TOLL TMI7321
The TMI7321 is an integrated IEEE 802.3af PoE compliant Powered Device (PD) power supply solution. It includes a PD interface and an isolated/non-isolated fly-back or Buck converter. The PD interface includes detection and all the functions of IEEE 802.3af, classification, 150mA inrush current, 450mA operation current limit as well as 100V Hot-swap MOSFET.| Part No. | TMI7321 |
|---|---|
| Datasheet | TMI7321 Download |
| Manufacturer |  TOLL |
| Description | Microelectronic 13W 802.3af PoE Powered Device Interface |
| Buy | Stock & Price |
FEATURES
● Compatible with 802.3af Specifications● Support 13W PoE Power Application
● 100V, 0.6Ω Integrated Pass Switch
● 150mA DC Input Current Limit
● 450mA PD Operation Current Limit
● Intelligent Maintain Power Signature (MPS)
● Integrated 160V Switching Power MOSFET
● Supports Primary-Side Regulated Flyback without Opto-Coupler Feedback
● Supports Low-side Switch Buck Converter
● 3A Programmable Switching Current Limit
● OLP, OVP, OTP and Open-Circuit Protection
● Minimal External Components
● QFN4x5-28 Package Application
● IEEE 802.3af-Compliant Devices
● Security Camera
● VoIP Phones
● WLAN Access Points
● IoT Devices
DESCRIPTION
The DC/DC converter uses fixed peak current and variable frequency discontinuous conduction mode (DCM) to regulate constant output voltage. The primary-side regulation without opto-coupler feedback in fly-back mode simplifies the design while buck mode continues minimizes the solution size for non-isolated applications. A 160V integrated power MOSFET...
