VNF9D5F datasheet(80/106 Pages) STMICROELECTRONICS

80 / 106 page

Symbol

Parameter

Test conditions

Min. Typ. Max. Unit

WOFF(2)

Switching losses energy at turn-off

Ch0,1

RL = 10 Ω; SLOPECRx = 00

0.07 0.15

1. See Figure 36.

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

Table 65. LED–Protection and diagnosis

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

ILIMH_ch0,1(1)

DC short-circuit current

VCC = 16 V, TJ = -40 °C

-15%

19.5

15%

VCC = 16 V, TJ = 150 °C

-15%

13.5

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%

15%

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

Table 66. LED–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 = 90 mA

-65%

144

65%

1/A

KLED

Digital current sense gain:

ADCOUT/IOUT

IOUT = 140 mA

-35%

143

35%

1/A

Digital current sense gain:

ADCOUT/IOUT

IOUT = 270 mA

-15%

140

15%

1/A

Digital current sense gain:

ADCOUT/IOUT

IOUT = 1.35 A

-8%

140

1/A

Digital current sense gain:

ADCOUT/IOUT

IOUT = 4 A

-7%

140

1/A

IOUT_OFFSET(1)

Output current offset

ISENSE = 000H

-25

IOUT_SAT_LED

Output saturation current in LED mode

ISENSE = 3FFH

tON_CS(min)_LED(1) Minimum ON time for digital current sense availability

150

μs

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

VNF9D5F

Electrical specifications

DS13946 - Rev 6

page 80/106

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