Datasheet > LM2931BXX50

LM2931BXX50

更新时间： 2024-11-26 03:13:27

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		稳压器
页数	文件大小	规格书
23页	885K
描述
Very low drop voltage regulators with inhibit function

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LM2931BXX50 数据手册

LM2931XX - LM2931AXX33

LM2931AXX50 - LM2931BXX50

Very low drop voltage regulators with inhibit function

Features

■ Very low dropout voltage (0.15 V typ. at 10 mA

load)

■ Low quiescent current (typ. 2.5 mA, at 100 mA

load)

■ Output current up to 100 mA

DPAK

TO-92

■ Adjustable (from V

= 2.5 V only SO-8) and

OUT

fixed (3.3 V & 5 V) output voltage version

■ Internal current and thermal limit

■ Load dump protection up to 60 V

■ Reverse transient protection up to -50 V

■ Temperature range: -40 to 125 °C

SO-8

■ Package available: TO-92, DPAK, SO-8 (with

inhibit control)

board in stand-by decreasing the total power

consumption. Ideal for automotive application the

LM2931xx is protected from reverse battery

installations or 2 battery jumps. During the

transient, such as a a load dump (60 V) when the

input voltage can exceed the specified maximum

operating input voltage (26 V), the regulator will

automatically shut down to protect both internal

circuit and the load.

Description

The LM2931xx are very low drop regulators. The

very low drop voltage and the low quiescent

current make them particular suitable for low

noise, low power applications and in battery

powered systems. In the 8 pin configuration (SO-

8), fully compatible to the older L78Lxx family, a

shut down logic control function is available.

This means that when the device is used as a

local regulator is possible to put a part of the

Table 1.

Device summary

Order codes

Packages

Output voltage

DPAK

TO-92 (BAG)

TO-92 (Ammopak) ⁽¹⁾

SO-8

LM2931AZ33R

LM2931AZ50R

LM2931BZ50R

LM2931AD33R

LM2931AD50R

LM2931BD50R

LM2931D-R

3.3 V

5.0 V

LM2931ADT50R

LM2931BZ50AP

5.0 V

2.5 to 26 V

1. Please note that in these cases pins are shaped according to tape & reel specifications.

July 2008

Rev 18

1/23

www.st.com

12 3 4 5 6 7...23

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