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1. Utsource will inspect the goods, including appearance inspection (no serious damage to the appearance), select qualified and honest suppliers, and ensure 98% qualification rate.
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Description
PFC IC Average Current 250kHz 16-SOIC
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The parameters and performance indicators of this product are sourced from the internet. In case of discrepancies, please refer to the manufacturer's technical specifications!！
| Parameter | Symbol | Min | Typ | Max | Unit | Description |
|---|---|---|---|---|---|---|
| Supply Voltage | Vcc | 7.5 | - | 40 | V | Operating supply voltage range |
| Quiescent Current | IQ | - | 3 | - | mA | Supply current at no load |
| Output Voltage (High) | VOH | - | 12.5 | - | V | Output high level voltage at 5V Vcc |
| Output Voltage (Low) | VOL | - | 0.6 | - | V | Output low level voltage at 5V Vcc |
| Output Current (Sink) | IOS | - | 200 | - | mA | Maximum output sink current |
| Output Current (Source) | IOH | - | 100 | - | mA | Maximum output source current |
| Input Voltage (High) | VIH | 2.0 | - | - | V | Minimum input voltage for logic high |
| Input Voltage (Low) | VIL | - | - | 0.8 | V | Maximum input voltage for logic low |
| Propagation Delay | tpd | 15 | - | 40 | ns | Time delay from input to output change |
| Power Dissipation | PD | - | - | 1500 | mW | Maximum power dissipation |
| Operating Temperature Range | Toper | -40 | - | 125 | °C | Ambient operating temperature range |
| Storage Temperature Range | Tstg | -65 | - | 150 | °C | Temperature range for storage |
Power Supply:
Input Signals:
Output Configuration:
Thermal Management:
Handling and Storage:
Layout and PCB Design:
Testing and Troubleshooting:
| QUANTITY | UNIT PRICE | PLUS UNIT PRICE | TOTAL PRICE |
|---|---|---|---|
| ≥1: | US $2.82000 | US $2.53800 | US $2.53800 |
| ≥5: | US $2.67900 | US $2.41110 | US $12.05550 |
| ≥10: | US $2.53800 | US $2.28420 | US $22.84200 |
| ≥20: | US $2.46750 | US $2.22075 | US $44.41500 |
| ≥50: | US $2.39700 | US $2.15730 | US $107.86500 |
| ≥100: | US $2.32650 | US $2.09385 | US $209.38500 |
| ≥200: | US $2.25600 | US $2.03040 | US $406.08000 |
| ≥500: | US $2.22780 | US $2.00502 | US $1002.51000 |
| ≥1000: | US $2.18550 | US $1.96695 | US $1966.95000 |
Substitute (equivalent) Product
| Product Name | Description |
|---|---|
| UCC2818 | High-voltage current-mode controller for off-line switchers, featuring high-voltage start-up and low quiescent current. |
| UC3842 | Fixed frequency current mode controller that provides all functions required for current-mode control in off-line and DC-DC converters. |
| LM5023 | High-voltage current-mode PWM controller designed for high-performance offline power supplies, featuring built-in fault protection. |
| TL494 | Dual error amplifier monolithic integrated circuit designed for pulse width modulation (PWM) applications, suitable for a wide range of switching regulators. |
| IR3567 | High-efficiency, synchronous buck controller with integrated drivers, suitable for high-current applications. |
Product Usage
The UCC3819AD is a dual current-mode controller designed by Texas Instruments, primarily used in power supply applications. It is particularly suited for high-performance switching power supplies and DC-DC converters. Here are some specific types of circuits where the UCC3819AD is commonly used:
Isolated DC-DC Converters:
Non-Isolated DC-DC Converters:
Power Factor Correction (PFC) Circuits:
Battery Charging Circuits:
LED Driver Circuits:
Motor Control Circuits:
If you have a specific application in mind or need more detailed information on how to design a circuit using the UCC3819AD, feel free to ask!
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| Flag | Country | Estimated Delivery Time | Minimum First Weight Cost | ||
|---|---|---|---|---|---|
| Express | Standard Shipping | Express (0.5kg) | Standard Shipping (0.05kg) | ||
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Returns are normally accepted when completed within 90 days from the date of the parcel delivered.
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Warranty
All UTSOURCE purchases have a 90 days money back return policy, plus a 100 days UTSOURCE warranty against any manufacturing defects.This warranty shall not apply to any item where defects have been caused by improper customer assembly, failure by customer to follow instructions, product modification, negligent or improper operation.
UCC3819AD
UCC3819AD has several brands around the world that may have alternate names for UCC3819AD due to regional differences or acquisition. UCC3819AD may also be known as the following names:
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