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Texas Instruments 8-Pin SOIC PWM Controller Current Mode 500 kHz 125V 1A UC2845AD8
Specifications
| Country of Origin | India |
|---|---|
| Brand | Texas Instruments |
| Height | 1.58mm |
| Length | 4.9mm |
| Model | UC2845AD8 |
| Width | 3.91mm |
| Mount Type | Surface |
| Maximum Duty Cycle | 50% |
| Series | UC |
| Output Current | 1A |
| Maximum Operating Temperature | 85°C |
| Package Type | SOIC |
| Minimum Operating Temperature | -40°C |
| Number of outputs | 1 |
| Output Voltage | 5.2V |
| Maximum Switching Frequency | 500kHz |
| Pin Count | 8 |
| Maximum Supply Voltage | 125V |
| Minimum Supply Voltage | -55V |
| Supply Current | 4mA |
| PWM Controller Type | Current Mode |
Key Features
- Operates at a maximum switching frequency of 500 kHz.
- Current mode PWM controller type ensures precise control.
- Maximum supply voltage rating of 125V supports robust applications.
- Low supply current consumption of 4 mA improves efficiency.
- Single output with 1A output current capability.
- Surface mount SOIC package with 8 pins for compact PCB integration.
- Wide operating temperature range of -40°C to 85°C for industrial use.
Product Description
Texas Instruments UC2845AD8 is an 8-Pin SOIC surface mount PWM controller designed for current mode applications with a maximum switching frequency of 500 kHz and a supply voltage rating up to 125V. It is engineered to provide precise power management control for power supplies and converters.
This PWM controller features a low supply current of 4 mA and outputs a stable voltage of 5.2V with up to 1A output current capability. The device supports a maximum duty cycle of 50% and operates reliably within a temperature range of -40°C to 85°C, making it suitable for various industrial and commercial electronics applications.
The package type is SOIC with 8 pins and compact dimensions making it ideal for space-constrained PCB layouts. It belongs to the UC series and incorporates current-mode control methodology, enhancing transient response and regulation precision.
This controller is widely used in isolated flyback power supply designs offering constant voltage and current regulation without requiring an optocoupler due to primary-side regulation techniques. Its surface mount profile facilitates automated manufacturing processes increasing production efficiency.
Operates at a maximum switching frequency of 500 kHz. Current mode PWM Controller type ensures precise control. Maximum supply voltage rating of 125V supports robust applications. Low supply current consumption of 4 mA improves efficiency.
Single output with 1A output current capability. Surface mount SOIC package with 8 pins for compact PCB integration. Wide operating temperature range of -40°C to 85°C for industrial use. Compact dimensions: length 4.9 mm, width 3.91 mm, height 1.58 mm.
This product is ideal for power management in industrial instrumentation, embedded electronics, laboratory equipment, consumer electronics, and other commercial applications requiring reliable DC-DC conversion and PWM control.
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Frequently Asked Questions
The maximum switching frequency of this model is 500 kHz.
It has a single output with a current capability of up to 1A.
This PWM controller supports a maximum supply voltage rating of 125V.
It operates reliably within a temperature range of -40°C to 85°C.
The package type is SOIC with 8 pins.
It has a low supply current consumption of 4 mA.
The output voltage is stable at 5.2V.
The maximum duty cycle is 50%.
The dimensions are 4.9 mm in length, 3.91 mm in width, and 1.58 mm in height.
It utilizes current mode control methodology for precise power management.
This model is commonly used in isolated flyback power supply designs and various industrial and commercial electronics applications.
The country of origin for this product is India.
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