L99LD01 datasheet(46/69 Pages) STMICROELECTRONICS

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Electrical characteristics

L99LD01

46/69

DocID025319 Rev 3

Electrical characteristics

Values specified in this section are for 5.6 V

≤ V

S ≤ 24 V; -40 °C ≤ Tj ≤ 150 °C, unless

otherwise specified

Table 17. VS and VCC1 pin characteristics

Symbol

Parameter

Test condition

Min

Typ

Max

Unit

Operative battery voltage

5.6

Supply current consumption in

continuous mode (L.F.

PWM = 100 %)

VS =13.5V; FREQ = 300 kHz;

ICC1 =ICC2 =IC5V =0

IS_STBY

Supply current consumption in

stand by mode

Enable = Low; LHM,CSN,PWM,

INP_OV = open; VNRES ≤ 5.5 V;

VS =13.5 V; Tj =25ºC

µA

VSMIN

Minimum VS required for

reaching VCC1 nominal value

VS ramp up

4.8

5.2

5.6

VSMIN_HYS

VSMIN hysteresis

VS ramp down

0.2

tVSM

VSMIN filtering time

µs

VCC1

D.C. logic supply output voltage 1 < -ICC1 <10mA

4.9

5.1

-ICC1

Output current capability

VS =13.5V; VCC1 =VCC1_1mA -

0.1 V(1)

VCC1_DROP

Min voltage drop of VCC1

respect to VS:

VCC1_DROP =min (VS - VCC1)

-ICC1 =10mA

500

VCC1_LINE

Line regulation voltage

-ICC1 = 10 mA;

VCC1@5.6 – VCC1@24

5mV

VCC1_LOAD

Load regulation voltage

-ICC1 = 1 to 10 mA; VS = 13.5 V

VCC1_FAIL

VCC1 fail detection threshold

(2)

VS ≥VSMIN; VCC1 rising

2.4

2.6

2.8

VS ≥VSMIN; VCC1 falling

1.9

2.1

2.3

tLMODERR

Filtering time for LMODE error

µs

tOC

Filtering time for LED

overcurrent

µs

tLEDOV

Filtering time for LED

overvoltage

µs

tWD1

1st watchdog time-out period

100

135

tWD2

2nd watchdog time-out period

170

200

275

tV1F

Internal filtering time for vcc1 fail

detection

VS ≥ VSMIN

1.7

2.75

µs

tSHTV1A

Time to detect a short on V1

regulator at turn-on

VS ≥ VSMIN; VCC1 <VCC1_FAIL;

≥ t

SHTV1A

4ms

tSHTV1B

Time to detect a short on V1

regulator at turn-on

VS ≥ VSMIN;

VCC1_FAIL ≤ VCC1 ≤ VCC1_TH;

≥ t

SHTV1B

100

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