VN9D5D20FNTR datasheet(73/97 Pages) STMICROELECTRONICS

73 / 97 page

Table 62. 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%

148

65%

1/A

KLED

Digital current sense gain: ADCOUT / IOUT

IOUT = 140 mA

-35%

144

35%

1/A

Digital current sense gain: ADCOUT / IOUT

IOUT = 270 mA

-15%

143

15%

1/A

Digital current sense gain: ADCOUT / IOUT

IOUT= 1.35 A

-8%

143

1/A

Digital current sense gain: ADCOUT / IOUT

IOUT = 4 A

-7%

143

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 Minimum ON time for digital current sense availability

150

µs

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

Table 63. LED - Digital Current Sense (7 V < VCC < 18 V, channel 2, 3; TJ = -40 °C to 150 °C)

Symbol

Parameter

Test conditions

Min.

Typ. Max. Unit

KOL

Digital current sense gain: ADCOUT / IOUT

IOUT = 25 mA

-65%

354

65%

1/A

KLED

Digital current sense gain: ADCOUT / IOUT

IOUT = 40 mA

-35%

346

35%

1/A

Digital current sense gain: ADCOUT / IOUT

IOUT = 125 mA

-15%

335

15%

1/A

Digital current sense gain: ADCOUT / IOUT

IOUT = 625 mA

-8%

333

1/A

Digital current sense gain: ADCOUT / IOUT

IOUT = 1.875 A

-7%

333

1/A

IOUT_OFFSET(1)

Output current offset

ISENSE = 000H

-15

IOUT_SAT_LED

Output saturation current in LED mode

ISENSE = 3FFH

2.5

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

150

µs

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

Figure 32. Switching characteristics

CSN

VOUTX

Turn -ON phase

(SOCR Register)

Turn -OFF phase

(SOCR Register)

20%

60%

40%

80%

(dVOUT/dt)on

(dVOUT/dt)off

tdon

tdoff

tpLH

tpHL

VN9D5D20FN

Electrical specifications

DS13579 - Rev 11

page 73/97

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