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UC2823ADWTR
IC REG CTRLR MULT TOP 16SOIC
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- Mfr。パート #UC2823ADWTR
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- データシート UC2823ADWTR DataSheet
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仕様
| Part Status | Active |
| Output Type | Transistor Driver |
| Function | Step-Up, Step-Up/Step-Down |
| Output Configuration | Positive |
| Topology | Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull |
| Number of Outputs | 1 |
| Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | 8.4V ~ 22V |
| Frequency - Switching | 400kHz ~ 1MHz |
| Duty Cycle (Max) | 100% |
| Synchronous Rectifier | No |
| Clock Sync | No |
| Control Features | Current Limit, Frequency Control, Ramp, Soft Start |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 16-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 16-SOIC |
| Base Product Number | UC2823 |
概要
Description
The UC2823ADWTR is a high-performance, current-mode PWM controller used primarily in power supply applications. Manufactured by Texas Instruments, this device is part of the UC2823A series, which is designed for efficient power management in DC-DC converters and other power systems. It features high-speed circuitry that allows for fast transient response and precise control, making it suitable for high-frequency operations.
Key features include a wide operating voltage range, high output current capability, and low start-up current. The UC2823ADWTR also provides built-in protection mechanisms such as overcurrent protection and under-voltage lockout, enhancing system reliability. It offers flexibility with adjustable dead time, allowing for optimization in different applications.
The device is packaged in a surface-mount form, specifically the SOIC-16 (DW) package, which is suitable for compact circuit designs. It is commonly used in telecommunications, industrial electronics, and other applications requiring efficient power conversion and management.
Key features include a wide operating voltage range, high output current capability, and low start-up current. The UC2823ADWTR also provides built-in protection mechanisms such as overcurrent protection and under-voltage lockout, enhancing system reliability. It offers flexibility with adjustable dead time, allowing for optimization in different applications.
The device is packaged in a surface-mount form, specifically the SOIC-16 (DW) package, which is suitable for compact circuit designs. It is commonly used in telecommunications, industrial electronics, and other applications requiring efficient power conversion and management.
Features
The UC2823ADWTR is a high-performance PWM controller designed for efficient power supply applications. Key features include:
1. Wide Input Voltage Range: Operates effectively across a broad range of input voltages, enhancing versatility for various power supply designs.
2. High-Speed Performance: Capable of high-frequency operation, which allows for more compact power supply designs with smaller magnetic components.
3. Current Mode Control: Provides better stability and transient response by directly monitoring the output current.
4. Soft Start Capability: Reduces inrush current during startup, thus protecting the system from potential damage.
5. Undervoltage Lockout (UVLO): Ensures that the device operates only when the input voltage is within a specified range, preventing erratic behavior when the supply voltage is too low.
6. Output Drive Capacity: Features a strong drive capability suitable for driving large power MOSFETs, improving overall efficiency.
7. Protection Features: Includes overcurrent protection to safeguard the system from overload conditions.
This controller is commonly used in high-efficiency power supply units and converters, where precision and reliability are critical.
1. Wide Input Voltage Range: Operates effectively across a broad range of input voltages, enhancing versatility for various power supply designs.
2. High-Speed Performance: Capable of high-frequency operation, which allows for more compact power supply designs with smaller magnetic components.
3. Current Mode Control: Provides better stability and transient response by directly monitoring the output current.
4. Soft Start Capability: Reduces inrush current during startup, thus protecting the system from potential damage.
5. Undervoltage Lockout (UVLO): Ensures that the device operates only when the input voltage is within a specified range, preventing erratic behavior when the supply voltage is too low.
6. Output Drive Capacity: Features a strong drive capability suitable for driving large power MOSFETs, improving overall efficiency.
7. Protection Features: Includes overcurrent protection to safeguard the system from overload conditions.
This controller is commonly used in high-efficiency power supply units and converters, where precision and reliability are critical.
Package
The UC2823ADWTR is a fixed frequency PWM controller by Texas Instruments, offered in a surface-mount SOIC (Small Outline Integrated Circuit) package. Specifically, it comes in a 16-pin SOIC wide-body form factor.
