DD313-4 Datasheet, PDF (6/15 Pages) Silicon Touch Technology Inc. – LED open circuit detection

DD313-4
Switching Characteristics⁴
At Vcc = 6 V to 40 V, TA = -40C to 85C, CL = 15 pF, RL = 82 
PARAMETER
Propagation delay
t_D0
t_D1
t_R0
Rise time
t_R1
t_F0
Fall time
t_F1
TEST CONDITIONS
PWM IN to IOUT (rising edge)
PWM IN to IOUT (falling edge)
VOUT = 1 V; IOUT = 20 mA
VOUT = 1.1 V; IOUT = 50 mA
VOUT = 1.25V; IOUT = 100 mA
VOUT = 1 V; IOUT = 20 mA
VOUT = 1.1 V; IOUT = 50 mA
VOUT = 1.25V; IOUT = 100 mA
MIN
TYP
MAX UNIT
73
ns
28
ns
77
ns
101
ns
128
ns
78
ns
111
ns
139
ns
Parameter Measurement Information
Test Circuits
Vcc
R_EXT
Vcc
REXT
GND
IOUT
R_L
V_LED
C_L
Figure 1. Rise and fall time test circuit for IOUT
Vcc
R_EXT
Vcc
REXT
GND
IOUT
VOUT
Figure 2. Constant current test circuit for IOUT
4 _{IOUT switching characteristics are given in configuration register section}
40V Adjustable Current Sink Linear LED Driver
Version:PRE.002
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