L9758中文资料多电源，用于发动机控制数据手册ST规格书

描述 Description

The L9758 is a multiple output voltage regulator utilizing linear, switchmode (buck and boost) and tracking regulators to support high end automotive microcontrollers used in powertrain applications.

The L9758 provides two standby power regulators as well as controllable LDO regulators.

The L9758 has power on reset functionality and controlled slew rate of the VDD5, VDDLand VCORE.

特性 Features

• AEC-Q100 qualified
• Buck converter pre-regulated supply rated for a minimum of 2 A (RMS)
• Optional Boost converter for low battery conditions
• 5 V, 2% @ 1 A, VDD5low dropout (LDO) regulator
• Programmable 3.3 V or 2.6 V, 2% @ 1 A, VDDLLDO regulator with external pass transistor
• Programmable microcontroller core voltage LDO regulator, VCORE2% @ 1 A with external voltage divider and pass transistor
• Programmable 1 V or 1.5 V, 10% @ 10 mA, standby memory regulator (VKAM)
• Programmable 3.3 V or 2.6 V, 10% @ 10 mA alternate standby regulator (VSTBY)
• Four 5 V ± 7 mV @ 50 mA protected tracking regulators, one of them with selectable external voltage reference.
• Independent reset signals, RST5 and RSTL for the VDD5, VDDLsupplies.
• Independent standby voltage monitor STANDBY_OK
• Two power supply enable signals for different voltage level signals
• Battery voltage thresholding - IGN
• Logic level thresholding - PSU_EN

简介

L9758属于集成电路（IC）的特殊用途稳压器。由制造生产的L9758特殊用途稳压器该系列产品用于电源控制、某种形式的转换，适用于特定的复杂应用。因此，各种产品特性集差异较大，包括空燃比传感器接口、汽车交流发电机电压调节、DDR 端接、液体透镜控制、摩托车转向信号控制、热电 (peltier) 冷却器控制、压电触觉控制、阀门控制、小型发动机管理等。