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AC/DC 和 DC/DC 轉換器 (整合式 FET)

LM5180

現行

具有 100V、1.5A 整合式 MOSFET 的 65VIN 無光耦返馳式轉換器

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產品規格表

LM5180

現行
產品規格表 立即訂購

產品詳細資料

Rating Catalog Operating temperature range (°C) -40 to 150 TI functional safety category Functional Safety-Capable Topology PSR flyback Type Converter (Integrated Switch) Iout (max) (A) 1.5 Vin (min) (V) 4.5 Vin (max) (V) 65 Switching frequency (min) (kHz) 12 Switching frequency (max) (kHz) 350 Features Enable, Integrated Switch, Light load efficiency, Pre-bias soft start, UVLO adjustable Control mode Peak current mode Duty cycle (max) (%) 82 Switch current limit (typ) (A) 1.5
Rating Catalog Operating temperature range (°C) -40 to 150 TI functional safety category Functional Safety-Capable Topology PSR flyback Type Converter (Integrated Switch) Iout (max) (A) 1.5 Vin (min) (V) 4.5 Vin (max) (V) 65 Switching frequency (min) (kHz) 12 Switching frequency (max) (kHz) 350 Features Enable, Integrated Switch, Light load efficiency, Pre-bias soft start, UVLO adjustable Control mode Peak current mode Duty cycle (max) (%) 82 Switch current limit (typ) (A) 1.5
WSON (NGU) 8 16 mm² 4 x 4
  • Designed for reliable and rugged applications
    • Wide input voltage range of 4.5 V to 65 V with operation down to 3.5 V after start-up
    • Robust solution with only one component crossing the isolation barrier
    • ±1.5% total output regulation accuracy
    • Optional VOUT temperature compensation
    • 6-ms internal or programmable soft start
    • Input UVLO and thermal shutdown protection
    • Hiccup-mode overcurrent fault protection
    • –40°C to +150°C junction temperature range
  • Integration reduces solution size and cost
    • Integrated 100-V, 0.4-Ω power MOSFET
    • No opto-coupler or transformer auxiliary winding required for VOUT regulation
    • Internal loop compensation
  • High-efficiency PSR flyback operation
    • Quasi-resonant MOSFET turn-off in BCM
    • Low input quiescent current
    • External bias option for improved efficiency
    • Single- and multi-output implementations
  • Ultra-low conducted and radiated EMI signatures
    • Soft switching avoids diode reverse recovery
    • Optimized for CISPR 32 EMI requirements
  • Create a custom regulator design using WEBENCH® Power Designer
  • Designed for reliable and rugged applications
    • Wide input voltage range of 4.5 V to 65 V with operation down to 3.5 V after start-up
    • Robust solution with only one component crossing the isolation barrier
    • ±1.5% total output regulation accuracy
    • Optional VOUT temperature compensation
    • 6-ms internal or programmable soft start
    • Input UVLO and thermal shutdown protection
    • Hiccup-mode overcurrent fault protection
    • –40°C to +150°C junction temperature range
  • Integration reduces solution size and cost
    • Integrated 100-V, 0.4-Ω power MOSFET
    • No opto-coupler or transformer auxiliary winding required for VOUT regulation
    • Internal loop compensation
  • High-efficiency PSR flyback operation
    • Quasi-resonant MOSFET turn-off in BCM
    • Low input quiescent current
    • External bias option for improved efficiency
    • Single- and multi-output implementations
  • Ultra-low conducted and radiated EMI signatures
    • Soft switching avoids diode reverse recovery
    • Optimized for CISPR 32 EMI requirements
  • Create a custom regulator design using WEBENCH® Power Designer

The LM5180 is a primary-side regulated (PSR) flyback converter with high efficiency over a wide input voltage range of 4.5 V to 65 V. The isolated output voltage is sampled from the primary-side flyback voltage, eliminating the need for an optocoupler, voltage reference, or third winding from the transformer for output voltage regulation.

The high level of integration results in a simple, reliable and high-density design with only one component crossing the isolation barrier. Boundary conduction mode (BCM) switching enables a compact magnetic solution and better than ±1.5% load and line regulation performance. An integrated 100-V power MOSFET provides output power up to 7 W with enhanced headroom for line transients.

The LM5180 flyback converter is available in a 8-pin, 4-mm × 4-mm, thermally-enhanced WSON package with 0.8-mm pin pitch.

The LM5180 flyback converter simplifies implementation of isolated DC/DC supplies with optional features to optimize performance for the target end equipment. The output voltage is set by one resistor, while an optional resistor improves output voltage accuracy by negating the thermal coefficient of the flyback diode voltage drop. Additional features include an internally-fixed or externally-programmable soft start, optional bias supply connection for higher efficiency, precision enable input with hysteresis for adjustable line UVLO, hiccup-mode overload protection, and thermal shutdown protection with automatic recovery.

