| Allicdata Part #: | TP3420AV309/NOPB-ND |
| Manufacturer Part#: |
TP3420AV309/NOPB |
| Price: | $ 0.00 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Texas Instruments |
| Short Description: | IC INTERFACE ISDN DEVICE 20-PLCC |
| More Detail: | Telecom IC Transceiver 20-PLCC (9x9) |
| DataSheet: |  TP3420AV309/NOPB Datasheet/PDF |
| Quantity: | 1000 |
| 1 +: | 0.00000 |
Specifications
| Series: | -- |
| Packaging: | Tube |
| Part Status: | Obsolete |
| Function: | Transceiver |
| Interface: | ISDN |
| Number of Circuits: | 1 |
| Voltage - Supply: | 4.75 ~ 5.25 V |
| Current - Supply: | -- |
| Operating Temperature: | -- |
| Mounting Type: | Surface Mount |
| Package / Case: | 20-LCC (J-Lead) |
| Supplier Device Package: | 20-PLCC (9x9) |
| Includes: | -- |
| Base Part Number: | TP3420 |
Description
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TP3420AV309/NOPB Application Field and Working PrincipleThe TP3420AV309/NOPB is a low-voltage current-mode step-up converter controller manufactured by Texas Instruments. Measuring just 0.3 inches square, this integrated circuit offers a wide input range of 2.8V to 28V and a regulated output voltage of between 4.8V and 21V. This makes it suitable for many telecommunications applications where a wide input voltage range, small size and high efficiency are required. The TP3420AV309/NOPB is designed for power sources that use boost or buck-boost configurations. With its small size, low operating temperature, high efficiency, and low quiescent current it is well suited for providing voltage regulation from Li-ion, Li-Polymer and other rechargeable cell-phone batteries. The TP3420AV309/NOPB integrated circuit is designed for use with variable frequency oscillators such as those in digital mobile phone systems. It operates in the “current mode”, indicating that it regulates the current passing through the inductor and uses its output current setting circuitry to determine the output voltage setting. The integrated circuit’s power-saving features optimise efficiency levels by reducing the amount of energy consumed. It also has a “soft start” feature, that ramps up the output current gradually and seamlessly to avoid in-rush current overloads. The thermal regulation feature ensures that the device self-regulates to maintain a safe operating temperature. The TP3420AV309/NOPB integrated circuit also features an adaptive on-time architecture. This is used to create an accurate output voltage or current, and offers an accurate 2%. The fast transient response of this feature enables the device to respond quickly to changing loads, helping to maintain output stability and reduce power dissipation. The quick start-up time of the TP3420AV309/NOPB is also important in telecommunications applications. In addition, it features a maximum frequency of 3 MHz allowing the flexibility to use smaller and lighter components while maintaining high system efficiency. The TP3420AV309/NOPB integrated circuit provides a wide range of safety features for telecommunications applications. For example it has an over-voltage protection, preventing it from outputting more than 21V, and an over-temperature protection which keeps the device from reaching excessive temperatures. Additionally, it has under-voltage lockout (UVLO) protection, short-circuit protection, thermal shutdown and over-current protection. All of these features mean that the TP3420AV309/NOPB is an ideal choice for telecommunication applications. It can be used in a wide range of devices, including GSM and CDMA mobile phones, Bluetooth headsets, and other wireless applications. Its small size, high efficiency, and wide input range make it an excellent choice for companies requiring a versatile, power-saving and reliable step-up converter controller.The specific data is subject to PDF, and the above content is for reference
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