STEVAL-ISA021V1 STMicroelectronics, STEVAL-ISA021V1 Datasheet - Page 15
![BOARD REF VIPER22A SGL OUTPUT](/photos/9/30/93055/steval-isa021v1_sml.jpg)
STEVAL-ISA021V1
Manufacturer Part Number
STEVAL-ISA021V1
Description
BOARD REF VIPER22A SGL OUTPUT
Manufacturer
STMicroelectronics
Series
VIPER™r
Datasheet
1.STEVAL-ISA035V1.pdf
(17 pages)
Specifications of STEVAL-ISA021V1
Design Resources
STEVAL-ISA021V1 Gerber Files STEVAL-ISA021V1 Schematic STEVAL-ISA021V1 Bill of Material
Main Purpose
AC/DC, Primary Side
Outputs And Type
1, Isolated
Power - Output
10W
Voltage - Output
12V
Current - Output
840mA
Voltage - Input
90 ~ 264VAC
Regulator Topology
Flyback
Frequency - Switching
60kHz
Board Type
Fully Populated
Utilized Ic / Part
VIPer22A
Product
Power Management Modules
Lead Free Status / RoHS Status
Lead free by exemption / RoHS compliant by exemption
Other names
497-5219
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
AN2544
1.10
Figure 15. VIPer22-E, 12 V at 350 mA output
Figure 14. Efficiency
Efficiency is about 75% at 120 V
EMI conducted
EMI was checked for all four versions for maximum peak reading.
85%
80%
75%
70%
65%
60%
80
100
Efficiency VS Input Line for 12V output
ac
120
effic. @ 100ma
. Efficiency is better at higher output voltages.
140
Figure 16. VIPer12-E, 12 V at 200 mA output
160
Input Line
effic. @ 200ma
180
200
effic. @ 350ma
220
240
260
Circuit operation
15/17