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TPS51225RUKR
+BOMIC REG QUAD BUCK/LNR SYNC 20WQFN
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Nhà sản xuấtTexas Dụng cụ
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Ông. Phần #TPS51225RUKR
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Có sẵn8505
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Series | D-CAP™ |
| Part Status | Active |
| Topology | Step-Down (Buck) Synchronous (2), Linear (LDO) (1) |
| Number of Outputs | 4 |
| Frequency - Switching | 300kHz, 355kHz |
| Voltage / Current - Output 1 | Controller |
| Voltage / Current - Output 2 | Controller |
| Voltage / Current - Output 3 | 3V, 100mA |
| w / LED Driver | No |
| w / Supervisor | No |
| w / Sequencer | No |
| Voltage - Supply | 5.5V ~ 24V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 20-WFQFN Exposed Pad |
| Supplier Device Package | 20-WQFN (3x3) |
| Base Product Number | TPS51225 |
Tổng quan
Description
Key features include a selectable current-sensing mechanism, adjustable output voltage, and integrated power-good and enable functions, which enhance system reliability and flexibility. The TPS51225RUKR also includes a built-in, 5-V, 100-mA LDO, which can be used for powering external peripherals or system components. Its compact package and thermal management features make it suitable for space-constrained applications.
The device is widely used in notebook computers, digital TVs, and other applications requiring efficient and compact power management solutions. Its robustness and adaptability make it a popular choice among designers for creating stable and efficient power supplies.
Equivalent
1. MAX8724 by Maxim Integrated, offering similar dual output voltage regulation.
2. ISL6333 by Intersil (now Renesas), which also supports dual synchronous buck controllers.
3. LTC3859 by Analog Devices, which provides triple-output step-down capability with additional features.
For exact equivalence, always compare specific electrical characteristics and pin compatibility.
Features
Pinout
Key functions of the TPS51225RUKR include:
1. Dual Output: It provides two independent buck controllers, enabling dual-output voltage regulation.
2. Synchronous Operation: Enhances efficiency by using synchronous rectification, which reduces losses associated with diode conduction.
3. Wide Input Voltage Range: Supports a broad range of input voltages, allowing flexibility in various applications.
4. D-CAP™ Mode: Provides fast transient response and ease of use, reducing the need for external compensation components.
5. Power Good Indicator: It includes indicators for monitoring the status of the output voltages.
6. Adjustable Switching Frequency: Allows the user to select the optimal frequency for their specific application requirements.
These features make the TPS51225RUKR suitable for efficient power conversion in devices with stringent power requirements.