TL4242QKTTRQ1 Datasheet, PDF (5/21 Pages) Texas Instruments – ADJUSTABLE LED DRIVER

TL4242-Q1
www.ti.com
SLVS732E – JULY 2010 – REVISED JULY 2013
STATUS OUTPUT (ST) ELECTRICAL CHARACTERISTICS
over recommended operating free-air temperature range, V_I = 13.5 V, R_REF = 0.47 Ω, V_PWM,H, T_A = –40°C to 105°C (QFN),
T_A = –40°C to 125°C (SFM), all voltages with respect to ground (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
V_IQL
V_IQH
V_STL
I_STLK
Lower status-switching threshold
Upper status-switching threshold
Low-level status voltage
Leakage current
ST = L
ST = H
I_ST = 1.5 mA
V_ST = 5 V
15
25
mV
30
40 mV
0.4 V
5 μA
STATUS DELAY (D) ELECTRICAL CHARACTERISTICS
over recommended operating free-air temperature range, V_I = 13.5 V, R_REF = 0.47 Ω, V_PWM,H, T_A = –40°C to 105°C (QFN),
T_A = –40°C to 125°C (SFM), all voltages with respect to ground (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
t_STHL
t_STLH
Delay time, status reaction
Delay time, status release
C_D = 47 nF, ST H→L
C_D = 47 nF, ST L→H
6
10
14 ms
10
20 μs
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