Datasheet

www.ti.com
TPS65810
TPS65811
SLVS658B – MARCH 2006 – REVISED FEBRUARY 2007
ELECTRICAL CHARACTERISTICS – LED AND PWM DRIVERS (continued)
Over recommended operating conditions (typical values at T
J
= 25 ° C), application circuit as in Figure 3 (unless otherwise
noted).
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
LED_PWM DRIVER, LED_PWM OPEN DRAIN OUTPUT
D
LEDPWM
= 0% to 99.6%,
D
LEDPWM
LED_PWM driver duty cycle Duty cycle range set via I
2
C, 256 steps
0.4% minimum step
SM3_LF_OSC = 0 122
LED_PWM driver duty cycle 256 pulses within repetition
F
REP(LEDPWM)
Hz
pattern repetition rate rate time
SM3_LF_OSC = 1 180
V
OL(LEDPWM)
Low level output voltage I(LED_PWM) = 150 mA 0.5 V
V
OH(LEDPWM)
High level output voltage 6 V
RGB DRIVER, RED/GREEN/BLUE OPEN DRAIN OUTPUTS
t
FLASH(RGB)
= 1 to 8 sec, set
Flashing period range via I
2
C, 0.5 sec minimum sec
t
FLASH(RGB)
Flashing period
step, 8 steps
Total accuracy – 20% +20%
Set via I
2
C, t
FLASH(ON)
=
Flash on time range, value selectable by I
2
C 0.1/0.15/0.2/0.25/0.3/0.4/ sec
t
FLASH(ON)
Flash on time
0.5/0.6 Sec
Total accuracy relative to selected value – 20% +20%
D
RGB
= 0% to 99.98%, set
D
RGB
Duty cycle Duty cycle range, value selectable via I
2
C via I
2
C, 3.23% minimum
step
00 = (Driver set to
OFF)
V(RED) = V(GREEN) =
01 2.4 4 5.6
I
SINK(RGB)
RGB output sink current V(BLUE) = 2 V, set via I
2
C mA
RGB_ISET1,0
10 4.8 8 11.2
11 7 12 16.6
Output low voltage, 8-mA load, RED/GREEN/BLUE
V
OL(RGB)
Low-level output voltage 0.3 V
PINS
V(RED)=V(GREEN)=V(BLUE) = 4.7 V, all drivers
I
LKG(RGB)
Output off leakage current 1 µ A
disabled
Copyright © 2006 – 2007, Texas Instruments Incorporated Submit Documentation Feedback 17
Product Folder Link(s): TPS65810 TPS65811