ST2S06B datasheet(1/21 Pages) STMICROELECTRONICS

tên linh kiện	ST2S06B

Giải thích chi tiết về linh kiện	Dual synchronous rectification with reset or inhibit, 0.5 A, 1.5 MHz adjustable step-down switching regulator

PDF	21 Pages

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nhà sản xuất	STMICROELECTRONICS [STMicroelectronics]

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March 2008

Rev 3

1/21

21

ST2S06A33

ST2S06B - ST2S06D33

Dual synchronous rectification with reset or inhibit, 0.5 A, 1.5 MHz

adjustable step-down switching regulator

Features

■ Step-down current mode PWM (1.5 MHz)

DC-DC converter

■ Fixed or adjustable output voltage from 0.8 V

■ 2% DC output voltage tolerance

■ Synchronous rectification

■ Reset function for A and D versions

■ Inhibit function for B version

■ Internal soft start for start-up current limitation

and power ON delay of 50-100 µs

■ Typical efficiency: > 90%

■ 0.5 A output current capability

■ Non-switching quiescent current: max 1 mA

over temperature range

■ RDS(ON) 150 mΩ (typ.)

■ Uses tiny capacitors and inductors

■ Available in QFN12L (4x4 mm)

Description

The ST2S06 is a dual step-down DC-DC

converter optimized for powering low-voltage

digital cores in ODD applications and, generally,

to replace the high current linear solution when

the power dissipation may cause a high heating of

the application environment. It provides up to 0.5

A over an input voltage range of 2.5 V to 5.5 V.

A high switching frequency of 1.5 MHz allows the

use of tiny surface-mount components as well as

a resistor divider to set the output voltage value.

Only an inductor and two capacitors are required.

A low output ripple is guaranteed by the current

mode PWM topology and the utilization of low

ESR SMD ceramic capacitors. The device is

thermally protected and current limited to prevent

damage due to accidental short circuit. The

ST2S06 series is available in the QFN12L (4x4

mm) package.

QFN12L (4x4 mm)

Table 1.

Device summary

Order code

Package

Packaging

ST2S06APQR(1)

QFN12L (4x4 mm)

Tape and reel

ST2S06A33PQR

QFN12L (4x4 mm)

Tape and reel

ST2S06D33PQR

QFN12L (4x4 mm)

Tape and reel

ST2S06BPQR

QFN12L (4x4 mm)

Tape and reel

1.

Available on request.

www.st.com

Số phần tương tự - ST2S06B

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
STMicroelectronics	ST2S06B	296Kb / 18P	Dual synchronous rectification with reset or inhibit, 0.5 A, 1.5 MHz adjustable step-down switching regulator 28-Jul-2009
STMicroelectronics	ST2S06BPQR	296Kb / 18P	Dual synchronous rectification with reset or inhibit, 0.5 A, 1.5 MHz adjustable step-down switching regulator 28-Jul-2009

More results

Mô tả tương tự - ST2S06B

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
STMicroelectronics	ST1S06	502Kb / 19P	Synchronous rectification with inhibit, 1.5A, 1.5 MHz fixed or adjustable, step-down switching regulator in DFN6 3x3 03-Apr-2007
	ST1S09	416Kb / 18P	2A, 1.5 MHz PWM step-down switching regulator with synchronous rectification 05-Jul-2007
	ST1S03	374Kb / 16P	1.5 A, 1.5 MHz adjustable, step-down switching regulator 07-Mar-2008
	ST1S03A	280Kb / 14P	1.5A, 1.5 MHz Adjustable, with inhibit function Step-down switching regulator in DFN6 3x3 29-May-2007
	ST1S06XX	426Kb / 20P	Synchronous rectification with inhibit, 1.5 A, 1.5 MHz fixed or adjustable, step-down switching regulator 15-Apr-2008
	ST1S03A	276Kb / 14P	1.5 A, 1.5 MHz adjustable, with inhibit function step-down switching regulator 03-Jun-2008
	ST2S06A33	296Kb / 18P	Dual synchronous rectification with reset or inhibit, 0.5 A, 1.5 MHz adjustable step-down switching regulator 28-Jul-2009
	ST1S09	387Kb / 18P	2 A, 1.5 MHz PWM step-down switching regulator with synchronous rectification 19-Apr-2010
	ST1S30	193Kb / 11P	3 A, 1.5 MHz PWM step-down switching regulator with synchronous rectification 09-Sep-2010
	ST2S08B	757Kb / 18P	Dual synchronous rectification, 1.5 A, 1.5 MHz adjustable step-down switching regulator 18-May-2012

More results

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