VNF9D5F datasheet(78/108 Pages) STMICROELECTRONICS

78 / 108 page

Symbol

Parameter

Test conditions

Min. Typ. Max. Unit

tdoff(1)

Turn-off delay time Ch0,1 at

TJ = 25 °C to 150 °C

Fail-safe mode, bulb mode, from DIx

falling to 80% VOUT; RL = 2.4 Ω;

SLOPECRx = 00

µs

tskew(1)

Turn-off turn-on time Ch0,1 at

TJ = 25 °C to 150 °C

Differential Pulse skew (tdoff - tdon);

RL = 2.4 Ω; SLOPECRx = 00

-35

µs

(dVOUT/dt)on(1)

Turn-on voltage slope Ch0,1 at

TJ = 25 °C to 150 °C

VOUT = 2.6 V to 7.8 V; RL = 2.4 Ω

SLOPECRx = 00

0.16 0.40 0.62 V/µs

VOUT = 2.6 V to 7.8 V; RL = 2.4 Ω

SLOPECRx = 01

0.21 0.42 0.64 V/µs

VOUT = 2.6 V to 7.8 V; RL = 2.4 Ω

SLOPECRx = 10

0.23 0.44 0.68 V/µs

VOUT = 2.6 V to 7.8 V; RL = 2.4 Ω

SLOPECRx = 11

0.25 0.46 0.73 V/µs

(dVOUT/dt)off(1)

Turn-off voltage slope Ch0,1 at

TJ = 25 °C to 150 °C

VOUT = 10.4 V to 5.2 V; RL = 2.4 Ω

SLOPECRx = 00

0.13 0.40 0.60 V/µs

VOUT = 10.4 V to 5.2 V; RL = 2.4 Ω

SLOPECRx = 01

0.16 0.48 0.70 V/µs

VOUT = 10.4 V to 5.2 V; RL = 2.4 Ω

SLOPECRx = 10

0.21 0.60 0.86 V/µs

VOUT = 10.4 V to 5.2 V; RL = 2.4 Ω

SLOPECRx = 11

0.25 0.72 0.98 V/µs

WON(2)

Switching losses energy at turn-on

Ch0,1

RL = 2.4 Ω; SLOPECRx = 00

3.6

WOFF(2)

Switching losses energy at turn-off

Ch0,1

RL = 2.4 Ω; SLOPECRx = 00

0.52

0.9

1. See Figure 37. Switching characteristics.

2. Parameter specified by design and evaluated by characterization, not tested in production.

Table 61. Bulb–Protection and diagnostic

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

ILIMH_ch0,1(1)

DC short-circuit current

VCC = 16 V, TJ = -40 °C

-15%

15%

VCC = 16 V, TJ = 150 °C

-15%

57.5

15%

ILIMH_ch0,1 at 19 V DC short-circuit current

VCC = 19 V, TJ = -40 °C

-15%

15%

VCC = 19 V, TJ = 150 °C

-15%

44.5

15%

ILIMH_ch0,1 at 22 V DC short-circuit current

VCC = 22 V, TJ = 25 °C

VDEMAG

Turn-off output voltage clamp

IOUT = 1 A; VIN0,1 = 0 V;

L = 6 mH; 25 °C < TJ < 150 °C

VCC–36 VCC–38 VCC–45

1. ILIMH_ch0,1 ensured between 7 V and 16 V, -40 °C < TJ < 150 °C.

Table 62. Bulb–Digital current sense (7 V < VCC < 18 V, channel 0, 1; TJ = -40 °C to 150 °C)

Symbol

Parameter

Test conditions

Min.

Typ. Max. Unit

KOL

Digital current sense gain: ADCOUT/IOUT

IOUT = 350 mA

-65%

65%

1/A

KLED

Digital current sense gain: ADCOUT/IOUT

IOUT = 600 mA

-35%

35%

1/A

Digital current sense gain: ADCOUT/IOUT

IOUT = 1.1 A

-15%

15%

1/A

VNF9D5F

Electrical specifications

DS13946 - Rev 8

page 78/108

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