Evaluation Board provides a solution to examine the high efficiency

文件：1.16885 Mbytes 页数：10 Pages

NSC

国半

具有可调频率的 2.95V 至 5.5V、15A 电压模式同步降压稳压器

LM21215 是一款单片同步负载点降压稳压器，能够提供高达 15A 的持续输出电流，同时以出色的效率产生低至 0.6V 的输出电压。该器件经过优化，可在 2.95V 至 5.5V 的输入电压范围内工作，因此适合各种低电压系统。电压模式控制环路可提供高噪声抗扰度、低占空比能力，并且可通过任何类型的输出电容补偿至稳定状态，从而提供最大的灵活性和易用性。\n\nLM21215 特性 内部过压保护 (OVP) 和电阻器可编程过流保护 (OCP)，可提高系统可靠性。精密使能引脚和集成 UVLO 支持对器件的开启进行严格的控制和定序。启动浪涌电流受内部固定和外部可调的软启动电路限制。借助集成电源正常状态 • 集成 7mΩ 高侧和 4.3mΩ 低侧 FET 开关\n• 可调节电流限制\n• 可调输出电压范围为 0.6V 至 VIN（支持 100% 占空比），基准为 ±1%\n• 输入电压范围为 2.95V 至 5.5V\n• 500kHz 固定开关频率 \n• 启动至预偏置负载\n• 输出电压跟踪功能\n• 高带宽电压环路误差放大器\n• 通过外部电容器进行可调软启动\n• 具有迟滞功能的精密使能引脚\n• 集成 OVP、OTP、UVLO 和电源正常状态\n• 热增强型 20 引脚 HTSSOP 外露焊盘封装\n• 使用 LM21215 并借助 WEBENCH® 电源设计器创建定;

TI

德州仪器

LM21215A 2.95-V to 5.5-V,15-A, Voltage-Mode Synchronous Buck Converter With Frequency Synchronization

1 Features 1• High-Efficiency Synchronous DC/DC Converter – Input Voltage Range of 2.95 V to 5.5 V – Adjustable Output Voltage From 0.6 V to VIN – Output Current as High as 15 A • Frequency Synchronization 300 kHz to 1.5 MHz • Integrated 7-mΩ PMOS Buck Switch Supports 100% Duty Cycle fo

文件：1.08583 Mbytes 页数：41 Pages

TI

德州仪器

丝印：LM21215AMH-1；Package：HTSSOP；LM21215A 2.95-V to 5.5-V,15-A, Voltage-Mode Synchronous Buck Converter With Frequency Synchronization

1 Features 1• High-Efficiency Synchronous DC/DC Converter – Input Voltage Range of 2.95 V to 5.5 V – Adjustable Output Voltage From 0.6 V to VIN – Output Current as High as 15 A • Frequency Synchronization 300 kHz to 1.5 MHz • Integrated 7-mΩ PMOS Buck Switch Supports 100% Duty Cycle fo

文件：1.08583 Mbytes 页数：41 Pages

TI

德州仪器

丝印：LM21215AMH-1；Package：HTSSOP；LM21215A 2.95-V to 5.5-V,15-A, Voltage-Mode Synchronous Buck Converter With Frequency Synchronization

1 Features 1• High-Efficiency Synchronous DC/DC Converter – Input Voltage Range of 2.95 V to 5.5 V – Adjustable Output Voltage From 0.6 V to VIN – Output Current as High as 15 A • Frequency Synchronization 300 kHz to 1.5 MHz • Integrated 7-mΩ PMOS Buck Switch Supports 100% Duty Cycle fo

文件：1.08583 Mbytes 页数：41 Pages

TI

德州仪器

丝印：LM21215AMH-1；Package：HTSSOP；LM21215A 2.95-V to 5.5-V,15-A, Voltage-Mode Synchronous Buck Converter With Frequency Synchronization

1 Features 1• High-Efficiency Synchronous DC/DC Converter – Input Voltage Range of 2.95 V to 5.5 V – Adjustable Output Voltage From 0.6 V to VIN – Output Current as High as 15 A • Frequency Synchronization 300 kHz to 1.5 MHz • Integrated 7-mΩ PMOS Buck Switch Supports 100% Duty Cycle fo

文件：1.08583 Mbytes 页数：41 Pages

TI

德州仪器

丝印：LM21215AMH-1；Package：HTSSOP；LM21215A 2.95-V to 5.5-V,15-A, Voltage-Mode Synchronous Buck Converter With Frequency Synchronization

1 Features 1• High-Efficiency Synchronous DC/DC Converter – Input Voltage Range of 2.95 V to 5.5 V – Adjustable Output Voltage From 0.6 V to VIN – Output Current as High as 15 A • Frequency Synchronization 300 kHz to 1.5 MHz • Integrated 7-mΩ PMOS Buck Switch Supports 100% Duty Cycle fo

文件：1.08583 Mbytes 页数：41 Pages

TI

德州仪器

丝印：LM21215AMH-1；Package：HTSSOP；LM21215A 2.95-V to 5.5-V,15-A, Voltage-Mode Synchronous Buck Converter With Frequency Synchronization

1 Features 1• High-Efficiency Synchronous DC/DC Converter – Input Voltage Range of 2.95 V to 5.5 V – Adjustable Output Voltage From 0.6 V to VIN – Output Current as High as 15 A • Frequency Synchronization 300 kHz to 1.5 MHz • Integrated 7-mΩ PMOS Buck Switch Supports 100% Duty Cycle fo

文件：1.08583 Mbytes 页数：41 Pages

TI

德州仪器

丝印：LM21215AMH-1；Package：HTSSOP；LM21215A 2.95-V to 5.5-V,15-A, Voltage-Mode Synchronous Buck Converter With Frequency Synchronization

1 Features 1• High-Efficiency Synchronous DC/DC Converter – Input Voltage Range of 2.95 V to 5.5 V – Adjustable Output Voltage From 0.6 V to VIN – Output Current as High as 15 A • Frequency Synchronization 300 kHz to 1.5 MHz • Integrated 7-mΩ PMOS Buck Switch Supports 100% Duty Cycle fo

文件：1.08583 Mbytes 页数：41 Pages

TI

德州仪器

丝印：LM21215AMH-1；Package：HTSSOP；LM21215A 2.95-V to 5.5-V,15-A, Voltage-Mode Synchronous Buck Converter With Frequency Synchronization

1 Features 1• High-Efficiency Synchronous DC/DC Converter – Input Voltage Range of 2.95 V to 5.5 V – Adjustable Output Voltage From 0.6 V to VIN – Output Current as High as 15 A • Frequency Synchronization 300 kHz to 1.5 MHz • Integrated 7-mΩ PMOS Buck Switch Supports 100% Duty Cycle fo

文件：1.08583 Mbytes 页数：41 Pages

TI

德州仪器