HT2811H eliminates optocoupler and TL431 switch power controller Integrated Circuits ICs
HT2811H PSR control eliminates optocoupler and TL431
| HOTCHIP | |
| Product Category: | switch power controller |
| RoHS: | Details |
| - | |
| SOP5 | |
| Standard | |
| Unit Weight: | - oz |
GENERAL DESCRIPTION
HT2811H is high performance primary sensing regulator (PSR) and monolithic switch power controller which
is designedfor small-power supply equipment with current mode control. Built-in accurate CV/CC control circuit,
eliminates optocoupler. TL431 and its related loop devices. High integration design. a high performance power
BJT and PFM controller and all kinds of protection circuits in one chip. to minimize the peripheral components
to save the cost greatly. HT2811H can be simply designed a typical flyback switch converter, the unique driving
technology promotes the characteristics of withstand voltage and achieves excellent converting efficieng
HT2811H is a high-performance source-side feedback (PSR) and monolithic switching power supply controller
designed for small power supply devices with current mode control. It built-in accurate CV/CC control circuitry,
eliminating the need for optocouplers,
TL431 and their associated circuitry components. The high-integrated circuit design integrates high-performance
BJT and PFM controller and various protection circuits on a single chip, minimizing peripheral components and
saving costs.
APPITCATONS
◆Intel1i ht mobile phone/small size tablet .
er
◆Digital cameras and other small digital
products
◆Power adapters for network products etc
◆RCC solutions Replace
HT2811H can easily design a typical flyback switching converter, and its unique driving technology enhances the
withstand voltage characteristics, achieving excellent conversion efficiency.
FEATURES
◆Built-in 800V power BJT:,
◆PSR control. eliminates optocoupler
and TL431;
◆Accurate CV/CC control
◆Hysteresis over-temperature protection
(OTP) circuit+ Higher efficiency and meet Level 6
● Built-in 800V power transistor;
● PSR control, eliminating the need for optocoupler and TL431;
● Precise constant voltage/constant current control;
● Delayed temperature protection circuit (OTP);
● High efficiency, meeting 6-level efficiency standards;
● Output voltage protection (OVP/UVLO);
● Less than 100mW standby power consumption;
● Automatic restart function;
● Ultra-low start current;
● Simple EMC circuit implementation with good EMC characteristics;
● SOP5 package.
