LD1086中文资料1.5 A可调与固定低压降正电压稳压器数据手册ST规格书

描述 Description

The LD1086 is a low drop voltage regulator capable of providing up to 1.5 A of output current. Dropout is guaranteed at a maximum of 1.2 V at the maximum output current, decreasing at lower loads. The LD1086 is pin-to-pin compatible with older 3-terminal adjustable regulators, but has better performance in terms of drop and output tolerance. Unlike PNP regulators, where a part of the output current is wasted as quiescent current, the LD1086 quiescent current flows into the load, increasing efficiency. Only a 10 μF (minimum) capacitor is needed for stability. The device is available in a TO-220, D²PAK, D²PAK/A, DPAK or DFN8 (4x4) package. On-chip trimming allows the regulator to reach a very tight output voltage tolerance; within ± 1% at 25 °C. The LD1086 is available as automotive grade for adjustable output voltages in the TO-220 and DPAK packages. The PAT, SYL, SBL statistical tests have been performed, and the devices are qualified according to the AEC-Q100 specification for the automotive market in the temperature range of - 40 °C to 125 °C.

特性 Features

• Typical dropout: 1.3 V at 1.5 A
• Three-terminal adjustable or fixed output voltage: 1.8 V, 2.5 V, 3.3 V, 5 V
• Automotive grade (adjustable VOUT in TO-220 and DPAK packages only)
• Output current guaranteed up to 1.5 A
• Output tolerance: ± 1% at 25 °C and ± 2% in full temperature range
• Internal power and thermal limit
• Wide operating temperature range - 40 °C to 125 °C
• Package available: TO-220, D²PAK, D²PAK/A, DPAK and DFN8 (4x4)
• Pinout compatibility with standard adjustable voltage regulators

简介

LD1086属于集成电路（IC）的线性+开关稳压器。由制造生产的LD1086稳压器 - 线性线性稳压器用于提供稳定的输出电压，无论负载电流、输入电压或环境因素如何变化，这些输出电压通常都要保持不变。它们的工作原理要求输入电压维持在高于所需的输出电压，而且要超出某个最小量，并且在工作时会将输入端的任何多余电压转换为热量。对于大多数应用而言，虽然这种稳压器的效率低于开关模式的稳压器，但它们通常更适合对噪声高度敏感的应用。