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ST1S03A PDF预览

ST1S03A

更新时间: 2024-01-03 20:48:57
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 稳压器开关
页数 文件大小 规格书
14页 281K
描述
1.5A, 1.5 MHz Adjustable, with inhibit function Step-down switching regulator in DFN6 3x3

ST1S03A 技术参数

是否无铅:不含铅是否Rohs认证:符合
生命周期:Obsolete零件包装代码:DFN
包装说明:3 X 3 MM, DFN-6针数:6
Reach Compliance Code:compliantECCN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 VJESD-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峰值回流温度(摄氏度):260
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
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:3 mm
Base Number Matches:1

ST1S03A 数据手册

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ST1S03A  
1.5A, 1.5 MHz Adjustable, with inhibit function  
Step-down switching regulator in DFN6 3x3  
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  
DFN6 (3x3)  
Typical efficiency: > 85%  
Inhibit function  
dissipation may cause an high heating of the  
application environment. It provides up to 1.5A  
over an input voltage range of 3V to 5.5V. 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 ST1S03A is  
available in DFN6 (3x3).  
1.5A Output current capability  
Not switching quiescent current: max 1.5mA  
over temperature range  
Switch V : max 200mV @ I =750mA  
DS  
SW  
Uses tiny capacitors and inductors  
Available in DFN6 3x3 exposed pad  
Description  
The ST1S03A 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  
Order codes  
Part number  
Packaging  
Tape & reel  
Package  
ST1S03APMR  
ST1S03AIPMR  
ST1S03APUR  
ST1S03AIPUR  
DFN6 (3x3 mm)  
DFN6 (3x3 mm)  
DFN6D (3x3 mm)  
DFN6D (3x3 mm)  
Tape & reel  
Tape & reel  
Tape & reel  
May 2007  
Rev. 3  
1/14  
www.st.com  
14  

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