參數(shù)資料
型號(hào): LM2796TLX
廠(chǎng)商: NATIONAL SEMICONDUCTOR CORP
元件分類(lèi): 顯示驅(qū)動(dòng)器
英文描述: Dual-Display White LED Driver with 3/2x Switched Capacitor Boost
中文描述: LED DISPLAY DRIVER, PBGA18
封裝: 2.10 X 2.40 MM, 0.60 MM HEIGHT, THIN MICRO SMD, 18 PIN
文件頁(yè)數(shù): 2/8頁(yè)
文件大小: 172K
代理商: LM2796TLX
Connection Diagram
18-Bump Thin Micro SMD Package, Large Bump
NS Package Number TLA18
20093802
Pin Description
Pin #s
C1
D2
A3
Pin Names
V
IN
GND
P
OUT
C1+, C1-, C2+,
C2-
EN
Pin Descriptions
Input voltage. Input range: 2.7V to 5.5V.
Ground
Charge pump output. Approximately 1.5xV
IN
Flying capacitor connections.
A1, B2, A5, E1
A7
Enable pin. Logic input. High = normal operation, Low = shutdown (charge
pump and all current sources OFF).
LED Outputs - Group A
D6, E5, D4, E3
D1A, D2A, D3A,
D4A
D1B, D2B, D3B
EN-A
C5, B4, C3
B6
LED Outputs - Group B
Enable for Group-A LEDs (current outputs). Logic input.
High = Group-A LEDs ON. Low = Group A LEDs OFF.
Pulsing this pin with a PWM signal (100Hz-1kHz) can be used to dim LEDs.
Enable for Group-B LEDs (current outputs). Logic input.
High = Group-B LEDs ON. Low = Group B LEDs OFF.
Pulsing this pin with a PWM signal (100Hz-1kHz) can be used to dim LEDs.
Placing a resistor (R
SET
) between this pin and GND sets the LED current for
all LEDs. LED Current = 100 x (1.25V ÷ R
SET
).
E7
EN-B
C7
I
SET
Ordering Information
Order Information
LM2796TL
LM2796TLX
Package
TLA18 Micro SMD
Supplied As
250 Units, Tape & Reel
3000 Units, Tape & Reel
L
www.national.com
2
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