STEVAL-ISA029V1 STMicroelectronics, STEVAL-ISA029V1 Datasheet - Page 12

• Manufacturer Part Number: STEVAL-ISA029V1
• Description: BOARD EVAL BASED ON VIPER53-E
• Manufacturer: STMicroelectronics
• Series: VIPER™r
• Type: MOSFET & Power Driverr

Specifications of STEVAL-ISA029V1

• Design Resources: STEVAL-ISA029V1 Gerber Files STEVAL-ISA029V1 Schematic STEVAL-ISA029V1 Bill of Material
• Main Purpose: AC/DC, Primary Side
• Outputs And Type: 3, Isolated
• Power - Output: 13W
• Voltage - Output: 12V, 3.3V, -24V
• Current - Output: 1A, 100mA, 40mA
• Voltage - Input: 85 ~ 300VAC
• Regulator Topology: Flyback
• Frequency - Switching: 60kHz
• Board Type: Fully Populated
• Utilized Ic / Part: VIPer53
• Input Voltage: 85 V to 300 V
• Output Voltage: 12 V
• Product: Power Management Modules
• Silicon Manufacturer: ST Micro
• Silicon Core Number: VIPer53-E
• Kit Application Type: Power Management
• Application Sub Type: Power Supply
• Kit Contents: Board
• Rohs Compliant: No
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: VIPer53-E
• Other names: 497-6458; STEVAL-ISA029V1

Operation pictures
12/36
Figure 12. Oscillator schematic
The switching frequency settings shown on the graphic here below is valid within the
following boundaries:
Figure 13. Oscillator settings
R
F
SW
t
> 2k
= 300kHz
Frequency (kHz)
100
300
10
1
Rt
Ct
2.2nF
4.7nF
10nF
22nF
OSC
320
SOURCE
VDD
Vcc
R
T
10
(K )
1nF
section
PWM
100
VIPer53 - E