Overview
The CSD97394Q4M, manufactured by Texas Instruments, is a highly optimized synchronous buck NexFET™ power stage designed for high-power, high-density synchronous buck converters. This product integrates a driver IC with optional diode emulation functionality, enabling discontinuous conduction mode (DCM) operation to enhance light load efficiency. With a compact 3.5 x 4.5mm SON package, it offers high current, efficiency, and fast switching capabilities, making it ideal for applications in notebooks, superbooks, and multi-phase Vcore and DDR solutions.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Maximum Continuous Current | 20 | A | |
| Peak Current | 45 | A | |
| Operating Frequency | Up to 2 | MHz | |
| Input Voltage | Up to 24 | V | |
| Package Size | 3.5 x 4.5 | mm | SON |
| Static Current (ULQ Mode) | 130 | µA | |
| Diode Emulation Mode | Supported | Enables FCCM | |
| RoHS Compliance | Yes | Lead-free |
Key Features
- High efficiency (90% at 15A)
- Compact 3.5 x 4.5mm SON package
- Supports ultra-low quiescent (ULQ) current mode
- Diode emulation for FCCM operation
- Compatible with 3.3V and 5V PWM signals
- Integrated bootstrap diode
- Breakdown protection
Applications
The CSD97394Q4M is widely used in high-density power conversion applications, including notebooks, superbooks, and multi-phase Vcore and DDR solutions. Its optimized PCB packaging reduces design time and simplifies overall system design, making it suitable for network, telecom, and computing systems requiring load point synchronization.
Q & A
1. What is the maximum continuous current rating of CSD97394Q4M?
The maximum continuous current rating is 20A.
2. What is the peak current capability of this power stage?
The peak current capability is 45A.
3. What is the operating frequency range of CSD97394Q4M?
It can operate at frequencies up to 2MHz.
4. Does CSD97394Q4M support diode emulation mode?
Yes, it supports diode emulation mode for forced continuous conduction mode (FCCM) operation.
5. What is the package size of CSD97394Q4M?
The package size is 3.5 x 4.5mm in a SON form factor.
6. Is CSD97394Q4M RoHS compliant?
Yes, it is RoHS compliant and lead-free.
7. What is the static current in ULQ mode?
The static current in ultra-low quiescent (ULQ) mode is 130µA.
8. What input voltage range does CSD97394Q4M support?
It supports input voltages up to 24V.
9. What are the typical applications of CSD97394Q4M?
Typical applications include notebooks, superbooks, and multi-phase Vcore and DDR solutions.
10. Does CSD97394Q4M have integrated protection features?
Yes, it includes breakdown protection for enhanced reliability.
