VB408 STMicroelectronics, VB408 Datasheet - Page 4

• Manufacturer Part Number: VB408
• Description: Linear Regulators - Standard 1.25-30V Adjustable
• Manufacturer: STMicroelectronics

Specifications of VB408

• Polarity: Positive
• Number Of Outputs: 1
• Output Type: Adjustable
• Output Voltage: 1.25 V to 370 V
• Output Current: 0.04 A
• Line Regulation: 100 uV / V
• Load Regulation: 6 mV / mA
• Input Voltage Max: 400 V
• Maximum Operating Temperature: + 150 C
• Minimum Operating Temperature: - 40 C
• Package / Case: TO-220
• Maximum Power Dissipation: 89000 mW
• Mounting Style: Through Hole
• Reference Voltage: 1.28 V
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Figure 3: Start-up circuit
Figure 2: Regulation with Zener
VIN
V
IN
C1
C1
V
VB408
IN
A
V
DJ
VB408
IN
V
OUT
A
DJ
V
Z1
R1
OUT
R1
R2
FC00430
C2
Vout
C2
PWM
VB408 / VB408B / VB408FI
FC00470
V
OUT
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