LMZ34202
- Complete Integrated Power Solution Allows
Small Footprint, Low-Profile Design - 10 mm × 10 mm × 4.3 mm Package
- Wide-Output Voltage Adjust (2.5 V to 7.5 V)
- Adjustable Switching Frequency
(200 kHz to 1 MHz) - Synchronizes to an External Clock
- Automatic PFM Mode for Light Load Efficiency
- Adjustable Soft-Start Time
- Output Voltage Sequencing / Tracking
- Power Good Output
- Programmable Undervoltage Lockout (UVLO)
- Over-Temperature Thermal Shutdown Protection
- Over-Current Protection (Hiccup Mode)
- Pre-Bias Output Start-Up
- Operating Temperature Range: –40°C to 105°C
- Enhanced Thermal Performance: 14°C/W
- Meets EN55022 Class B Emissions
– Integrated Shielded Inductor - Create a Custom Design using the LMZ34202 with the WEBENCH® Power Designer
The LMZ34202 power module is an easy-to-use integrated power supply that combines a 2-A DC-DC converter with a shielded inductor and passives into a low profile, QFN package. This total power solution allows as few as three external components while maintaining an ability to adjust key parameters to meet specific design requirements.
The QFN package is easy to solder to a printed circuit board, allows reflow profiles up to 245°C, and has excellent power dissipation capability. The LMZ34202 offers flexibilty with many features and is ideal for powering a wide range of devices and systems.
技術文件
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檢視所有 6 | 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | LMZ34202 4.5-V to 42-V Input, 2-A Power Module datasheet (Rev. C) | PDF | HTML | 2018年 6月 20日 |
| Application note | Soldering Considerations for Power Modules (Rev. C) | PDF | HTML | 2024年 3月 14日 | |
| Technical article | Powering medical imaging applications with DC/DC buck converters | PDF | HTML | 2020年 11月 24日 | |
| White paper | Simplify low EMI design with power modules | 2017年 11月 20日 | ||
| White paper | Benefits and trade-offs of various power-module package options | 2017年 8月 2日 | ||
| User guide | LMZ34202 Simple Switcher® Power Module Evaluation Module | 2016年 2月 4日 |
設計與開發
如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。
開發板
LMZ34202EVM — 4.5V 至 42V、2A 降壓式電源模組評估板
The LMZ34202 evaluation board is configured to evaluate the operation of the LMZ34202 power module. The input voltage range is 4.5V to 42V. The output voltage can be selected from 5 popular voltages (2.5V, 3.3V, 5.0V, 6.0, & 7.5V) using a single jumper. The switching frequency can also be (...)
使用指南: PDF
模擬型號
LMZ34202 Non Inverting and Inverting PSpice Transient Model
SNVMAM6.ZIP (149 KB) - PSpice Model
參考設計
TIDA-00783 — 空間最佳化寬輸入電壓三路輸出電源模組參考設計
The TIDA-00783.1 reference design is a triple output wide Vin power module design. It provides 3.3V, 1.8V and 1.2V output, at 6W total power. The layout is optimized for space constrained applications.
參考設計
TIDA-01352 — 400W 連續、可擴展、±2.5 至 ±150V 可編程超音波電源參考設計
The TIDA-01352 enables modular and efficient power scaling capability by providing a solution for digitally programmable power supply for powering ultrasound transmit circuit. The design uses push-pull topology to generate high-voltage (HV) and low- (LV) or MID- voltage power supplies. The HV (...)
參考設計
TIDA-010011 — 用於保護繼電器處理器模組的高效電源供應架構參考設計
此參考設計展示各種電源架構，可為需要 >1A 負載電流和高效率的應用處理器模組產生多重電壓軌。所需的電源是使用來自背板的 5、12 或 24-V DC 輸入所產生。電源供應器是使用配備整合式 FET 的 DC-DC 轉換器，以及具尺寸整合式電感器的電源模組所產生。此設計採用 HotRod™ 封裝類型，適合需要低 EMI 的應用。此外也最適合設計時間有限的應用。其他功能包括 DDR 終端穩壓器、輸入電源 OR-ing、電壓序列、用於過載保護的 eFuse，以及電壓和負載電流監控。此設計可搭配處理器、數位訊號處理器以及現場可編程邏輯閘陣列使用。已通過輻射發射測試，符合 A 類和 B 要求的 (...)
參考設計
TIDA-00808 — 具有超低 BOM 數量的空間最佳化 DC/DC 反相電源模組參考設計
The TIDA-00808 is a simple DC/DC inverting power supply reference design for industrial applications. It takes a wide input voltage between 4.5V and 55V and generates a negative 5V @ 1.75A output with 86% peak efficiency. Since this design is inverting, the maximum output current increases as the (...)
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| B3QFN (RVQ) | 43 | Ultra Librarian |
訂購與品質
內含資訊：
- RoHS
- REACH
- 產品標記
- 鉛塗層/球物料
- MSL 等級/回焊峰值
- MTBF/FIT 估算值
- 材料內容
- 認證摘要
- 進行中持續性的可靠性監測
內含資訊：
- 晶圓廠位置
- 組裝地點