CAT4026_11 Datasheet, PDF(4/14 Page) ON Semiconductor

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CAT4026_11 Datasheet, PDF (4/14 Pages) ON Semiconductor – 6-Channel LED Controller

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CAT4026

Table 4. ELECTRICAL CHARACTERISTICS (VDD = 5 V, VPWM = VDD, VANLG = 3.3 V, for typical values TA = 25Â°C, for min/max

values TA = â40Â°C to +85Â°C; unless otherwise noted.) (continued)

Parameter

Test Conditions

Symbol Min Typ Max Unit

TIMING

PWM Enable Time

PWM Disable Time

Turnâoff Shutdown Time,

PWM falling to shutdown

Channel to channel turn on and turn off

delay (staggering)

VPWM = 0 V to VDD

Iout = 0 mA to 90% of Iout(nom)

VPWM = VDD to 0 V

Iout = Iout(nom) to 10% of Iout(nom)

VPWM = 5 V to 0 V

Iout = Iout(nom) to shutdown mode

tEN

tDIS

tOFF

tCC

800

THERMAL SHUTDOWN

Thermal Shutdown Temperature

Thermal Shutdown Hysteresis

TSD

150

Â°C

TSH

Â°C

PWM

SHUTDOWN

Tdis

LED CURRENT

SHUTDOWN 0 mA

10%

Ten

90%

Toff

ILED = 1 V / RSET

SHUTDOWN

LOGIC IS

RESET

0 mA

VDD QUIESCENT

CURRENT

SHUTDOWN 0 mA

Figure 2. Timing Diagram

SHUTDOWN

0 mA

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