IRU1237SC

更新时间： 2024-11-27 22:48:03

品牌	Logo	应用领域
英飞凌 - INFINEON		稳压器输出元件
页数	文件大小	规格书
7页	48K
描述
THREE INTEGRATED, FIXED OUTPUT LINEAR VOLTAGE REGULATORS

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数据手册

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IRU1237SC 数据手册

Data Sheet No. PD94581

IRU1237SC

THREE INTEGRATED, FIXED OUTPUT

LINEAR VOLTAGE REGULATORS

PRELIMINARY DATA SHEET

FEATURES

DESCRIPTION

Stable with Ceramic Capacitor

Fixed 8V, 3.3V and 2.6V

The IRU1237SC voltage regulator solution contains three

integrated, fixed, linear voltage regulators in one 7-pin

surface mount package. The first is a 2.6V regulator to

power the read channel and integrated controller/µP. The

second is a 3.3V regulator to power the controller I/O

and memory chips requiring 3.3V. The last is an 8V regu-

lator to power the preamp chip. The bandgap reference,

the 8V ground, and the substrate are all tied to a com-

mon ground pin, while the 2.6V and 3.3V ground is tied

to a separate ground pin. This grounding scheme allows

for improved noise isolation between the 8V regulator

and the 2.6V and 3.3V regulators.

Fast Transient Response

Output Current Limiting for each outputs

Built-In Thermal Shutdown

APPLICATIONS

Hard Disk Drive

Multi-Outputs Applications

High Efficiency Linear Regulator

The 2.6V and 3.3V regulators shall each be capable of

1.2A continuous for a 5.25V input. The 8V regulator shall

be capable of 0.2A continuous for a 13.2V input.

TYPICAL APPLICATION

2.6V / 1.2A

10uF

V26

VDD

12V

1uF

Gnd8

VCC

V33

8V / 200mA

IRU1237SC

1uF

10uF

3.3V / 1.2A

10uF

Gnd26/33

Figure 1 - Typical application of IRU1237SC.

PACKAGE ORDER INFORMATION

TJ (°C)

7-PIN PLASTIC

Ultra Thin-Pak^TM(P)

IRU1237SCCP

PACKAGE

MARKING

US1237SCCP

0 To 150

Rev. 1.2

07/14/03

www.irf.com

12 3 4 5 6 7

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