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| 品牌：泰德 | 型号：TD1720 | 类型：其他IC |
| 封装：SOP8 | 批号：2021+ |
TD1720 PWM 耐压16V 外挂MOS高能带载20A
主营美国泰德降压IC，DC-DC系列，以及MOS场效应管系列.
泰德/授权代理商,32位MCU代理。
General Description
The TD1720 is a voltage mode, fixed 300kHz switching
frequency, synchronous buck converter. The TD1720 allows
wide input voltage that is either a single 5~12V or two supply
voltage(s) for various applications. A power-on-reset (POR)
circuit monitors the VCC supply voltage to prevent wrong
logic controls. A builtin soft-start circuit prevents the output
voltages from overshoot as well as limits the input current.
An internal 0.8V temperature-compensated reference
voltage with high accuracy is designed to meet the
requirement of low output voltage applications. The TD1720
provides excellent output voltage regulations against load
current
variation.
The controller’s over-current protection monitors the output
current by using the voltage drop across the RDS(ON) of
low-side MOSFET, eliminating the need for a current sensing
resistor that features high efficiency and low cost. In addition,
the TD1720 also integrates excellent protection functions:
The over-voltage protection (OVP) , under- voltage protection
(UVP). OVP circuit which monitors the FB voltage to prevent
the PWM output from overvoltage,and UVP circuit which
monitors the FB voltage to prevent the PWM output from
under-voltage or short-circuit.The TD1720 is available in
SOP-8P and TDFN3x3-10 packages.
Features
? Wide 5V to 12V Supply Voltage
? Power-On-Reset Monitoring on VCC
? Excellent Output Voltage Regulations 0.8V Internal
Reference ±1% Over-Temperature Range
? Integrated Soft-Start
? Voltage Mode PWM Operation with External
Compensation
? Up to 90% Duty Ratio for Fast Transient Response
? Constant Switching Frequency 300kHz ±10%
? Drive Dual Low Cost N-MOSFETs with Adaptive
Dead-Time Control
? 50% Under-Voltage Protection
? 125% Over-Voltage Protection
? Adjustable Over-Current Protection Threshold Using the
RDS(ON) of Low-Side MOSFET
? Shutdown Control by COMP
? Power Good Monitoring (TDFN-10 3mmx3mm Package
Only)
? SOP-8P and TDFN3x3-10 Packages
? Lead Free and Green Devices Available (RoHS Compliant)
Applications
? Graphic Cards
? DSL, Switch HUB
? Wireless Lan
? Notebook Computer
? Mother Board
? LCD Monitor/TV
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我司为国产MCU一级代理商，代理32位MCU ，
品牌有：航顺/中科芯/复旦微
美国泰德代理商：DC-DC降压IC，MOS
深圳市宏德伟创科技有限公司 (可看证）
（原厂原装，原厂技术支持，质量***）
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