The LM5180 is a primary-side regulated (PSR) flyback converter with high efficiency over a wide input voltage range of 4.5 V to 65 V. The isolated output voltage is sampled from the primary-side flyback voltage, eliminating the need for an optocoupler, voltage reference, or third winding from the transformer for output voltage regulation.

The high level of integration results in a simple, reliable and high-density design with only one component crossing the isolation barrier. Boundary conduction mode (BCM) switching enables a compact magnetic solution and better than ±1.5% load and line regulation performance. An integrated 100-V power MOSFET provides output power up to 7 W with enhanced headroom for line transients.

The LM5180 flyback converter is available in a 8-pin, 4-mm × 4-mm, thermally-enhanced WSON package with 0.8-mm pin pitch.

The LM5180 flyback converter simplifies implementation of isolated DC/DC supplies with optional features to optimize performance for the target end equipment. The output voltage is set by one resistor, while an optional resistor improves output voltage accuracy by negating the thermal coefficient of the flyback diode voltage drop. Additional features include an internally-fixed or externally-programmable soft start, optional bias supply connection for higher efficiency, precision enable input with hysteresis for adjustable line UVLO, hiccup-mode overload protection, and thermal shutdown protection with automatic recovery.
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類型 標題 日期
* Data sheet LM5180 65-VIN PSR Flyback DC/DC Converter with 100-V, 1.5-A Integrated Power MOSFET datasheet (Rev. D) PDF | HTML 2019年 9月 18日
Product overview Isolated Power Topologies for PLC I/O Modules and Other Low-Power Applications (Rev. A) PDF | HTML 2024年 8月 20日
Application note Static Magnet Power Supply Design for Magnetic Resonance Imaging Application PDF | HTML 2024年 1月 22日
Technical article Mitigating CMTI on a PSR flyback for SiC-based traction inverter designs PDF | HTML 2024年 1月 5日
Analog Design Journal Why use PSR‐flyback isolated converters in dual‐battery mHEV systems (Rev. A) PDF | HTML 2023年 5月 25日
Application note Designing High Voltage Power Supply for Ultrasound Smart Probes (Rev. A) PDF | HTML 2023年 5月 16日
Analog Design Journal Selecting output caps to optimize ripple and stability in PSR flyback converters (Rev. B) PDF | HTML 2023年 5月 4日
Application note LM5181 Bipolar + and - 18 V Output Design for Signal Chains in PLC Applications PDF | HTML 2021年 10月 29日
Application note LM5180 EMI Performance PDF | HTML 2021年 4月 4日
Application note Topology Selection for Isolated Power Supplies in Patient Monitor (Rev. A) PDF | HTML 2020年 9月 2日
Functional safety information LMx518x-Q1 Functional Safety FIT Rate and Failure Mode Distribution (Rev. A) PDF | HTML 2020年 6月 26日
Technical article How to raise regulation performance with a stacked-output PSR flyback DC/DC conver PDF | HTML 2020年 6月 2日
Analog Design Journal How an auxless PSR-flyback converter can increase PLC reliability and density 2019年 9月 30日
EVM User's guide LM5180-Q1 Dual-Output EVM User's Guide (Rev. B) 2019年 7月 18日
EVM User's guide LM5180-Q1 Single-Output EVM User's Guide (Rev. D) 2019年 7月 18日
Application brief Powering Drones With a Wide VIN DC-DC Converter (Rev. A) 2019年 2月 5日
White paper An overview of radiated EMI specifications for power supplies 2018年 6月 5日
White paper An overview of conducted EMI specifications for power supplies 2018年 2月 1日
Application brief PSR Flyback DC/DC Converter Transformer Design for mHEV Applications 2017年 11月 13日
Application note Seminar 900 Topic 2 - Snubber Circuits: Theory, Design and Application 2001年 2月 15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

LM5180EVM-DUAL — 寬 VIN PSR 返馳式轉換器雙輸出評估模組

The LM5180EVM-DUAL evaluation module (EVM) is designed to showcase the performance of the LM5180 PSR flyback converter with wide input voltage range. The design is packaged in a miniature footprint with low component count. It operates over a wide input voltage range of 10 V to 65 V to deliver a (...)
使用指南: PDF
TI.com 無法提供
開發板

LM5180EVM-S05 — 寬 VIN PSR 返馳式轉換器單輸出評估模組

The LM5180EVM-S05 evaluation module (EVM) is designed to showcase the performance of the LM5180 PSR flyback converter with wide input voltage range. The design is packaged in a miniature footprint with low component count. It operates over a wide input voltage range of 10 V to 65 V to deliver a (...)
使用指南: PDF
TI.com 無法提供
模擬型號

LM5180-Q1 PSpice Transient Model

SNVMBL6.ZIP (183 KB) - PSpice Model
下載
模擬型號

LM5180-Q1 TINA-TI Dual Startup 15Vout1 and -8Vout2 Transient Model

SNVMBX0.TSC (1352 KB) - TINA-TI Reference Design
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模擬型號

