lm2756tmx National Semiconductor Corporation, lm2756tmx Datasheet - Page 2

• Manufacturer Part Number: lm2756tmx
• Description: Multi-display Inductorless Led Driver With 32 Exponential Dimming Steps In ?smd
• Manufacturer: National Semiconductor Corporation

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Order Information
LM2756TM
LM2756TMX
Connection Diagram
Pin Descriptions
Ordering Information
A1, C1, B1, B2
D3, E3,E4, D4
TMD20AAA
Bump #s
C4, B4
A4, D1
C3
D2
C2
A3
A2
B3
E1
E2
C1+, C1-, C2+, C2-
Pin Names
D1A-D4A
D53, D62
HWEN
SDIO
V
GND
D1C
D1B
SCL
I
V
SET
OUT
IN
Package
TMD20AAA
Input voltage. Input range: 2.7V to 5.5V.
Charge Pump Output Voltage
Flying Capacitor Connections
LED Drivers - GroupA
LED Drivers - Configurable Current Sinks. Can be assigned to GroupA or GroupB
LED Drivers - GroupB
LED Driver - Indicator LED
Placing a resistor (R
DxA , DxB, D53, D62 and D1C LEDs.
Full-Scale LED Current = 189 × (1.25V ÷ R
Hardware Enable Pin. High = Normal Operation, Low = RESET
Serial Data Input/Output Pin
Serial Clock Pin
Ground
NS Package Number TMD20AAA
20 Bump µSMD Package
Minimum Layout
2
SET
) between this pin and GND sets the full-scale LED current for
30009741
Pin Descriptions
Supplied As
250 Units, Tape & Reel
3000 Units, Tape & Reel
SET
)
30009702