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ST1S10PHR

更新时间： 2024-01-16 00:41:22
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 稳压器
页数 文件大小 规格书
26页 788K
描述
3 A, 900 kHz, monolithic synchronous step-down regulator

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ST1S10PHR 技术参数

是否Rohs认证： 符合生命周期：Active
零件包装代码：DFN包装说明：HVSON, SOLCC8,.15,32
针数：8Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
Factory Lead Time：16 weeks风险等级：1.77
Samacsys Description：STMICROELECTRONICS - ST1S10PUR - DC-DC Switching Buck Step Down Regulator, Adjustable, 2.5V-18Vin, 800mV-15.3Vout, 3Aout, DFN-8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：18 V最小输入电压：2.5 V
标称输入电压：12 VJESD-30 代码：S-XDSO-N8
长度：4 mm湿度敏感等级：1
功能数量：1端子数量：8
最大输出电流：3 A封装主体材料：UNSPECIFIED
封装代码：HVSON封装等效代码：SOLCC8,.15,32
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）：NOT SPECIFIED认证状态：Not Qualified
座面最大高度：1 mm子类别：Switching Regulator or Controllers
表面贴装：YES切换器配置：BUCK
最大切换频率：1100 kHz端子形式：NO LEAD
端子节距：0.8 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：4 mm

ST1S10PHR 数据手册

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ST1S10  
3 A, 900 kHz, monolithic synchronous  
step-down regulator  
Features  
■ Step-down current mode PWM regulator  
■ Output voltage adjustable from 0.8 V  
■ Input voltage from 2.5 V up to 18 V  
■ 2% DC output voltage tolerance  
■ Synchronous rectification  
■ Inhibit function  
DFN8 (4x4mm)  
PowerSO-8  
■ Synchronizable switching frequency from 400  
kHz up to 1.2 MHz  
■ Internal soft start  
■ Dynamic short circuit protection  
■ Typical efficiency: 90%  
■ 3 A output current capability  
Description  
The ST1S10 is a high efficiency step-down PWM  
current mode switching regulator capable of  
providing up to 3 A of output current. The device  
operates with an input supply range from 2.5 V to  
18 V and provides an adjustable output voltage  
■ Stand-by supply current: max 6 µA over  
temperature range  
■ Operative junction temp: from -25°C to 125°C  
from 0.8 V (V ) to 0.85*V  
[V  
=
FB  
IN_SW OUT  
Applications  
V
*(1+R1/R2)]. It operates either at a 900 kHz  
FB  
fixed frequency or can be synchronized to an  
external clock (from 400 kHz to 1.2 MHz). The  
high switching frequency allows the use of tiny  
SMD external components, while the integrated  
synchronous rectifier eliminates the need for a  
Schottky diode. The ST1S10 provides excellent  
transient response, and is fully protected against  
thermal overheating, switching over-current and  
output short circuit.  
■ Consumer  
– STB, DVD, DVD recorders, TV, VCR, car  
audio, LCD monitors  
■ Networking  
– XDSL, modems, DC-DC modules  
■ Computer  
– Optical storage, HD drivers, printers,  
audio/graphic cards  
The ST1S10 is the ideal choice for point-of-load  
regulators or LDO pre-regulation.  
■ Industrial and security  
– Battery chargers, DC-DC converters, PLD,  
PLA, FPGA, LED drivers  
Table 1.  
Device summary  
Part number  
Package  
DFN8 (4x4 mm)  
PowerSO-8  
ST1S10  
ST1S10PUR  
ST1S10PHR  
October 2007  
Rev. 3  
1/26  
www.st.com  
26  
1234567...26

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