AN7709SP集成电路（IC）的线性+开关稳压器规格书PDF中文资料

AN7709SP属于集成电路（IC）的线性+开关稳压器。由松下电器制造生产的AN7709SP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。

■Overview

The AN7700, AN7700F, and AN7700SP series are stabilized constant-voltage power supplies with small difference between I/O voltages (0.5 V typ.). They are suitable for low-voltage, battery-driven equipment, and home

appliances and industrial equipment with great fluctuation of the supply voltage.

The output voltage ranges:

For AN7700, AN7700F

3 V, 4 V, 5 V, 6 V, 7 V, 8 V, 9 V, 10 V, 12 V, 15 V, 18 V, 20 V, and 24 V

For AN7700SP

3.3 V, 3.5 V, 5 V, 6 V, 7 V, 8 V, 9 V, 10 V, 12 V, and 15 V

■Features

•Minimum I/O voltage difference: 0.5 V (typ.)

•On-chip overcurrent limiter

•On-chip thermal protection circuit

•On-chip inrush current protection circuit at the time of input voltage start-up

•On-chip input short-circuit protection circuit (When the input pin is short-circuited to the ground, the

circuit between pins 1 and 3 is shut down to prevent current flow.)

■Applications

•Power supply equipment