LP3943ISQ/NOPB National Semiconductor, LP3943ISQ/NOPB Datasheet - Page 2
![IC LED DRIVER RGB 24-LLP](/photos/6/56/65646/14-24-llp_sml.jpg)
LP3943ISQ/NOPB
Manufacturer Part Number
LP3943ISQ/NOPB
Description
IC LED DRIVER RGB 24-LLP
Manufacturer
National Semiconductor
Series
PowerWise®r
Type
RGB LED Driverr
Datasheet
1.LP3943ISQNOPB.pdf
(13 pages)
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
LP3943ISQTR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LP3943ISQ/NOPB
Manufacturer:
TI
Quantity:
8 102
Part Number:
LP3943ISQ/NOPB
Manufacturer:
TI/德州仪器
Quantity:
20 000
www.national.com
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