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STEVAL-ISA021V1: 10W, 12V @ 840mA, 85 ~ 265VAC

Summary

The VIPer22A off-line SMPS primary switcher combines a dedicated current mode PWM controller with a high voltage Power MOSFET on the same silicon chip and its switching frequency is internally fixed at 60 kHz. The feedback path of the power supply includes an optocoupler for secondary regulation and galvanic isolation between primary and secondary sides. The output voltage is regulated at 12V with a maximum output current of 0.84A, resulting in a maximum output power of 10W.

Product highlights

– Switch mode General Purpose Power Supply
– Single-sided Board
– 75% Typical Efficiency
– Output Short Circuit Protection
– Thermal Shutdown Protection
– Complies with EN55022 Class B EMI specifications
– Complies with Blue Angel standards

Specifications

Manufacturer	STMicroelectronics
Category	AC/DC and DC/DC Conversion
Sub-Category	AC/DC SMPS - Single Output
Eval Board Part Number	497-5219-ND
Eval Board Supplier	STMicroelectronics
Eval Board	Board not Stocked
AC Voltage	115 V 230 V Universal (115 / 230V)
Outputs and Type	1 Isolated
Voltage Out	12 V
Current Out	840 mA
Output Power	10 W
Features	Light Load Mode Short Circuit Protection Thermal Protection Under Voltage Protection, Brown-Out Zero Load Regulation
Efficiency @ Conditions	>76%, 120 ~ 230V in, 12V @ 10 W >73%, 120V in, 12V @ 3 W ~ 10 W >73%, 120V in, 12V @ 250 ~ 840 mA
No-load Input Power @ Voltage	200 mW @ 115 V 366 mW @ 230 V
Switching Frequency	60 kHz
Internal Switch	Yes
Component Count + Extras	27 + 4
Voltage In	85 ~ 265 VAC
Design Author	STMicroelectronics
Application / Target Market	Medical Power: AC Adapters Set-Top Boxes Telecom White Goods
Main I.C. Base Part	VIPer22A
Date Created By Author
Date Added To Library	2017-05