LP3950SL/NOPB National Semiconductor, LP3950SL/NOPB Datasheet - Page 7

• Manufacturer Part Number: LP3950SL/NOPB
• Description: IC LED DRVR WHITE BCKLGT 32-TSCP
• Manufacturer: National Semiconductor
• Series: PowerWise®r
• Type: Backlight, White LED (I²C Interface)r

Specifications of LP3950SL/NOPB

• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 6
• Internal Driver: Yes
• Type - Primary: Flash/Torch, LED Blinker, Light Management Unit (LMU)
• Type - Secondary: RGB, White LED
• Frequency: 2MHz
• Voltage - Supply: 2.7 V ~ 2.9 V
• Voltage - Output: 5V
• Mounting Type: Surface Mount
• Package / Case: 32-Laminate TCSP
• Operating Temperature: -40°C ~ 85°C
• Internal Switch(s): Yes
• Efficiency: 90%
• Led Driver Application: Mobile Phone Display Lighting, General LED Lighting
• No. Of Outputs: 6
• Output Current: 300mA
• Output Voltage: 5.3V
• Input Voltage: 3V To 7.2V
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output / Channel: -
• Other names: LP3950SL/CSP1; LP3950SLTR

LOGIC INPUTS SS, SI, SCK/SCL, PWM_LED, IF_SEL
V
V
I
f
LOGIC OUTPUT SO
V
V
I
LOGIC I/O SDA
V
LOGIC INPUTS DME, AMODE (Internal pull down 1 MΩ)
V
V
I
SCL
L
IL
IH
OL
OH
OL
IL
IH
Modes of Operation
Logic Interface Characteristics
(1.80V ≤ V
ambient temperature range (−40˚C ≤ T
Symbol
DDIO
Input Low Level
Input High Level
Logic Input Current
Clock Frequency
Output Low Level
Output High Level
Output Leakage Current V
Output Low Level
Input Low Level
Input High Level
≤ V
Parameter
DD1,2
V). Limits in standard typeface are for T
(Continued)
A
I
SPI Mode
I
I
I
2
SO
SO
SDA
SO
C Mode
≤ +85˚C).
= 3.0 mA
= −3.0 mA
= 2.8V
= 3.0 mA
Conditions
7
J
= +25˚C. Limits in boldface type apply over the operating
V
V
V
DDIO
DDIO
DDIO
−1.0
Min
− 0.5
− 0.5
− 0.5
V
DDIO
20129306
Typ
0.3
0.3
− 0.3
Max
400
0.5
1.0
0.5
1.0
0.5
0.5
8
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Units
MHz
kHz
µA
µA
V
V
V
V
V
V
V