LP3943ISQ/NOPB National Semiconductor, LP3943ISQ/NOPB Datasheet - Page 5

• 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

I
t
t
t
t
t
t
2
CLK-HP
SU
DATA-HOLD
DATA-SU
SU
TRANS
Symbol
Electrical Characteristics
Unless otherwise noted, V
in boldface type apply over the entire junction temperature range for operation, T
Note 1: Absolute Maximum Ratings are limits beyond which damage to the device may occur. Operating Ratings are conditions under which operation of the device
is guaranteed. Operating Ratings do not imply guaranteed performance limits. For guaranteed performance limits and associated test conditions, see the Electrical
Characteristics tables.
Note 2: All voltages are with respect to the potential at the GND pin.
Note 3: The part cannot dissipate more than 400mW.
Note 4: The human-body model is 100 pF discharged through 1.5 kΩ. The machine model is 0Ω in series with 100 pF.
Note 5: Limits are guaranteed. All electrical characteristics having room-temperature limits are tested during production with T
guaranteed by correlating the electrical characteristics to process and temperature variations and applying statistical process control.
Note 6: Each LED pin should not exceed 25 mA and each octal (LED0–LED7; LED8–LED15) should not exceed 100 mA. The package should not exceed a total
of 200 mA.
Note 7: Guaranteed by design.
Typical Performance Characteristics
C INTERFACE (SCL AND SDA PINS)
CLK High Period
Set-Up Time Repeated
START Condition
Data Hold Time
Data Set-Up Time
Set-Up Time for STOP
Condition
Maximum Pulse Width of
Spikes that Must Be
Suppressed by the Input
Filter of Both DATA & CLK
Signals
Parameter
DD
= 5.5V. Typical values and limits appearing in normal type apply for T
(Continued)
(Note 7)
(Note 7)
(Note 7)
(Note 7)
(Note 7)
(Note 7)
(T
Frequency vs. Temp
Conditions
V
A
DD
= −40˚C to +85˚C),
= 2.3V to 3.0V
5
Typical
20079617
50
J
= −40˚C to +125˚C. (Note 5)
Min
300
100
0.6
0.6
0.6
J
J
= 25˚C. All hot and cold limits are
Limit
= 25˚C. Limits appearing
Max
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Units
µs
µs
ns
ns
µs
ns