Dual-Phase, Quick-PWM Controllers for Programmable CPU Core Power Supplies

General Description The MAX1519/MAX1545 are dual-phase, Quick-PWM™, step-down controllers for desktop and mobile Pentium® 4 (P4) CPU core supplies. Dual-phase operation reduces input ripple current requirements and output voltage ripple while easing component selection and layout difficulties. Th

文件：826.6 Kbytes 页数：43 Pages

Maxim

美信

双相、Quick-PWM控制器，用于可编程CPU核电源

MAX1519/MAX1545是双相、Quick-PWM™降压控制器，适用于台式机或移动Pentium® 4 (P4) CPU核的供电。双相工作降低了对输入电流纹波的要求、减小了输出电压纹波，同时也简化了外部元件的选择和线路板布局。Quick-PWM控制技术提供快速瞬态响应，加快负载电流的跃变。MAX1519/MAX1545采用增益和失调可调的有源电压定位技术，降低了功率损耗和对降压器输出电容的要求。\n MAX1519/MAX1545适用于两种不同类型的笔记本CPU核应用：直接由电池降压或由5V系统电源降压得到核电压。单级转换方式允许这些器件直接对高电压电池组进行降压，可提供极高的效率。两级 \n• 双相、Quick-PWM控制器 \n• 在整个输入范围、负载变化范围和工作温度范围内，提供±0.75% VOUT精度(1.3V) \n• 增益和失调可调节的有源电压定位 \n• 5位板上DAC \n• 移动：输出电压范围0.60V至1.75V \n• 台式机：输出电压范围1.10V至1.85V \n• 100kHz/200kHz/300kHz/550kHz开关频率选择 \n• 4V至28V电池输入电压范围 \n• 可调节的摆率控制 \n• 驱动大电流同步整流MOSFET \n• 输出电压过压保护(仅MAX1545) \n• 欠压保护和过热保护 \n• 顺序上电和定时 \n• 可;

ADI

亚德诺

Dual-Phase, Quick-PWM Controllers for Programmable CPU Core Power Supplies

General Description The MAX1519/MAX1545 are dual-phase, Quick-PWM™, step-down controllers for desktop and mobile Pentium® 4 (P4) CPU core supplies. Dual-phase operation reduces input ripple current requirements and output voltage ripple while easing component selection and layout difficulties. Th

文件：826.6 Kbytes 页数：43 Pages

Maxim

美信

DUAL SERIAL INPUT PLL FREQUENCY SYNTHESIZER

DUAL SERIAL INPUT PLL FREQUENCY SYNTHESIZER WITH 600MHz PRESCALER The Fujitsu MB1519 is a 600MHz dual serial input PLL (Phase Locked) frequency synthesizer designed for cellular telephone and cordless telephone applications. The MB1519 has two PLL circuits on a single chip: one for transmit and

文件：133.96 Kbytes 页数：16 Pages

Fujitsu

富士通

PRINTED CIRCUIT BOARD TERMINAL BLOCKS

PRINTED CIRCUIT BOARD TERMINAL BLOCKS Altech is pleased to announce a new, more extensive printed circuit board terminal block line. This line offers the standard single and double level fixed and pluggable terminal blocks in metric and US pin spacings. However, this product line goes beyond our

文件：1.23198 Mbytes 页数：27 Pages

ALTECH

1x, 1.5x, 2x High Efficiency Charge Pump 4 White LED Driver

DESCRIPTION The MP1519 is a fully automatic driver for powering four white LEDs, with up to 4V forward voltage, from a single Li-Ion or three NiMH cells. The driver performs all of the sensing and control to run the LEDs at an optimum charge pump ratio for efficiency without an expensive inductor

文件：211.75 Kbytes 页数：8 Pages

MPS

美国芯源