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P1785G-S08-R PDF预览

P1785G-S08-R

更新时间: 2024-09-20 10:15:27
品牌 Logo 应用领域
友顺 - UTC 转换器
页数 文件大小 规格书
7页 211K
描述
PWM CONTROL 2A STEP-DOWN CONVERTER

P1785G-S08-R 技术参数

是否Rohs认证: 符合生命周期:Active
零件包装代码:SOIC包装说明:SOP,
针数:8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.72其他特性:OPERATES IN ADJUSTABLE MODE FROM 0.8 TO 23V
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制技术:PULSE WIDTH MODULATION
最大输入电压:23 V最小输入电压:3.6 V
标称输入电压:12 VJESD-30 代码:R-PDSO-G8
长度:4.92 mm功能数量:1
端子数量:8最高工作温度:125 °C
最低工作温度:-20 °C封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified座面最大高度:1.96 mm
表面贴装:YES切换器配置:BUCK
最大切换频率:360 kHz温度等级:OTHER
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3.95 mmBase Number Matches:1

P1785G-S08-R 数据手册

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UNISONIC TECHNOLOGIES CO., LTD  
P1785  
Preliminary  
LINEAR INTEGRATED CIRCUIT  
PWM CONTROL 2A  
STEP-DOWN CONVERTER  
„
DESCRIPTION  
UTC P1785 consists of 2A step-down switching regulator  
control which includes a reference voltage source, oscillation  
circuit, error amplifier, internal PMOS and etc with PWM.  
UTC P1785 can provide low-ripple power, high efficiency, and  
excellent transient characteristics and an enable function, an over  
current protect function and a short circuit protect function are  
built inside, so the operation frequency will be reduced from  
300KHz to 30KHz when OCP or SCP happens. And the PWM  
control circuit can vary the duty ratio linearly from 100 down to  
0%. This converter also includes an error amplifier circuit as well  
as a soft-start circuit that prevents overshoot at startup. Also, to  
minimum external component count an internal compensation  
block is built in.  
SOP-8  
These ICs can work as step-down switching regulators with the  
addition of an internal P-channel Power MOS, a coil, capacitors,  
and a diode connected externally. They provide such outstanding  
features: low current consumption. It is also suitable for the  
operation via an AC adapter because this converter can  
accommodate an input voltage up to 23V.  
„
FEATURES  
* Soft-start, Current Limit, Enable function  
* Thermal Shutdown function  
* Built-in internal SW P-channel MOS  
* Input voltage: 3.6V to 23V.  
* Output voltage: 0.8V to VCC  
.
* Duty ratio: 0% to 100% PWM control  
* Oscillation frequency: 300KHz typ.  
„ ORDERING INFORMATION  
Ordering Number  
Package  
Packing  
Lead Free  
Halogen Free  
P1785L-S08-R  
P1785L-S08-T  
P1785G-S08-R  
P1785G-S08-T  
SOP-8  
SOP-8  
Tape Reel  
Tube  
www.unisonic.com.tw  
1 of 7  
Copyright © 2011 Unisonic Technologies Co., Ltd  
QW-R103-043.b  

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