ST1S03PU

更新时间： 2024-09-26 03:29:55

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		稳压器开关式稳压器或控制器电源电路开关式控制器
页数	文件大小	规格书
17页	342K
描述
1.5A, 1.5 MHz adjustable, step-down switching regulator in DFN6

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中文翻译

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技术参数
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ST1S03PU 技术参数

生命周期：	Obsolete	零件包装代码：	DFN
包装说明：	HVSON,	针数：	6
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.73
Is Samacsys：	N	模拟集成电路 - 其他类型：	SWITCHING REGULATOR
控制模式：	CURRENT-MODE	控制技术：	PULSE WIDTH MODULATION
最大输入电压：	16 V	最小输入电压：	3 V
标称输入电压：	5 V	JESD-30 代码：	S-XDSO-N6
长度：	3 mm	功能数量：	1
端子数量：	6	封装主体材料：	UNSPECIFIED
封装代码：	HVSON	封装形状：	SQUARE
封装形式：	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE	认证状态：	Not Qualified
座面最大高度：	1 mm	表面贴装：	YES
切换器配置：	BUCK	最大切换频率：	1800 kHz
端子形式：	NO LEAD	端子节距：	0.95 mm
端子位置：	DUAL	宽度：	3 mm
Base Number Matches：	1

ST1S03PU 数据手册

ST1S03

1.5A, 1.5 MHz adjustable, step-down switching regulator in DFN6

Features

■ Step-down current mode PWM (1.5MHz)

DC-DC converter

■ 2% DC output voltage tolerance

■ Internal soft start for START-UP current

limitation and power on delay of 50-100µs

■ Typical efficiency: > 70% over all operating

conditions

DFN6 (3x3mm)

■ 1.5A Output current capability

■ Not switching quiescent current: max 2.5mA

over temperature range

■ Switch V_DS: max 350mV @ I_SW=750mA

over an input voltage range of 3V to 16V. An high

switching frequency (1.5MHz) allows the use of

tiny surface-mount components: as well as the

resistor divider to set the output voltage value,

only an inductor, a schottky diode and two

capacitors are required. Besides, 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 thermal

protected and current limited to prevent damages

due to accidental short circuit. The ST1S03 is

available in DFN6.

■ Uses tiny capacitors and inductors

■ Available in DFN 3x3 exposed pad

Description

The ST1S03 is a step down DC-DC converter

optimized for powering low-voltage digital core in

HDD applications and, generally, to replace the

high current linear solution when the power

dissipation may cause an high heating of the

application environment. It provides up to 1.5A

Order codes

Part number

Packaging

ST1S03PMR

Package

ST1S03PM

ST1S03PU

DFN6 (3x3 mm)

ST1S03PUR

DFN6D (3x3 mm)

March 2007

Rev. 5

1/17

www.st.com

12 3 4 5 6 7...17

中文翻译

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与ST1S03PU相关器件

型号	品牌	获取价格	描述	数据表
ST1S03PUR	STMICROELECTRONICS	获取价格	1.5 A, 1.5 MHz adjustable, step-down switching regulator
ST1S03RPM	STMICROELECTRONICS	获取价格	1.5A, 1.5 MHZ ADJUSTABLE, STEP-DOWN SWITCHING REGULATOR IN DFN6
ST1S06	STMICROELECTRONICS	获取价格	Synchronous rectification with inhibit, 1.5A, 1.5 MHz fixed or adjustable, step-down switc
ST1S06A	STMICROELECTRONICS	获取价格	Synchronous rectification with inhibit, 1.5 A, 1.5 MHz fixed or adjustable, step-down swit
ST1S06APM	STMICROELECTRONICS	获取价格	Synchronous rectification with inhibit, 1.5A, 1.5 MHz fixed or adjustable, step-down switc
ST1S06APMR	STMICROELECTRONICS	获取价格	Synchronous rectification with inhibit, 1.5A, 1.5 MHz fixed or adjustable, step-down switc
ST1S06APU	STMICROELECTRONICS	获取价格	Synchronous rectification with inhibit, 1.5A, 1.5 MHz fixed or adjustable, step-down switc
ST1S06APUR	STMICROELECTRONICS	获取价格	Synchronous rectification with inhibit, 1.5A, 1.5 MHz fixed or adjustable, step-down switc
ST1S06PM	STMICROELECTRONICS	获取价格	Synchronous rectification with inhibit, 1.5A, 1.5 MHz fixed or adjustable, step-down switc
ST1S06PM12	STMICROELECTRONICS	获取价格	Synchronous rectification with inhibit, 1.5A, 1.5 MHz fixed or adjustable, step-down switc

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