參數資料
型號: TPS65810RTQ
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: 9-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC56
封裝: 8 X 8 MM, ROHS COMPLIANT, PLASTIC, QFN-56
文件頁數: 9/99頁
文件大?。?/td> 2128K
代理商: TPS65810RTQ
www.ti.com
SLVS658B – MARCH 2006 – REVISED FEBRUARY 2007
ELECTRICAL CHARACTERISTICS – LED AND PWM DRIVERS (continued)
Over recommended operating conditions (typical values at TJ = 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
DLEDPWM = 0% to 99.6%,
DLEDPWM
LED_PWM driver duty cycle
Duty cycle range
set via I2C, 256 steps
0.4% minimum step
SM3_LF_OSC = 0
122
LED_PWM driver duty cycle
256 pulses within repetition
FREP(LEDPWM)
Hz
pattern repetition rate
rate time
SM3_LF_OSC = 1
180
VOL(LEDPWM)
Low level output voltage
I(LED_PWM) = 150 mA
0.5
V
VOH(LEDPWM)
High level output voltage
6
V
RGB DRIVER, RED/GREEN/BLUE OPEN DRAIN OUTPUTS
tFLASH(RGB) = 1 to 8 sec, set
Flashing period range
via I2C, 0.5 sec minimum
sec
tFLASH(RGB)
Flashing period
step, 8 steps
Total accuracy
–20%
+20%
Set via I2C, tFLASH(ON) =
Flash on time range, value selectable by I2C
0.1/0.15/0.2/0.25/0.3/0.4/
sec
tFLASH(ON)
Flash on time
0.5/0.6 Sec
Total accuracy relative to selected value
–20%
+20%
DRGB = 0% to 99.98%, set
DRGB
Duty cycle
Duty cycle range, value selectable via I2C
via I2C, 3.23% minimum
step
00 = (Driver set to
OFF)
V(RED) = V(GREEN) =
01
2.4
4
5.6
ISINK(RGB)
RGB output sink current
V(BLUE) = 2 V, set via I2C
mA
RGB_ISET1,0
10
4.8
8
11.2
11
7
12
16.6
Output low voltage, 8-mA load, RED/GREEN/BLUE
VOL(RGB)
Low-level output voltage
0.3
V
PINS
V(RED)=V(GREEN)=V(BLUE) = 4.7 V, all drivers
ILKG(RGB)
Output off leakage current
1
A
disabled
Copyright 2006–2007, Texas Instruments Incorporated
17
Product Folder Link(s): TPS65810 TPS65811
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