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MP6900 8-24V, 400kHz Fast Turn-off Intelligent Controller TSOT23
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pMPS MP6900 — Fast Turn-off Intelligent Controller, 8-24V input, TSOT23./p
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MP6900 8-24V, 400kHz Fast Turn-off Intelligent Controller TSOT23
The MPS MP6900 is a Fast Turn-off Intelligent Controller. It operates from a 8 V to 24 V input and switches at 400 kHz. It is supplied in a TSOT23 package.
The MP6900 is a low-drop, fast turn-off intelligent controller that combined with an external switch replaces Schottky diodes in high-efficiency, Flyback converters.
Key Specifications
| Part Number | MP6900 |
| Function | Fast Turn-off Intelligent Controller |
| Input Voltage | 8 V to 24 V |
| Switching Frequency | 400 kHz |
| Package | TSOT23 |
| Ordering Codes | MP6900 |
Features
- Works with both Standard and Logic Level FETS
- Compatible with Energy Star, 1W Standby Requirements
- VDD Range From 8V to 24V
- 70mV VDS Regulation Function (1)
- Fast Turn-off Total Delay of 20ns
- Max 400kHz Switching Frequency
- <3mA Low Quiescent Current
- Supports CCM, DCM and Quasi-Resonant Topologies
- Supports High-side and Low-side Rectification
- Power Savings of Up to 1.5W in a Typical Notebook Adapter
Typical Application Circuit
Applications
- Industrial Power Systems
- Distributed Power Systems
- Battery Powered Systems
Design Notes
- The PFC inductor must support the maximum duty cycle at the lowest line voltage, which is where saturation risk peaks.
- High-voltage startup and X-capacitor discharge paths dominate no-load standby loss; verify them against the efficiency target.
- Leakage inductance and the RCD clamp set the turn-off loss — snubber values are a thermal trade-off, not a fixed recipe.
- Synchronous rectification timing must track the primary switching; a mistimed SR FET conducts through its body diode and fails hot.
Common Questions
What input voltage does the MP6900 support?
8 V to 24 V.
Which package and ordering codes apply to the MP6900?
TSOT23; order codes include MP6900.
What are the defining features of the MP6900?
Works with both Standard and Logic Level FETS Compatible with Energy Star, 1W Standby Requirements
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