VN808CM datasheet(4/14 Pages) STMICROELECTRONICS

4 / 14 page

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VN808CM

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Table 3.

Thermal data

Note:

1. When mounted on FR4 printed circuit board with 0.5cm2 of copper area ( at least 35

μ think )

connected to all TAB pins.

Electrical Characteristics (10.5V < VCC < 32V; -40°C < TJ < 125°C; unless otherwise

specified)

Table 4.

Power Section

Table 5.

Switching ( VCC = 24V )

Symbol

Parameter

Value

Unit

RthJC

Thermal resistance junction-case

Max

1.3

°C/W

RthJA

Thermal resistance junction-ambient Note:1Max

°C/W

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VCC

Operating supply voltage

10.5

VUSD

Undervoltage shutdown

10.5

RON

On state resistance

IOUT = 0.5A; TJ = 25°C

IOUT = 0.5A;

160

280

Supply current

OFF state; VCC = 24V; TCASE = 25°C

ON state( all channels ON); VCC = 24V

TCASE = 100°C

150

μA

ILGND

Output current at turn-off

VCC = VSTAT = VIN = VGND = 24V

VOUT = 0V

1mA

IL(off)

OFF state output current VIN = VOUT = 0V;

μA

VOUT(off)

OFF state output voltage VIN = 0V; IOUT = 0A;

td(Vccon)

Power-on delay time

from VCC rising edge

Figure 4.

1ms

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

tON

Turn-on time

RL = 48Ω from 80% VOUT Figure 3.

100

μs

tOFF

Turn-off time

RL = 48Ω to 10% VOUT Figure 3.

150

μs

dVOUT/

dt(on)

Turn-on voltage slope

RL = 48Ω from VOUT = 2.4V to

VOUT = 19.2V Figure 3.

0.7

/μs

dVOUT/

dt(off)

Turn-off voltage slope

RL = 48Ω from VOUT = 21.6V to

VOUT = 2.4V Figure 3.

1.5

/μs

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