TLC5928_1 Datasheet, PDF (8/28 Pages) Texas Instruments – 16-Channel, Constant-Current LED Driver with LED Open Detection

TLC5928
SBVS120B – JULY 2008 – REVISED OCTOBER 2008...................................................................................................................................................... www.ti.com
PARAMETER MEASUREMENT INFORMATION
PIN EQUIVALENT INPUT AND OUTPUT SCHEMATIC DIAGRAMS
VCC
VCC
INPUT
SOUT
GND
Figure 1. SIN, SCLK, LAT, BLANK
OUTn
GND
Figure 2. SOUT
TEST CIRCUITS
GND
Figure 3. OUT0 Through OUT15
VCC
R_L
V_CC
IREF
R_IREF
OUTn
GND
C_L(1)
V_LED
V_CC
VCC
SOUT
GND
C_L(1)
(1) C_L includes measurement probe and jig capacitance.
(1) C_L includes measurement probe and jig capacitance.
Figure 4. Rise Time and Fall Time Test Circuit for OUTn
Figure 5. Rise Time and Fall Time Test Circuit for SOUT
VCC OUT0
V_CC
IREF
OUTn
R_IREF
GND OUT15
VOUT_FIX
VOUTn
Figure 6. Constant Current Test Circuit for OUTn
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