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Products and typical application highlights
To meet the six energy efficiency standards, standby power <75mW (AC265V) ESD>7000V; electrostatic discharge; integrated frequency jitter function, enhance the EMI properties; ultra low starting current (5uA); hiccup mode, reduce the standby power system; integrated multiple functions and protection characteristics.
12V / 1.5A set-top box power supply solutions
High performance: to meet the six energy efficiency standards, the average efficiency is greater than 84.52%, the average standby power consumption is less than 38mW;
High EMI characteristics: effectively filter high frequency clutter and current interference;
High reliability: ESD (HBM) >7000V, to ensure the production of straight through rate 60ppm.
Product overview
RM6334D is a low standby power side feedback switching power supply control chip, suitable for small power off line switching power supply. The chip of high voltage power MOSFET and current mode PWM+PFM control, frequency jitter function can optimize the EMI performance, Hiccup mode can reduce the system power consumption, low starting current and soft start control circuit to ensure the system starts fast and safe. In addition, the chip provides a complete protection function, including over current protection, over voltage protection, over temperature protection, etc., to ensure that the ESD>7000V in the production process of high yield.
Functional characteristics
1, standby power consumption is less than 75mW (AC265V)
2, to meet the six energy efficiency
3, integrated 650V high voltage power MOSFET
4, ultra low starting current (5uA)
5, cycle by cycle current limiting
6, Hiccup mode
7, integrated soft start function
8, integrated jitter function, improve the EMI characteristics
9, complete protection function
Under voltage protection (UVLO)
Overvoltage protection (OVP)
Over current protection (OCP)
Over temperature protection (OTP)
Self recovery function
application area
The set-top box adapter, power supply, household power supply
Typical application
12V / 1.5A set-top box power supply solutions
System specification
Input voltage 85Vac-265Vac
Power tube 650V/4A
Constant pressure precision is less than 3%
Constant current accuracy less than 3%
Output power 18W
Average efficiency >84.52%
Average standby power consumption 38mW
Transformer EE19
Package form DIP-8
PCB graph
DEMO graph
Demo board specifications: 52.8 (mm) *37.1 (mm)
Average efficiency: greater than 84.52% average standby power consumption: less than 38mW
Conduction and radiation
Electrostatic discharge: ESD>7000V