LP3943ISQ National Semiconductor, LP3943ISQ Datasheet - Page 4

• Manufacturer Part Number: LP3943ISQ
• Description: LED Driver IC
• Manufacturer: National Semiconductor

Specifications of LP3943ISQ

• Driver Case Style: LLP
• Peak Reflow Compatible (260 C): No
• Leaded Process Compatible: No
• No. Of Pins: 24
• Package / Case: 24-LLP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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POWER SUPPLY
V
I
∆I
V
t
LED
V
V
I
I
C
ALL DIGITAL PINS (EXCEPT SCL AND SDA PINS)
V
V
I
C
I
V
V
V
I
F
t
t
Q
w
OL
LEAK
LEAK
2
OL
HOLD
CLK-LP
Symbol
CLK
Absolute Maximum Ratings
1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
Unless otherwise noted, V
in boldface type apply over the entire junction temperature range for operation, T
DD
POR
IL
IH
IL
IH
IL
IH
OL
I/O
IN
C INTERFACE (SCL AND SDA PINS)
Q
V
A0, A1, A2, SCL, SDA, RST
Voltage on LED pins
Junction Temperature
Storage Temperature
Power Dissipation (Note 3)
DD
(Collectively called digital pins)
Supply Voltage
Supply Current
Additional Standby Current
Power-On Reset Voltage
Reset Pulse Width
LOW Level Input Voltage
HIGH Level Input Voltage
Low Level Output Current
(Note 6)
Input Leakage Current
Input/Output Capacitance
LOW Level Input Voltage
HIGH Level Input Voltage
Input Leakage Current
Input Capacitance
LOW Level Input Voltage
HIGH Level Input Voltage
LOW Level Output Voltage
LOW Level Output Current
Clock Frequency
Hold Time Repeated START
Condition
CLK Low Period
Parameter
DD
= 5.5V. Typical values and limits appearing in normal type apply for T
V
−65˚C to 150˚C
No Load
Standby
V
at 4.3V
V
V
V
V
V
V
V
(Note 7)
V
V
(Note 7)
(Note 7)
(Note 7)
SS
DD
OL
OL
OL
OL
OL
OL
DD
IN
OL
(Notes 2,
−0.5V to 6V
−0.5V to 6V
= 0V (Note 7)
= 0.4V, V
= 0.4V, V
= 0.4V, V
= 0.7V, V
= 0.7V, V
= 0.7V, V
= 0.4V
= 5.5V, every LED pin
= 3.6, V
400 mW
Conditions
150˚C
IN
6V
DD
DD
DD
DD
DD
DD
= 0V or V
= 2.3V
= 3.0V
= 5.0V
= 2.3V
= 3.0V
= 5.0V
4
Operating Ratings
ESD (Note 4)
V
Junction Temperature
Operating Ambient Temperature
Thermal Resistance (θ
DD
DD
Human Body Model
Machine Model
Charge Device Model
LLP24 (Note 3)
Typical
350
2.0
1.8
2.6
2.3
6.5
10
J
5
= −40˚C to +125˚C. (Note 5)
JA
)
0.7V
−0.5
−0.5
Min
-0.5
2.3
2.0
2.0
0.6
1.3
−1
−1
12
15
15
20
25
9
0
3
DD
(Notes 1, 2)
J
Limit
= 25˚C. Limits appearing
Max
0.3V
0.2V
1.96
550
400
5.5
0.8
5.5
0.8
5.5
5.5
5
2
1
5
1
5
−40˚C to +125˚C
−40˚C to +85˚C
DD
DD
2.3V to 5.5V
37˚C/W
Units
kHz
200V
mA
mA
mA
µA
µA
pF
µA
pF
ns
µs
µs
2 kV
1 kV
V
V
V
V
V
V
V
V
V