STEVAL-ISA004V1 STMicroelectronics, STEVAL-ISA004V1 Datasheet - Page 14

• Manufacturer Part Number: STEVAL-ISA004V1
• Description: EVAL BOARD DUAL OUTPUT VIPER22A
• Manufacturer: STMicroelectronics
• Series: VIPER™r
• Type: MOSFET & Power Driverr

Specifications of STEVAL-ISA004V1

• Mfg Application Notes: VIPer22A Dual Output - AppNote AN1736
• Design Resources: STEVAL-ISA004V1 Gerber Files STEVAL-ISA004V1 Schematic STEVAL-ISA004V1 Bill of Materials
• Main Purpose: AC/DC, Primary Side
• Outputs And Type: 2, Isolated
• Power - Output: 10W
• Voltage - Output: 5V, 12V
• Current - Output: 1A, 420mA
• Voltage - Input: 90 ~ 264VAC
• Regulator Topology: Flyback
• Frequency - Switching: 60kHz
• Board Type: Fully Populated
• Utilized Ic / Part: VIPer22A
• Architecture: Analog
• Applications: Power
• Input Voltage: 3.3 V
• Product: Power Management Modules
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: VN808CM
• Other names: 497-5864

Operation pictures
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Figure 12. Peak drain current vs feedback current
Figure 13. Thermal shutdown
The drain current limitation is
obtained for VFB = 0 V, and a
negative current is drawn from
the FB pin. See the Application
section for further details.
I
Dpeak
I
D
1/F
OSC
I
FBsd
⋅
R
Doc ID 12050 Rev 2
FB
I
V
Dpeak
0
FB
I
Dlim
t
18V
G
ID
=
I
–
VIPer22A-E, VIPer22ADIP-E, VIPer22AS-E
FB
Δ
----------------------- -
I
Dpeak
Δ
I FB
47nF
I
FBsd
FB
VIPer22A
VDD
CONTROL
I
I
FB
FB
SOURCE
DRAIN
4mH
100V
100V