LM5180-Q1 TINA-TI Dual Startup 24Vout1 and 5Vout2 Transient Model

SNVMBX1.TSC (1345 KB) - TINA-TI Reference Design
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模擬型號

LM5180-Q1 TINA-TI Startup Transient Model

SNVMBW8.TSC (1102 KB) - TINA-TI Reference Design
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模擬型號

LM5180-Q1 TINA-TI Steady State Transient Model

SNVMBW9.TSC (1100 KB) - TINA-TI Reference Design
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計算工具

LM5180DESIGN-CALC — LM5180 Quickstart Design Tool

Welcome to the LM5180 quickstart design tool. This standalone tool facilitates and assists the power supply engineer with the design of a DC/DC flyback regulator based on the LM5180 PSR flyback converter. As such, the user can expeditiously arrive at an optimized design to meet the application (...)
支援產品和硬體

支援產品和硬體

產品
AC/DC 和 DC/DC 轉換器 (整合式 FET)
LM5180 — 具有 100V、1.5A 整合式 MOSFET 的 65VIN 無光耦返馳式轉換器 LM5180-Q1 — 具有 100V、1.5A 整合式 MOSFET 的車用 65VIN 無光耦返馳式轉換器
硬體開發
開發板
LM5180EVM-DUAL — 寬 VIN PSR 返馳式轉換器雙輸出評估模組 LM5180EVM-S05 — 寬 VIN PSR 返馳式轉換器單輸出評估模組
軟體
計算工具
LM5180DESIGN-CALC — LM5180 PSR 返馳式轉換器設計工具
下載
PCB 佈局

LM5180EVM-S05 PCB Layout Files

SNVC233.ZIP (1903 KB)
下載
PCB 佈局

LM5180EVM-DUAL PCB Layout Files

SNVR472.ZIP (3416 KB)
下載
參考設計

TIDA-010006 — 具備整合式交換器 PSR 返馳控制器的隔離式 IGBT 閘極驅動電源參考設計

This reference design provides isolated positive and negative voltage rails for Insulated  Gate Bipolar Transistor (IGBT) gate drivers from a 24-V DC input supply. It uses a flyback power supply topology to generate four pairs of 15-V and –5-V outputs suitable for powering six IGBT gate (...)
Design guide: PDF
電路圖: PDF
參考設計

TIDA-010048 — 通道轉通道隔離式類比輸入模組參考設計

This reference design is a four channel-to-channel, isolated 4–20 mA, current-loop analog input module. The design includes a short circuit, overcurrent, and overvoltage limit function for condition monitoring sensor and module applications. The major features of this analog input module (...)
Design guide: PDF
電路圖: PDF
參考設計

PMP31261 — 大範圍 VIN PSR 返馳式轉換器雙輸出評估模組

一次側穩壓 (PSR) 返馳式轉換器參考設計提供雙輸出 (在 170 mA 時為 12 V，在 60 mA 時為 18 V)。此設計的外型精巧，元件計數低。可在 8 V 至 28 V 輸入電壓範圍內運作，提供兩椑種隔離輸出。LM5180 無需附屬線圈或光耦合器運作，可提供極精準的輸出電壓穩壓。LM5180 提供數項防護功能，可確保穩壓器在發生故障時提供防護。
Test report: PDF
參考設計

PMP30817 — 具有雙輸出的 10-VDC 至 30-VDC 輸入 PSR 返馳式轉換器參考設計

此參考設計提供來自 DC 輸入電源 (10 V - 30 V) 的兩個隔離電壓 (200 mA 時為 6 V，200 mA 時為 12 V)。可透過零歐姆電阻器配置靈活的變壓器，以改變更改匝比和輸出電壓，且無需改變任何配置。此轉換器可實現具高密度及低元件數量的隔離式 DC/DC 解決方案。無需輔助變壓器繞組，並整合 100-V 額定一次側開關。
使用指南: PDF
電路圖: PDF
參考設計

TIDA-010081 — 用於 5G 電信整流器的 >95% 效率、1 kW 類比控制 AC/DC 參考設計

This compact, high efficiency reference design with a 54-V DC, 1000-W output targets 5G telecom power and industrial AC/DC power supplies. The circuit consists of a front-end continuous conduction mode (CCM) power factor correction (PFC) circuit based on the UCC28180, followed by a robust LLC (...)
Design guide: PDF
電路圖: PDF
參考設計

PMP30629 — 具備整合式交換器 PSR 返馳轉換器的隔離式 2.5-W SiC & IGBT閘極驅動電源參考設計

This reference design provides two isolated voltages from a 24-V DC input supply. By means of zero ohm resistors, it is possible to configure the two independent outputs as +15 V and +4 V, or +15 V and -4 V with common ground with a total power of 2.5 W. The integration of a 100-V rated (...)
Test report: PDF
電路圖: PDF
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WSON (NGU) 8 Ultra Librarian
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