VB408B datasheet(2/8 Pages) STMICROELECTRONICS

2 / 8 page

2/8

VB408 / VB408B / VB408FI

ABSOLUTE MAXIMUM RATING

THERMAL DATA

(*) When mounted using the minimum recommended pad size on FR-4 board (1 inch2)

CONNECTION DIAGRAM (TOP VIEW)

Symbol

Parameter

Value

Unit

TO-220

ISOW ATT220

D2PAK

VIN,OUT

Input to Output Voltage at 20 mA

- 0.2 to 420

IOUT

Output current

Internally limited

VESD

Electrostatic discharge (R=1.5k

Ω, C=100pF)

2000

Ptot

Power dissipation at TC=25

oC89

Junction operating temperature

- 40 to150

°C

TSTG

Storage temperature

- 55 to 150

°C

Symbol

Parameter

Value

Unit

TO-220

ISOWATT220

D2PAK

Rthj-case

Thermal resistance junction-case

(MAX)

1.4

°C/W

Rthj-amb

Thermal resistance junction-ambient

(MAX)

35 (*)

°C/W

∆

ELECTRICAL CHARACTERISTICS (VIN=300VDC; -25°C<Tj<125°C; ILOAD=15mA; VADJ=0V unless otherwise

specified)

Symbol

Parameter

Test Conditio ns

Min

Typ

Max

Unit

VIN

Input Voltage

400

VIN-VOUT

Input to Output Voltage

VREF

Output Reference Voltage VADJ=0V

1.20

1.24

1.28

∆V

OUT/∆VIN

Line Regulation

VADJ=0V; VIN=30 to 400 VDC

100

µV/V

∆V

OUT/∆ILOAD

Load Regulation

VADJ=0V; ILOAD=1 to 20 mA

mV/mA

IADJ

Adjustment Pin Current

µA

IBIAS

Minimum Load Current

1.2

ILIM

Output Current Limit

Tjsh

Junction Temperature

Shutdown Limit

135

150

°C

∆T

jsh

Junction Temperature

Shutdown Hysteresis

°C

VOUT

VIN

ADJ

TO-220 / ISOWATT220

D2PAK

VOUT

VIN

ADJ

VB408B Datasheet(PDF) 2 Page - STMicroelectronics

VB408B Datasheet(HTML) 2 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8

Datasheet Download

Link URL