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參數(shù)資料
| 型號(hào)： | LTC3206EUF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類(lèi)： | 顯示驅(qū)動(dòng)器 |
| 英文描述： | I2C Multidisplay LED Controller |
| 中文描述： | LED DISPLAY DRIVER, BCC24 |
| 封裝： | 4 X 4 MM, 0.75 MM HEIGHT, PLASTIC, QFN-24 |
| 文件頁(yè)數(shù)： | 5/16頁(yè) |
| 文件大?。?/td> | 204K |
| 代理商： | LTC3206EUF |
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LTC3206
5
3206f
SUB1, SUB2 (Pins 1, 2):
Current Source Outputs for the
SUB Display White LEDs. The current for the SUB display
is controlled by the resistor on the I
MS
pin.The LEDs on the
SUB display can be set to exponentially increasing bright-
ness levels from 0.78% to 100% of full-scale. See Table 1.
C1
+
, C1
–
, C2
+
, C2
–
(Pins 5, 4, 6, 3):
Charge Pump Flying
Capacitor Pins. A 2.2
μ
F X7R or X5R ceramic capacitor
should be connected from C1
+
to C1
–
and another from
C2
+
to C2
–
.
DV
CC
(Pin 7):
This pin sets the logic reference level of the
SDA, SCL and ENRGB/S pins.
SDA (Pin 8):
Input Data for the I
2
C Serial Port. Serial data
is shifted in one bit per clock to control the LTC3206 (see
Figures 3 and 4). The logic level for SDA is referenced to
DV
CC
.
SCL (Pin 9):
Clock Input for the I
2
C Serial Port (see Figures
3 and 4). The logic level for SCL is referenced to DV
CC
.
ENRGB/S (Pin 10):
This pin is used to enable and disable
either the RED, GREEN and BLUE current sources or the
SUB display depending on which is programmed to re-
spond via the I
2
C port. Once ENRGB/S is brought high, the
LTC3206 illuminates the RGB or SUB display with the
color combination or intensity that was previously pro-
grammed via the I
2
C port. The logic level for ENRGB/S is
referenced to DV
CC
.
I
MS
(Pin 11):
This pin controls the maximum amount of
LED current in both the MAIN and SUB LED displays. The
I
MS
pin servos to 0.6V when there is a resistor to ground.
The full scale (100%) currents in the MAIN and SUB
display LEDs will be 400 times the current at the I
MS
pin.
I
RGB
(Pin 12):
This pin controls the amount of LED current
at the RED, GREEN and BLUE LED pins. The I
RGB
pin
servos to 0.6V when there is a resistor to ground. The
current in the RED, GREEN and BLUE LEDs will be 400
times the current at the I
RGB
pin when programmed to full
scale.
SGND (Pin 13):
Ground for the control logic. This pin
should be connected directly to a low impedance ground
plane.
PU
CPO (Pin 14):
Output of the Charge Pump. This output
should be used to power white, blue and “true” green
LEDs. Red LEDs can be powered from V
IN
or CPO. An X5R
or X7R low impedance (ceramic) 2.2
μ
F charge storage
capacitor is required on CPO.
V
IN
(Pin 15):
Supply Voltage for the Charge Pump. The V
IN
pin should be connected directly to the battery and by-
passed with a 2.2
μ
F X5R or X7R ceramic capacitor.
RED, GREEN, BLUE (Pins 16, 17, 18):
Current Source
Outputs for the RGB Illuminator LEDs. The currents for the
RGB LEDs are controlled by the resistor on the I
RGB
pin.
The RGB LEDs can independently be set to any duty cycle
from 0/15 through 15/15 under software control giving a
total of 16 shades per LED and 4096 colors for the
illuminator. See Table 1. The RGB LEDs are modulated at
1/240 the speed of the charge pump oscillator (approxi-
mately 4kHz).
MAIN1-MAIN4 (Pins 22, 21, 20, 19):
Current Source
Outputs for the Main Display White LEDs. The current for
the main display is controlled by the resistor on the I
MS
pin. The LEDs on the MAIN display can be set to 16
exponentially increasing brightness steps from 0.78% to
100% of full scale. See Table 1.
AUX1, AUX2 (Pins 23, 24):
Current source outputs for the
auxiliary white LEDs. The auxiliary current sources can be
individually assigned to be either MAIN display or SUB
display LEDs via the I
2
C serial port. When either AUX1 and/
or AUX2 are assigned to the MAIN display they will have
the same power setting as the other MAIN LEDs. Likewise,
when either AUX1 and/or AUX2 are assigned to the SUB
display they will have the same power setting as the other
SUB LEDs. The currents for the AUX1 and AUX2 pins are
controlled by the resistor on the I
MS
pin.
PGND (Pin 25, Exposed Pad):
Power Ground for the
Charge Pump. This pin should be connected directly to a
low impedance ground plane.
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| LTC3206EUF#PBF | 功能描述:IC LED DRVR WT/RGB BCKLGT 24-QFN RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - LED 驅(qū)動(dòng)器 系列:- 標(biāo)準(zhǔn)包裝:6,000 系列:- 恒定電流:- 恒定電壓:- 拓?fù)?開(kāi)路漏極，PWM 輸出數(shù):4 內(nèi)部驅(qū)動(dòng)器:是 類(lèi)型 - 主要:LED 閃爍器 類(lèi)型 - 次要:- 頻率:400kHz 電源電壓:2.3 V ~ 5.5 V 輸出電壓:- 安裝類(lèi)型:表面貼裝 封裝/外殼:8-VFDFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:8-HVSON 包裝:帶卷 (TR) 工作溫度:-40°C ~ 85°C 其它名稱:935286881118PCA9553TK/02-TPCA9553TK/02-T-ND |
| LTC3206EUF#TR | 功能描述:IC LED DRVR WT/RGB BCKLGT 24-QFN RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - LED 驅(qū)動(dòng)器 系列:- 標(biāo)準(zhǔn)包裝:6,000 系列:- 恒定電流:- 恒定電壓:- 拓?fù)?開(kāi)路漏極，PWM 輸出數(shù):4 內(nèi)部驅(qū)動(dòng)器:是 類(lèi)型 - 主要:LED 閃爍器 類(lèi)型 - 次要:- 頻率:400kHz 電源電壓:2.3 V ~ 5.5 V 輸出電壓:- 安裝類(lèi)型:表面貼裝 封裝/外殼:8-VFDFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:8-HVSON 包裝:帶卷 (TR) 工作溫度:-40°C ~ 85°C 其它名稱:935286881118PCA9553TK/02-TPCA9553TK/02-T-ND |
| LTC3206EUF#TRPBF | 功能描述:IC LED DRVR WT/RGB BCKLGT 24-QFN RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - LED 驅(qū)動(dòng)器 系列:- 標(biāo)準(zhǔn)包裝:6,000 系列:- 恒定電流:- 恒定電壓:- 拓?fù)?開(kāi)路漏極，PWM 輸出數(shù):4 內(nèi)部驅(qū)動(dòng)器:是 類(lèi)型 - 主要:LED 閃爍器 類(lèi)型 - 次要:- 頻率:400kHz 電源電壓:2.3 V ~ 5.5 V 輸出電壓:- 安裝類(lèi)型:表面貼裝 封裝/外殼:8-VFDFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:8-HVSON 包裝:帶卷 (TR) 工作溫度:-40°C ~ 85°C 其它名稱:935286881118PCA9553TK/02-TPCA9553TK/02-T-ND |
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