STEVAL-ISA023V1 STMicroelectronics, STEVAL-ISA023V1 Datasheet - Page 13

• Manufacturer Part Number: STEVAL-ISA023V1
• Description: EVAL BOARD 24W POS OUT VIPER53E
• Manufacturer: STMicroelectronics
• Series: VIPER™r
• Type: AC/DC Switching Convertersr

Specifications of STEVAL-ISA023V1

• Mfg Application Notes: VIPer53EDIP - AppNote
• Design Resources: STEVAL-ISA023V1 Gerber Files STEVAL-ISA023V1 Schematic STEVAL-ISA023V1 Bill of Materials
• Main Purpose: AC/DC, Primary Side
• Outputs And Type: 3, Isolated
• Power - Output: 25W
• Voltage - Output: 5V, 12V, 3.3V
• Current - Output: 3A, 800mA, 100mA
• Voltage - Input: 90 ~ 265VAC
• Regulator Topology: Flyback
• Frequency - Switching: 60kHz
• Board Type: Fully Populated
• Utilized Ic / Part: VIPer53
• Input Voltage: 90 V to 265 V
• Output Voltage: 3.3 V, 5 V, 12 V
• Product: Power Management Modules
• Silicon Manufacturer: ST Micro
• Silicon Core Number: VIPer53-E
• Kit Application Type: Power Management
• Application Sub Type: SMPS
• Kit Contents: Board
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: VIPer53-E
• Other names: 497-5865

VIPer53 - E
Figure 14. Error amplifier test cpfiguration
This configuration is for test purpose only. In order to insure a correct stability of the error
amplifier, a capacitor of 10nF (minimum value: 8nF) should be always connected between
COMP pin and ground. See figures
Figure 15. Error amplifier transfer function
Gain (dB)
-20
-40
-60
60
40
20
0
1
Vin
R = 2.2 k
R = 10 k
R = 470
Open
10
OSC
15V
100
Figure
TOVL
VDD
18,
Frequency (Hz)
1k
2.5 V
19
COMP
R
and 22.
10k
SOURCE
DRAIN
100k
1M
Vout
Operation pictures
10M
13/36