Datasheet > ST1L05DPUR

ST1L05DPUR

更新时间： 2024-01-23 22:06:39

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
30页	1105K
描述
Very low quiescent current BiCMOS voltage regulator

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ST1L05DPUR 数据手册

ST1L05

Very low quiescent current BiCMOS voltage regulator

Datasheet

production data

Description

The ST1L05 is a low drop linear voltage regulator,

which supplies up to 1.3 A output current.

The output voltage is fixed at 1.8 V, 2.5 V, 3.3 V

and it is adjustable. It is available in three different

versions with different pinouts.

DFN6 (3x3 mm)

DFN8 (4x4 mm)

Thanks to BiCMOS technology, the quiescent

current is controlled and maintained below

650 µA over the entire allowed junction

temperature range. The ST1L05 is stable with low

ESR output ceramic capacitors.

Features

• Fixed output voltage: 1.8 V, 2.5 V, 3.3 V and

ADJ

Internal protection circuitry includes thermal

protection with hysteresis and overcurrent

limiting.

• Output voltage tolerance: ± 2% at 25 °C

• Output current capability: 1.3 A

• Very low quiescent current: max. 650 µA

• Typ. dropout 0.3 V (@ I_O= 1.3 A)

• Enable function for B, C and D versions

• Power Good function for B and D versions

• Stable with low ESR ceramic capacitors

• Thermal shutdown protection with hysteresis

• Overcurrent protection

The ST1L05 is suitable for data storage

applications such as HDDs, where it can supply

3.3 V required by read channel and memory

chips.

The regulator is available in the small and thin

DFN6 (3x3 mm) and DFN8 (4x4 mm) packages.

• Operating junction temperature range: from 0

to 125 °C

Table 1. Device summary

Package

Order codes

Output voltage

ST1L05PU25R

ST1L05APU33R

ST1L05BPUR

DFN6 (3x3 mm)

DFN8 (4x4 mm)

2.5 V

3.3 V

ADJ

ST1L05CPU33R

ST1L05DPUR

3.3 V

ADJ

May 2014

DocID14492 Rev 3

1/30

This is information on a product in full production.

www.st.com

12 3 4 5 6 7...30

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ST1L05DPUR 替代型号

型号	品牌	替代类型	描述	数据表
LD39150PU-R	STMICROELECTRONICS	功能相似	Ultra low drop BICMOS voltage regulator

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