丝印：LM26420XMH；Package：HTSSOP；LM26420 Dual 2-A, High-Efficiency Synchronous DC/DC Converter

1 Features 1• Compliant with CISPR25 Class 5 Conducted Emissions • Input Voltage Range of 3 V to 5.5 V • Output Voltage Range of 0.8 V to 4.5 V • 2-A Output Current per Regulator • High Switching Frequency: 2.2 MHz (LM26420X) 0.55 MHz (LM26420Y) • 0.8 V, 1.5% Internal Voltage Reference

文件：1.23919 Mbytes 页数：48 Pages

TI

德州仪器

丝印：LM26420YMH；Package：HTSSOP；LM26420 Dual 2-A, High-Efficiency Synchronous DC/DC Converter

1 Features 1• Compliant with CISPR25 Class 5 Conducted Emissions • Input Voltage Range of 3 V to 5.5 V • Output Voltage Range of 0.8 V to 4.5 V • 2-A Output Current per Regulator • High Switching Frequency: 2.2 MHz (LM26420X) 0.55 MHz (LM26420Y) • 0.8 V, 1.5% Internal Voltage Reference

文件：1.23919 Mbytes 页数：48 Pages

TI

德州仪器

丝印：LM26420YMH；Package：HTSSOP；LM26420 Dual 2-A, High-Efficiency Synchronous DC/DC Converter

1 Features 1• Compliant with CISPR25 Class 5 Conducted Emissions • Input Voltage Range of 3 V to 5.5 V • Output Voltage Range of 0.8 V to 4.5 V • 2-A Output Current per Regulator • High Switching Frequency: 2.2 MHz (LM26420X) 0.55 MHz (LM26420Y) • 0.8 V, 1.5% Internal Voltage Reference

文件：1.23919 Mbytes 页数：48 Pages

TI

德州仪器

丝印：LM26420YMH；Package：HTSSOP；LM26420 Dual 2-A, High-Efficiency Synchronous DC/DC Converter

1 Features 1• Compliant with CISPR25 Class 5 Conducted Emissions • Input Voltage Range of 3 V to 5.5 V • Output Voltage Range of 0.8 V to 4.5 V • 2-A Output Current per Regulator • High Switching Frequency: 2.2 MHz (LM26420X) 0.55 MHz (LM26420Y) • 0.8 V, 1.5% Internal Voltage Reference

文件：1.23919 Mbytes 页数：48 Pages

TI

德州仪器

丝印：LM26420YMH；Package：HTSSOP；LM26420 Dual 2-A, High-Efficiency Synchronous DC/DC Converter

1 Features 1• Compliant with CISPR25 Class 5 Conducted Emissions • Input Voltage Range of 3 V to 5.5 V • Output Voltage Range of 0.8 V to 4.5 V • 2-A Output Current per Regulator • High Switching Frequency: 2.2 MHz (LM26420X) 0.55 MHz (LM26420Y) • 0.8 V, 1.5% Internal Voltage Reference

文件：1.23919 Mbytes 页数：48 Pages

TI

德州仪器

丝印：LM26420YMH；Package：HTSSOP；LM26420 Dual 2-A, High-Efficiency Synchronous DC/DC Converter

1 Features 1• Compliant with CISPR25 Class 5 Conducted Emissions • Input Voltage Range of 3 V to 5.5 V • Output Voltage Range of 0.8 V to 4.5 V • 2-A Output Current per Regulator • High Switching Frequency: 2.2 MHz (LM26420X) 0.55 MHz (LM26420Y) • 0.8 V, 1.5% Internal Voltage Reference

文件：1.23919 Mbytes 页数：48 Pages

TI

德州仪器

丝印：LM26420YMH；Package：HTSSOP；LM26420 Dual 2-A, High-Efficiency Synchronous DC/DC Converter

1 Features 1• Compliant with CISPR25 Class 5 Conducted Emissions • Input Voltage Range of 3 V to 5.5 V • Output Voltage Range of 0.8 V to 4.5 V • 2-A Output Current per Regulator • High Switching Frequency: 2.2 MHz (LM26420X) 0.55 MHz (LM26420Y) • 0.8 V, 1.5% Internal Voltage Reference

文件：1.23919 Mbytes 页数：48 Pages

TI

德州仪器

丝印：LM26420YMH；Package：HTSSOP；LM26420 Dual 2-A, High-Efficiency Synchronous DC/DC Converter

1 Features 1• Compliant with CISPR25 Class 5 Conducted Emissions • Input Voltage Range of 3 V to 5.5 V • Output Voltage Range of 0.8 V to 4.5 V • 2-A Output Current per Regulator • High Switching Frequency: 2.2 MHz (LM26420X) 0.55 MHz (LM26420Y) • 0.8 V, 1.5% Internal Voltage Reference

文件：1.23919 Mbytes 页数：48 Pages

TI

德州仪器

丝印：LM26420YMH；Package：HTSSOP；LM26420 Dual 2-A, High-Efficiency Synchronous DC/DC Converter

1 Features 1• Compliant with CISPR25 Class 5 Conducted Emissions • Input Voltage Range of 3 V to 5.5 V • Output Voltage Range of 0.8 V to 4.5 V • 2-A Output Current per Regulator • High Switching Frequency: 2.2 MHz (LM26420X) 0.55 MHz (LM26420Y) • 0.8 V, 1.5% Internal Voltage Reference

文件：1.23919 Mbytes 页数：48 Pages

TI

德州仪器

双路 2A 高效同步直流/直流转换器

LM26420 稳压器是一款单片高效双路 PWM 降压直流/直流转换器。该器件可使用一流的 BICMOS 技术通过内部 75mΩ PMOS 顶部开关和内部 50mΩ NMOS 底部开关驱动两个 2A 负载，实现最佳的功率密度。世界级控制电路可实现低至 30ns 的接通时间，从而在整个 3V 至 5.5V 输入工作范围内支持低至 0.8V 的最小输出电压的出色高频转换。 \n\n尽管运行频率很高，但仍可以轻松实现高达 93% 的效率。具备外部关断功能，因此具有超低的待机电流。LM26420 可利用电流模式控制和内部补偿在各种运行条件下提供高性能调节。 • 符合 CISPR25 5 类传导发射标准\n• 输入电压范围：3V 至 5.5V\n• 输出电压范围：0.8V 至 4.5V \n• 每稳压器 2A 输出电流\n• 高开关频率：2.2MHz (LM26420X)    0.55MHz (LM26420Y)\n• 0.8V 1.5% 内部电压基准 \n• 内部软启动\n• 针对每个输出的独立电源正常和精密使能功能\n• 电流模式、PWM 运行\n• 热关断\n• 过压保护\n• 启动至预偏置输出负载\n• 稳压器为 180° 异相\n• 使用 LM26420 及其 WEBENCH® 电源设计器创建定制设计;

TI

德州仪器