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ST1S12GR PDF预览

ST1S12GR

更新时间: 2024-11-26 04:02:31
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光电二极管PC
页数 文件大小 规格书
20页 339K
描述
Synchronous rectification with enable, 0.7 A, 1.7 MHz fixed or adjustable step-down switching regulator in TSOT23-5L

ST1S12GR 技术参数

是否Rohs认证: 符合生命周期:Active
零件包装代码:SOT-23包装说明:LEAD FREE, TSOT-23, 5 PIN
针数:5Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
Factory Lead Time:22 weeks风险等级:1.7
Samacsys Confidence:3Samacsys Status:Released
Samacsys PartID:865061Samacsys Pin Count:5
Samacsys Part Category:Integrated CircuitSamacsys Package Category:SOT23 (5-Pin)
Samacsys Footprint Name:sot 23Samacsys Released Date:2019-03-12 04:50:17
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:5.5 V最小输入电压:2.5 V
标称输入电压:3.6 VJESD-30 代码:R-PDSO-G5
JESD-609代码:e4长度:2.9 mm
湿度敏感等级:1功能数量:1
端子数量:5最高工作温度:125 °C
最低工作温度:-40 °C最大输出电流:0.7 A
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装等效代码:TSOP5/6,.11,37封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified座面最大高度:1.1 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:2080 kHz
技术:NMOS温度等级:AUTOMOTIVE
端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)端子形式:GULL WING
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:1.6 mm
Base Number Matches:1

ST1S12GR 数据手册

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ST1S12xx  
Synchronous rectification with enable, 0.7 A, 1.7 MHz fixed or  
adjustable step-down switching regulator in TSOT23-5L  
Features  
Step-down current mode PWM (1.7 MHz) DC-  
DC converter  
3% DC output voltage tolerance  
Synchronous rectification  
Fixed output voltage 1.2 V, 1.8 V, and ADJ  
(available on request 1.5 V, 2.5 V and 3.3 V)  
TSOT23-5L  
Enable function  
Internal soft start  
Typical efficiency: > 90%  
0.7 A output current capability  
required. Moreover, a low output ripple is  
guaranteed by the current mode PWM topology  
and by the use of low ESR SMD ceramic  
capacitors. The device is thermally protected and  
the current is limited to prevent damage due to  
accidental short-circuit. The ST1S12Gxx is  
available in the TSOT23-5L package.  
Not switching quiescent current: max 600 µA  
over temperature range  
R  
typ. 250 mΩ and 400 mΩ  
DSON  
Uses tiny capacitors and inductors  
Operative junction temp. -40°C to 125°C  
Available in TSOT23-5L package  
Description  
The ST1S12Gxx is a step down DC-DC converter  
optimized for powering low-voltage digital cores in  
HDD applications and, generally, to replace the  
high current linear solution when the power  
dissipation may cause high heating of the  
application environment. It provides up to 0.7 A  
over an input voltage range of 2.5 V to 5.5 V. A  
high switching frequency (1.7 MHz) allows the  
use of tiny surface-mount components. In addition  
to the resistor divider to set the output voltage  
value, only an inductor and two capacitors are  
Table 1.  
Device summary  
Part numbers  
Order codes  
Package  
ST1S12XX  
ST1S12XX12  
ST1S12XX18  
ST1S12GR  
ST1S12G12R  
ST1S12G18R (1)  
TSOT23-5L  
TSOT23-5L  
TSOT23-5L  
1. Available on request.  
February 2008  
Rev 2  
1/20  
www.st.com  
20  

ST1S12GR 替代型号

型号 品牌 替代类型 描述 数据表
ST1S12G18R STMICROELECTRONICS

类似代替

Synchronous rectification with enable, 0.7 A, 1.7 MHz fixed or adjustable step-down switch
ST1S12G12R STMICROELECTRONICS

类似代替

Synchronous rectification with enable, 0.7 A, 1.7 MHz fixed or adjustable step-down switch
NCP1529ASNT1G ONSEMI

功能相似

1.7MHz, 1A, High Efficiency, Low Ripple, Adjustable Output Voltage Step-down Converter

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