Power Management ICs
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Hot sale Original TPS54428DDA IC Buck Switching Regulator IC Positive Adjustable 0.76V 1 Output 4A 8-SO PowerPad Surface Mount
Manufacturer Product Number
TPS54428DDA
Description
Original TPS54428DDA IC Buck Switching Regulator IC Positive Adjustable 0.76V 1 Output 4A 8-SO PowerPad Surface Mount
Package Condition
Tape & Reel (TR)
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Product Details
| Description The TPS54428 is an adaptive on-time D-CAP2™ mode synchronous buck converter. The TPS54428 enables system designers to complete the suite of various end-equipment power bus regulators with a cost effective, low component count, low standby current solution. The main control loop for the TPS54428 uses the DCAP2™ mode control that provides a fast transient response with no external compensation components. The adaptive on-time control supports seamless transition between PWM mode at higher load conditions and Eco-mode™ operation at light loads. Eco-mode™ allows the TPS54428 to maintain high efficiency during lighter load conditions. The TPS54428 also has a proprietary circuit that enables the device to adopt to both low equivalent series resistance (ESR) output capacitors, such as POSCAP or SP-CAP, and ultra-low ESR ceramic capacitors. The device operates from 4.5-V to 18-V VIN input. The output voltage can be programmed between 0.76 V and 7.0 V. The device also features an adjustable soft start time. The TPS54428 is available in 8-pin DDA package and 10-pin DRC packages, and is designed to operate over the ambient temperature range of –40°C to 85°C. Features • D-CAP2™ Mode Enables Fast Transient Response • Low Output Ripple and Allows Ceramic Output Capacitor • Wide VIN Input Voltage Range: 4.5 V to 18 V • Output Voltage Range: 0.76 V to 7.0 V • Highly Efficient Integrated FETs Optimized for Lower Duty Cycle Applications – 70 mΩ (High Side) and 53 mΩ (Low Side) • High Efficiency, Less Than 10 μA at Shutdown • High Initial Bandgap Reference Accuracy • Adjustable Soft Start • Pre-Biased Soft Start • 650-kHz Switching Frequency (fSW) • Cycle By Cycle Over Current Limit • Auto-Skip Eco-mode™ for High Efficiency at Light Load Applications • Wide Range of Applications for Low Voltage System – Digital TV Power Supply – High Definition Blu-ray Disc™ Players – Networking Home Terminal – Digital Set Top Box (STB) |
Product Description
| Type | Description |
| ANSC PART# | ANSC - TPS54428DDA |
| Category | Integrated Circuits (ICs) |
| Power Management (PMIC) | |
| Voltage Regulators - DC DC Switching Regulators | |
| Mfr | Original |
| Series | D-CAP2™, Eco-Mode™ |
| Packaging | Tube |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4.5V |
| Voltage - Input (Max) | 18V |
| Voltage - Output (Min/Fixed) | 0.76V |
| Voltage - Output (Max) | 7V |
| Current - Output | 4A |
| Frequency - Switching | 650kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 8-PowerSOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SO PowerPad |
| Base Product Number | TPS54428 |
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Original TPS54428DDA IC Buck Switching Regulator IC Positive Adjustable 0.76V 1 Output 4A 8-SO PowerPad Surface Mount
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