ST1S09IPU datasheet(1/18 Pages) STMICROELECTRONICS

部件名	ST1S09IPU

功能描述	2 A, 1.5 MHz PWM step-down switching regulator with synchronous rectificationtm

Download	18 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

1 / 18 page

January 2008

Rev 3

1/18

18

ST1S09

2 A, 1.5 MHz PWM step-down switching regulator

with synchronous rectification

Features

■ 1.5 MHz fixed frequency PWM with current

control mode

■ 2 A output current capability

■ Typical efficiency: > 90%

■ 2 % DC output voltage tolerance

■ Two versions available: power good or inhibit

■ Integrated output over-voltage protection

■ Non switching quiescent current: (typ) 1.5 mA

over temperature range

■ RDSON (typ) 100 mΩ

■ Utilizes tiny capacitors and inductors

■ Operating junction temp. -30 °C to 125 °C

■ Available in DFN6 (3x3 mm) exposed pad

Description

The ST1S09 is a step-down DC-DC converter

optimized for powering low output voltage

applications. It supplies a current in excess of 2 A

over an input voltage range from 2.7 V to 6 V.

A high PWM switching frequency (1.5 MHz)

allows the use of tiny surface-mount components.

Moreover, since the required synchronous

rectifier is integrated, the number of the external

components is reduced to minimum: a resistor

divider, an inductor and two capacitors. The

power good function continuously monitors the

output voltage. An open drain power good flag is

released when the output voltage is within

regulation. In addition, a low output ripple is

guaranteed by the current mode PWM topology

and by the use of low E.S.R. SMD ceramic

capacitors. The device is thermally protected and

the output current limited to prevent damages due

to accidental short circuit. The ST1S09 is

available in the DFN6 3x3 mm package.

DFN6 (3x3mm)

Table 1.

Device summary

Order codes

Packaging

Package

ST1S09PU

ST1S09PUR

DFN6D (3x3 mm)

ST1S09APU (1)

ST1S09APUR

DFN6D (3x3 mm)

ST1S09IPU

ST1S09IPUR

DFN6D (3x3 mm)

1.

Available on request.

www.st.com

类似零件编号 - ST1S09IPU

制造商	部件名	数据表	功能描述
STMicroelectronics	ST1S09IPU	416Kb / 18P	2A, 1.5 MHz PWM step-down switching regulator with synchronous rectification
STMicroelectronics	ST1S09IPUR	387Kb / 18P	2 A, 1.5 MHz PWM step-down switching regulator with synchronous rectification

More results

类似说明 - ST1S09IPU

制造商	部件名	数据表	功能描述
STMicroelectronics	ST1S09	387Kb / 18P	2 A, 1.5 MHz PWM step-down switching regulator with synchronous rectification
	ST1S30	193Kb / 11P	3 A, 1.5 MHz PWM step-down switching regulator with synchronous rectification
	ST1S09	416Kb / 18P	2A, 1.5 MHz PWM step-down switching regulator with synchronous rectification
	ST2S08B	757Kb / 18P	Dual synchronous rectification, 1.5 A, 1.5 MHz adjustable step-down switching regulator
	ST1S03	374Kb / 16P	1.5 A, 1.5 MHz adjustable, step-down switching regulator
	ST1S06XX	426Kb / 20P	Synchronous rectification with inhibit, 1.5 A, 1.5 MHz fixed or adjustable, step-down switching regulator
	ST1S03A	276Kb / 14P	1.5 A, 1.5 MHz adjustable, with inhibit function step-down switching regulator
	A6986F	6Mb / 72P	38 V 1.5 A synchronous step-down switching regulator
	L5983	966Kb / 37P	1.5 A step-down switching regulator
	STEVAL-L6981CDR	1Mb / 4P	38 V, 1.5 A synchronous step-down switching regulator evaluation board based 38 V, 1.5 A synchronous step-down switching regulator evaluation board based Rev 2 - March 2021

More results

ST1S09IPU 数据表(PDF) 1 Page - STMicroelectronics

ST1S09IPU 数据表(HTML) 1 Page - STMicroelectronics

类似零件编号 - ST1S09IPU

类似说明 - ST1S09IPU

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

数据表下载

链接网址

ST1S09IPU 数据表(PDF) 1 Page - STMicroelectronics

ST1S09IPU 数据表(HTML) 1 Page - STMicroelectronics

类似零件编号 - ST1S09IPU

类似说明 - ST1S09IPU

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

数据表 下载

链接网址

数据表下载