Datasheet > LDL1117

LDL1117

更新时间： 2024-11-24 02:50:03

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
23页	1221K
描述
1.2 A high PSRR low-dropout linear voltage regulator

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LDL1117 数据手册

LDL1117

Datasheet

1.2 A high PSRR low-dropout linear voltage regulator

Features

•

Input voltage from 2.5 V to 18 V

20 V AMR

Available on fixed output voltages: 1.2 V (1.185 V), 1.5 V, 1.8 V, 2.5 V, 3 V, 3.3 V,

5.0 V (other options are available on request)

•

Guaranteed output current 1.2 A

Typical dropout 350 mV @ 1.2 A

Internal thermal, current and power limitation

High PSRR 87 dB @ 120 Hz

SOT223

Operating temperature range: -40 °C to 125°C

Package SOT223

Applications

•

Consumer

Industrial

SMPS

Motherboard P.O.L.

DC-DC post-regulation

Description

Maturity status link

The LDL1117 provides 1.2 A of maximum current with an input voltage range from

2.5 V to 18 V, and a typical dropout voltage of 350 mV @ 1.2 A.

LDL1117

The high power supply rejection ratio of 87 dB at 120 Hz, rolling down to more than

40 dB at 100 kHz, makes the LDL1117 suitable for direct regulations in SMPS and

secondary linear regulations in DC-DC converters.

This device includes current limit, SOA and thermal protections.

DS12022 - Rev 6 - April 2020

For further information contact your local STMicroelectronics sales office.

www.st.com

12 3 4 5 6 7...23

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