LP3944ISQEV National Semiconductor, LP3944ISQEV Datasheet - Page 4

• Manufacturer Part Number: LP3944ISQEV
• Description: BOARD EVALUATION LP3944ISQ
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of LP3944ISQEV

• Current - Output / Channel: 25mA
• Outputs And Type: 8, Non-Isolated
• Features: Dimmable, I²C Interface
• Voltage - Input: 2.3 ~ 5.5 V
• Utilized Ic / Part: LP3944
• Core Chip: LP3944
• No. Of Outputs: 8
• Output Current: 25mA
• Dimming Control Type: I2C
• Kit Contents: Board, User Guide
• Development Tool Type: Hardware - Eval/Demo Board
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• Voltage - Output: -

www.national.com
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
Q
w
OL
LEAK
LEAK
2
OL
HOLD
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)
ESD (Note 4)
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
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)
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
Conditions
1.76W
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
V
Junction Temperature
Operating Ambient Temperature
Thermal Resistance (θ
Power Dissipation
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
−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
1.08W
Units
kHz
150V
mA
mA
mA
µA
µA
pF
µA
pF
ns
µs
2 kV
1 kV
V
V
V
V
V
V
V
V
V