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Model UC3845BD1013TR
Description PWM 控制器，STMicroelectronics 脉冲宽度调制器 (PWM) 控制器可支持隔离和非隔离交流-直流和直流-直流开关模式电源。 它们在单端配置（如回扫、正向或准谐振控制器）和双端配置（非对称半桥，用于开关模式电源 (SMPS)）基于最常用的拓扑。 PMW 控制器还集成了全面保护，用于增强坚固性和可靠性。 ### PWM (Pulse Width Modulation) Controllers, STMicroelectronics
Product QR code
Brand: ST Microelectronics
Packaging SOIC-8
Delivery time
Packaging method Tape & Reel (TR)
Standard packaging quantity 1
1.07  yuan 1.07yuan
  • Freight charges：   In stock Freight rate：$13.00
  • Quantity： Inventory(5158) Minimum order quantity(1)
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Technical parameters/frequency:

500 kHz

 

Technical parameters/power supply voltage (DC):

15.0 V

 

Technical parameters/number of output interfaces:

1

 

Technical parameters/Input voltage (DC):

30.0 V

 

Technical parameters/output voltage:

4.90V ~ 5.10V

 

Technical parameters/output current:

1 A

 

Technical parameters/power supply current:

17 mA

 

Technical parameters/number of pins:

8

 

Technical parameters/dissipated power:

1.25 W

 

Technical parameters/Static current:

12.0 mA

 

Technical parameters/rise time:

50 ns

 

Technical parameters/switching frequency:

500 kHz

 

Technical parameters/duty cycle:

50 %

 

Technical parameters/maximum duty cycle:

50 %

 

Technical parameters/descent time:

50 ns

 

Technical parameters/operating temperature (Max):

70 ℃

 

Technical parameters/operating temperature (Min):

0 ℃

 

Technical parameters/dissipated power (Max):

1250 mW

 

Technical parameters/power supply voltage:

8.2V ~ 25V

 

Technical parameters/input voltage:

30 V

 

Encapsulation parameters/installation method:

Surface Mount

 

Package parameters/number of pins:

8

 

Encapsulation parameters/Encapsulation:

SOIC-8

 

Dimensions/Length:

5 mm

 

Dimensions/Width:

4 mm

 

Dimensions/Height:

1.25 mm

 

Dimensions/Packaging:

SOIC-8

 

Physical parameters/operating temperature:

-40℃ ~ 150℃ (TJ)

 

Other/Product Lifecycle:

Active

 

Other/Packaging Methods:

Tape & Reel (TR)

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Alternative material

Model Brand Similarity Encapsulation Introduction Data manual
UC3845AN UC3845AN Unitrode 完全替代 DIP
高性能电流模式PWM控制器 HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER
PDF
UC3845BD1 UC3845BD1 ON Semiconductor 完全替代 SOIC-8
PWM 控制器，STMicroelectronics 脉冲宽度调制器 (PWM) 控制器可支持隔离和非隔离交流-直流和直流-直流开关模式电源。 它们在单端配置（如回扫、正向或准谐振控制器）和双端配置（非对称半桥，用于开关模式电源 (SMPS)）基于最常用的拓扑。 PMW 控制器还集成了全面保护，用于增强坚固性和可靠性。 ### PWM (Pulse Width Modulation) Controllers, STMicroelectronics
PDF

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