仕様
| 属性 | 値 |
| Package / Case | Tape & Reel (TR) |
| Part Status | Obsolete |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 5V |
| Voltage - Input (Max) | 36V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 34.92V |
| Current - Output | 3A |
| Frequency - Switching | 270kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
概要
Description
MP2499AGQB-Z is Monolithic Power Systems’ synchronous buck regulator IC with integrated high- and low-side MOSFETs. It’s designed for efficient DC-DC power conversion, suitable for applications like CPU/GPU rails, memory, telecom, and other low-voltage/high-current rails.
Key points
- Synchronous buck converter with integrated FETs
- Current-mode PWM control
- Programmable switching frequency
- Soft-start and enable control
- Protections: overcurrent/short-circuit, overtemperature, overvoltage
- RoHS-compliant QFN package (suffix -Z indicates the package variant)
As with most buck regulators, it requires external passive components: inductor, input/output capacitors, feedback resistors, and a compensation network.
For exact electrical specs, pinout, package details, and typical application circuits, refer to the MP2499AGQB-Z datasheet on the Monolithic Power Systems website.
Key points
- Synchronous buck converter with integrated FETs
- Current-mode PWM control
- Programmable switching frequency
- Soft-start and enable control
- Protections: overcurrent/short-circuit, overtemperature, overvoltage
- RoHS-compliant QFN package (suffix -Z indicates the package variant)
As with most buck regulators, it requires external passive components: inductor, input/output capacitors, feedback resistors, and a compensation network.
For exact electrical specs, pinout, package details, and typical application circuits, refer to the MP2499AGQB-Z datasheet on the Monolithic Power Systems website.
Pinout
- Pin count: 28 pins (QFN package)
- Function: Synchronous buck DC-DC regulator controller with integrated high-side/low-side gate drivers (used to drive a switching regulator).
- Function: Synchronous buck DC-DC regulator controller with integrated high-side/low-side gate drivers (used to drive a switching regulator).
Manufacturer
- Manufacturer: Monolithic Power Systems, Inc. (MPS).
- What kind of company: A fabless semiconductor company that designs and markets high-performance analog and mixed-signal integrated circuits, especially power-management ICs, outsourcing fabrication to foundries.
- What kind of company: A fabless semiconductor company that designs and markets high-performance analog and mixed-signal integrated circuits, especially power-management ICs, outsourcing fabrication to foundries.
Application
Applications for MP2499AGQB-Z (concise):
- CPU/GPU voltage regulator modules (VRMs) and multi‑phase DC‑DC power stages
- Notebook and portable computer power rails
- Desktop/server multi‑rail DC‑DC converters
- Automotive 12V DC‑DC converters and battery charging stages
- Industrial and telecom equipment power supplies requiring high efficiency and fast transient response
- CPU/GPU voltage regulator modules (VRMs) and multi‑phase DC‑DC power stages
- Notebook and portable computer power rails
- Desktop/server multi‑rail DC‑DC converters
- Automotive 12V DC‑DC converters and battery charging stages
- Industrial and telecom equipment power supplies requiring high efficiency and fast transient response
Package
Quad Flat No-Lead (QFN) package.
