High Precision Primary-Side Off-line PWM Power Switch Features � 5uA ultra-low startup current � 2mA Low operating current � ±5% Constant Voltage Regulation at Universal AC input � Primary-side Sensing and Regulation Without TL431 and Opto-coupler � Programmable CV and CC Regulation � Built-in Primary winding inductance compensation � Programmable cable dr.
� 5uA ultra-low startup current
� 2mA Low operating current
� ±5% Constant Voltage Regulation at Universal AC input
� Primary-side Sensing and Regulation Without TL431
and Opto-coupler
� Programmable CV and CC Regulation
� Built-in Primary winding inductance compensation
� Programmable cable drop compensation
� Built-in soft start
� Built-in Leading-edge blanking
� Cycle by cycle over current protection (OCP)
� VCC over voltage clamp & under voltage
lockout( UVLO)
� Maximum Gate output voltage clamped at 12V
� Frequency jittering
� Ultra low standby power (<100mW)
WS3254 operates in primary-s.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | WS3252 |
WINSEMI |
High Precision CC/CV Primary-Side PWM Controller | |
2 | WS3253 |
WINSEMI |
High Precision Primary-Side Off-line PWM Power Switch | |
3 | WS3255 |
WINSEMI |
High Precision Primary-Side Off-line PWM Power Switch | |
4 | WS3256 |
WINSEMI |
High Precision Primary-Side Off-line PWM Power Switch | |
5 | WS320240C |
ETC |
LCD | |
6 | WS3202E |
WillSEMI |
Over voltage and over current protection IC | |
7 | WS3202K |
WillSEMI |
Over voltage and over current protection IC | |
8 | WS3205D |
WillSEMI |
Over voltage and over current protection IC | |
9 | WS3208D |
WillSEMI |
Over Voltage and Over Current Protection IC | |
10 | WS3210 |
WillSEMI |
Over-Voltage Protection Load Switch | |
11 | WS3210C62 |
WillSEMI |
Over-Voltage Protection Load Switch | |
12 | WS3210C68 |
WillSEMI |
Over-Voltage Protection Load Switch |