Pinout
The UC2823ADWTR is a high-performance PWM controller used in various power supply applications. It typically comes in a 16-pin SOIC (Small Outline Integrated Circuit) package. Here's a concise overview of its pin functions:
1. Pin 1 (ILIM/SD): Current limiting and shutdown.
2. Pin 2 (VFB): Voltage feedback input.
3. Pin 3 (VIN): Voltage input.
4. Pin 4 (EAOUT): Error amplifier output.
5. Pin 5 (RT/CT): Timing resistor/capacitor setting for oscillator frequency.
6. Pin 6 (SYNC): Synchronization input.
7. Pin 7 (VC): Compensation input.
8. Pin 8 (GND): Ground.
9. Pin 9 (OUTA): Output A.
10. Pin 10 (OUTB): Output B.
11. Pin 11 (PGND): Power ground.
12. Pin 12 (VCC): Supply voltage.
13. Pin 13 (VREF5): +5V reference output.
14. Pin 14 (SS): Soft start.
15. Pin 15 (VREF): Voltage reference.
16. Pin 16 (UVLO): Under-voltage lockout.
These controllers are designed for high-speed switching and provide features like soft start, under-voltage lockout, and current limiting, making them suitable for efficient power conversion tasks.
1. Pin 1 (ILIM/SD): Current limiting and shutdown.
2. Pin 2 (VFB): Voltage feedback input.
3. Pin 3 (VIN): Voltage input.
4. Pin 4 (EAOUT): Error amplifier output.
5. Pin 5 (RT/CT): Timing resistor/capacitor setting for oscillator frequency.
6. Pin 6 (SYNC): Synchronization input.
7. Pin 7 (VC): Compensation input.
8. Pin 8 (GND): Ground.
9. Pin 9 (OUTA): Output A.
10. Pin 10 (OUTB): Output B.
11. Pin 11 (PGND): Power ground.
12. Pin 12 (VCC): Supply voltage.
13. Pin 13 (VREF5): +5V reference output.
14. Pin 14 (SS): Soft start.
15. Pin 15 (VREF): Voltage reference.
16. Pin 16 (UVLO): Under-voltage lockout.
These controllers are designed for high-speed switching and provide features like soft start, under-voltage lockout, and current limiting, making them suitable for efficient power conversion tasks.
Manufacturer
The UC2823ADWTR is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and produces a wide range of analog and embedded processing chips. Their products are used in various applications, including industrial, automotive, personal electronics, and communications equipment. TI is known for its innovation in the semiconductor industry and has a substantial presence in research and development.
Application
The UC2823ADWTR is a PWM controller typically used in applications requiring efficient power conversion. Key areas include DC-DC converters, power supply units for telecom systems, industrial power management systems, and battery-operated devices. Its ability to enhance power efficiency makes it suitable for use in automotive electronics, renewable energy systems, and other applications demanding precise voltage regulation and power management.
Equivalent
The UC2823ADWTR is a PWM controller. Equivalent products include:
1. TL2843 by Texas Instruments
2. KA3843 by ON Semiconductor
3. MC33023 by ON Semiconductor
4. LM3523 by Texas Instruments
These alternatives may have slight differences in specifications, so it's important to compare them to ensure compatibility with your application.
1. TL2843 by Texas Instruments
2. KA3843 by ON Semiconductor
3. MC33023 by ON Semiconductor
4. LM3523 by Texas Instruments
These alternatives may have slight differences in specifications, so it's important to compare them to ensure compatibility with your application.
出荷
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出荷料参照(DHL/FedEx):
DHL の: 配送費は25ドル〜45ドル(0.5kg)の範囲で、推定配送時間は2〜5営業日です。
フェデックス: 配送費は25ドル〜40ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。
UPS の: 配送費は25ドル〜45ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。
TNT社: 配送費は25ドル〜65ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。
EMS: 配送料金は30〜50ドル(0.5kg)の範囲で、推定配送時間は7〜15営業日です。
登録航空郵便: 配送費は2〜4ドル(0.1kg)で、推定配送時間は5〜20営業日です。
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