LP3943ISQ/NOPB National Semiconductor, LP3943ISQ/NOPB Datasheet - Page 2

• Manufacturer Part Number: LP3943ISQ/NOPB
• Description: IC LED DRIVER RGB 24-LLP
• Manufacturer: National Semiconductor
• Series: PowerWise®r
• Type: RGB LED Driverr

Specifications of LP3943ISQ/NOPB

• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 16
• Internal Driver: Yes
• Type - Primary: LED Blinker, Light Management Unit (LMU)
• Type - Secondary: RGB, White LED
• Frequency: 400kHz
• Voltage - Supply: 2.3 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 24-LLP
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 25mA
• Internal Switch(s): Yes
• For Use With: LP3943ISQEV - BOARD EVAL FOR LP3943 FUNLIGHT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Efficiency: -
• Other names: LP3943ISQ; LP3943ISQTR

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LP3943 Pin Out
LP3943 Pin Description
Ordering Information
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
LP3943, Supplied as 1000 Units, Tape and
Reel
LP3943ISQ
Pin #
LED0
LED1
LED2
LED3
LED4
LED5
LED6
LED7
GND
LED8
LED9
LED10
LED11
LED12
LED13
LED14
LED15
RST
SCL
SDA
V
A0
A1
A2
DD
Name
See NS Package Number SQA24C
Output of LED0 Driver
Output of LED1 Driver
Output of LED2 Driver
Output of LED3 Driver
Output of LED4 Driver
Output of LED5 Driver
Output of LED6 Driver
Output of LED7 Driver
Ground
Output of LED8 Driver
Output of LED9 Driver
Output of LED10 Driver
Output of LED11 Driver
Output of LED12 Driver
Output of LED13 Driver
Output of LED14 Driver
Output of LED15 Driver
Active Low Reset Input
Clock Line for I
Serial Data Line for I
Power Supply
Address Input 0
Address Input 1
Address Input 2
LP3943, Supplied as 4500 Units, Tape
and Reel
LP3943ISQX
(Top View)
2
C Interface
2
2
C Interface
Description
20079602
Package Marking
LP3943