使用原材料
- 認定試験結果
- 継続的な信頼性モニタ試験結果
- ファブの拠点
- 組み立てを実施した拠点