Download Databrief

STEVAL-ISA115V1
12 V, 150 mA non-isolated buck converter using VIPer™ Plus VIPER06XS
Data brief
Description
The STEVAL-ISA115V1 evaluation board is a 12
V / 0.15 A power supply set in buck topology with
the VIPER06XS, a new off-line high voltage
converter by STMicroelectronics.
The features of the device include an 800 V
avalanche rugged power section, PWM operation
at 30 kHz with frequency jittering for lower EMI,
current limiting with adjustable set point, onboard
soft-start, a safe auto-restart after a fault
condition and low standby power consumption.
Available protection features include thermal
shutdown with hysteresis, delayed overload
protection and open loop failure protection. All
protection is auto-restart mode.
STEVAL-ISA115V1
Features
•
•
•
•
•
•
•
Universal input mains range:
−
input voltage: 90 VAC - 264 VAC
−
frequency: 45 Hz - 65 Hz
Single-output voltage: 12 V @ 0.15 A
continuous operation
Standby mains consumption: < 50 mW @
265 VAC
Average efficiency: > 75%
Fully protected against faults (overload,
feedback disconnection and overheating)
EMI: in accordance with EN55022-Class-B
RoHS compliant
May 2014
DocID024373 Rev 2
For further information contact your local STMicroelectronics sales
office
1/4
www.st.com
2/4
GND
AC IN
R1
C1
D1
L1
C2
DocID024373 Rev 2
R4b
R4a
C3
D4
GND
CF
VDD
LIM
R6
CFB
FB
VIPER06XS
CC
COMP
DRAIN DRAIN DRAIN DRAIN DRAIN
C7
R3
R5a
C8
L2
D3
C9
Rbl
GND
Vout
1
R5b
Daux
Schematic
STEVAL-ISA115V1
Schematic
Figure 1: Schematic diagram
STEVAL-ISA115V1
2
Revision history
Revision history
Table 1: Document revision history
Date
Revision
Changes
22-Apr-2013
1
First release.
08-May-2014
2
Title has been updated.
DocID024373 Rev 2
3/4
STEVAL-ISA115V1
Please Read Carefully
Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries ("ST") reserve the
right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any
time, without notice.
All ST products are sold pursuant to ST’s terms and conditions of sale.
Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no
liability whatsoever relating to the choice, selection or use of the ST products and services described herein.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. If any part of this
document refers to any third party products or services it shall not be deemed a license grant by ST for the use of such third party products or
services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoever of such third
party products or services or any intellectual property contained therein.
UNLESS OTHERWISE SET FORTH IN ST’S TERMS AND CONDITIONS OF SALE ST DISCLAIMS ANY EXPRESS OR
IMPLIED WARRANTY WITH RESPECT TO THE USE AND/OR SALE OF ST PRODUCTS INCLUDING WITHOUT
LIMITATION IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE (AND THEIR
EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION), OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR
OTHER INTELLECTUAL PROPERTY RIGHT.
ST PRODUCTS ARE NOT DESIGNED OR AUTHORIZED FOR USE IN: (A) SAFETY CRITICAL APPLICATIONS SUCH AS
LIFE SUPPORTING, ACTIVE IMPLANTED DEVICES OR SYSTEMS WITH PRODUCT FUNCTIONAL SAFETY
REQUIREMENTS; (B) AERONAUTIC APPLICATIONS; (C) AUTOMOTIVE APPLICATIONS OR ENVIRONMENTS, AND/OR
(D) AEROSPACE APPLICATIONS OR ENVIRONMENTS. WHERE ST PRODUCTS ARE NOT DESIGNED FOR SUCH USE,
THE PURCHASER SHALL USE PRODUCTS AT PURCHASER’S SOLE RISK, EVEN IF ST HAS BEEN INFORMED IN
WRITING OF SUCH USAGE, UNLESS A PRODUCT IS EXPRESSLY DESIGNATED BY ST AS BEING INTENDED FOR
"AUTOMOTIVE, AUTOMOTIVE SAFETY OR MEDICAL" INDUSTRY DOMAINS ACCORDING TO ST PRODUCT DESIGN
SPECIFICATIONS. PRODUCTS FORMALLY ESCC, QML OR JAN QUALIFIED ARE DEEMED SUITABLE FOR USE IN
AEROSPACE BY THE CORRESPONDING GOVERNMENTAL AGENCY.
Resale of ST products with provisions different from the statements and/or technical features set forth in this document shall immediately void
any warranty granted by ST for the ST product or service described herein and shall not create or extend in any manner whatsoever, any
liability of ST.
ST and the ST logo are trademarks or registered trademarks of ST in various countries.
Information in this document supersedes and replaces all information previously supplied.
The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners.
© 2014 STMicroelectronics - All rights reserved
STMicroelectronics group of companies
Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Philippines - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America
www.st.com
4/4
DocID024373 Rev 2
Similar pages