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UPC494GS
Switching Controller, Current/voltage-mode, 0.25A, 300kHz Switching Freq-Max, BIPolar, PDSO16, 0.300 INCH, PLASTIC, SOP-16
UPC494GS
Switching Controller, Current/voltage-mode, 0.25A, 300kHz Switching Freq-Max, BIPolar, PDSO16, 0.300 INCH, PLASTIC, SOP-16
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
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UPC494GS DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
The µPC494 is an inverter control unit which provides all the control circuitry for PWM type switching regulators. Included in this device is the voltage reference, dual error amplifiers, oscillator, pulse width modulator, pulse steering flip flop, dual alternating output switches and dead-time control.FEATURES • Complete PWM power control circuit. • Adjustable dead-time (0 to 100%). • No double pulsing of same output during load transient condition. • Dual error amplifiers have wide common mode input voltage capability (−0.3 V to VCC−2 V). • Circuit architecture provides easy synchronization. • Uncommitted outputs for 250-mA sink or source. • With miss-operation prevention circuit for low level supply voltage. • Full pin-compatible TL494C.
Key Features
- Complete PWM power control circuit.
- Adjustable dead-time (0 to 100%).
- No double pulsing of same output during load transient condition.
- Dual error amplifiers have wide common mode input voltage capability (−0.3 V to VCC−2 V).
- Circuit architecture provides easy synchronization.
- Uncommitted outputs for 250-mA sink or source.
- With miss-operation prevention circuit for low level supply voltage.
- Full pin-compatible TL494C.
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Part Life Cycle Code | Obsolete | Part Package Code | SOIC |
| Pin Count ! | 16 | Reach Compliance Code | |
| ECCN Code | EAR99 | HTS Code ! | 8542.39.00.01 |
| Analog IC - Other Type | SWITCHING CONTROLLER | Control Mode | CURRENT/VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION | Input Voltage-Max | 40 V |
| Input Voltage-Min | 7 V | Input Voltage-Nom | 15 V |
| JESD-30 Code | R-PDSO-G16 | JESD-609 Code | e6 |
| Length | 10.2 mm | Number of Functions | 1 |
| Number of Terminals | 16 | Operating Temperature-Max | 85 °C |
| Operating Temperature-Min | -20 °C | Output Current-Max | 0.25 A |
| Package Body Material | PLASTIC/EPOXY | Package Code | SOP |
| Package Shape | RECTANGULAR | Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 | Qualification Status ! | Not Qualified |
| Seated Height-Max | 1.8 mm | Surface Mount ! | YES |
| Switcher Configuration | PUSH-PULL | Switching Frequency-Max | 300 kHz |
| Technology | BIPOLAR | Temperature Grade ! | OTHER |
| Terminal Finish | TIN BISMUTH | Terminal Form ! | GULL WING |
| Terminal Pitch ! | 1.27 mm | Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 10 | Width | 5.6 mm |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is UPC494GS?
The UPC494GS is a high-performance silicon bipolar integrated circuit designed and manufactured by NEC Electronics. It is a versatile and reliable amplifier that is commonly used in audio amplifiers, high-frequency circuits, and communication systems.
How Does UPC494GS Work?
The UPC494GS operates as a high-frequency amplifier with low noise and high gain. It is designed to accurately amplify small signals in high-frequency applications, making it suitable for use in radio frequency (RF) circuits, IF stages, and high-speed communication systems.
How Many Pins does UPC494GS have and What are the Functions of the Pinout Configuration?
The UPC494GS is housed in a 16-pin SSOP (Shrink Small Outline Package) package. The pinout configuration includes:
- VCC: Power supply pin.
- GND: Ground pin.
- IN1, IN2: Differential input pins.
- OUT: Output pin.
- VEE: Negative power supply pin.
- Additional pins may include compensation and frequency control pins.
What are the Pros and Cons of UPC494GS?
Pros:
- High Frequency Performance: Well-suited for high-frequency applications.
- Low Noise: Provides low noise amplification for high-quality signal processing.
- Small Package Size: The 16-pin SSOP package is compact, making it suitable for space-constrained designs.
Cons:
- External Components: May require external components for optimal performance and stability.
- Application Specific: Designed for high-frequency amplification and may not be suitable for low-frequency applications.
Are There Any Equivalents/Alternatives to UPC494GS for Recommendation?
- The NE35018 from New Japan Radio is an equivalent part to the UPC494GS.
- Alternatives to the UPC494GS include the MGA-81563 from Avago Technologies and the ERA-5SM+ from Mini-Circuits.
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