UCC3813-5_TI 具有 4.1V/3.6V UVLO 和 50% 占空比、温度范围为 0°C 至 70°C 的经济型低功耗 BICMOS 1MHz 电流模式 PWM

UCC3813-5的基本参数

制造厂商：TI
产品类别：电源管理
技术类目：交流/直流和隔离式直流/直流开关稳压器 - PWM 控制器
功能描述：具有 4.1V/3.6V UVLO 和 50% 占空比、温度范围为 0°C 至 70°C 的经济型低功耗 BICMOS 1MHz 电流模式 PWM
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UCC3813-5的产品详情：

The UCC3813-x device family of high-speed, low-power integrated circuits contains all of the control and drive components required for off-line and DC-to-DC fixed-frequency current-mode switching power supplies with minimal parts count.

These devices have the same pin configuration as the UC384x device family, and also offer the added features of internal full-cycle soft start and internal leading-edge blanking of the current-sense input.

The UCC3813-x device family offers a variety of package options, temperature-range options, choice of maximum duty cycle, and choice of critical voltage levels. Devices with lower reference voltage such as the UCC3813-3 and UCC3813-5 fit best into battery operated systems, while the higher reference and the higher UVLO hysteresis of the UCC3813-2 device and UCC3813-4 device make these ideal choices for use in off-line power supplies.

The UCC2813-x device series is specified for operation from –40°C to 85°C and the UCC3813-x device series is specified for operation from 0°C to 70°C.

UCC3813-5的优势和特性：

100-μA typical starting supply current
500-μA typical operating supply current
Operation to 1 MHz
Internal soft start
Internal fault soft start
Internal leading-edge blanking of the current-sense signal
1-A totem-pole output
70-ns typical response from current-sense to gate-drive output
1.5% Tolerance Voltage Reference
Same Pinout as the UCC3802 device, UC3842 device, and UC3842A device families

UCC3813-5的参数（英文）：

Topology
Flyback, Boost,
Duty cycle (Max) (%)
50
Supply voltage (Max) (V)
12
UVLO thresholds on/off (V)
4.1/3.6
Features
Adjustable Switching Frequency, Current Limiting, Dead Time Control, Error Amplifier, Leading Edge Blanking, Multi-topology, Soft Start
Operating temperature range (C)
0 to 70
Rating
Catalog
Frequency (Max) (kHz)
1000
Gate drive (Typ) (A)
1

UCC3813-5具体的完整产品型号参数及价格（美元）：

UCC3813-5的完整型号有：UCC3813D-5、UCC3813DTR-5、UCC3813PW-5、UCC3813PWTR-5，以下是这些产品的关键参数及官网采购报价：

UCC3813D-5，工作温度：0 to 70，封装：SOIC (D)-8，包装数量MPQ：75个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网UCC3813D-5的批量USD价格：0.829（1000+）

UCC3813DTR-5，工作温度：0 to 70，封装：SOIC (D)-8，包装数量MPQ：2500个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网UCC3813DTR-5的批量USD价格：0.691（1000+）

UCC3813PW-5，工作温度：0 to 70，封装：TSSOP (PW)-8，包装数量MPQ：150个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网UCC3813PW-5的批量USD价格：0.829（1000+）

UCC3813PWTR-5，工作温度：0 to 70，封装：TSSOP (PW)-8，包装数量MPQ：2000个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网UCC3813PWTR-5的批量USD价格：0.691（1000+）

UCC3813-5的评估套件：

UCC3813-5的电路图解：

UCC3813-5的评估套件：