LP3359-MSF POWER [Lowpower Semiconductor inc], LP3359-MSF Datasheet - Page 2

• Manufacturer Part Number: LP3359-MSF
• Description: High performance, Current Source For Parallel White-LED Driver
• Manufacturer: POWER [Lowpower Semiconductor inc]

Functional Pin Description
Pin Number
Function Block Diagram
Absolute Maximum Ratings
Operating Conditions
LP3359-datasheet Ver.1.1 Nov.-2005
V
EN/PWM-----------------------------------------------------------------------------------------0.3V to (VIN+0.3V) w/ 6 max
Continuous Power Dissipation ---------------------------------------------------------------------- Internally Limited
DFN-8L , 3 ×3,θ
TSSOP-8L , θ
Junction Temperature (T
Storage Temperature Range ------------------------------------------------------------------------------ -65°C to 150°C
Lead Temp (Soldering, 5sec) ------------------------------------------------------------------------------------------ 260°C
ESD Rating Human Body Model -----------------------------------------------------------------------------------------2kV
Input Voltage (V
Ambient Temperature (T
5-8
1
2
3
4
IN
------------------------------------------------------------------------------------------------------------------0.3V to 6V max
Pin Name
EN/PWM
LEDx
GND
Iset
Vin
JA
JA
----------------------------------------------------------------------------------------------------------- 70°C/W
IN
-------------------------------------------------------------------------------------------------------- 50°C/W
) -------------------------------------------------------------------------------------------------- 3V to 5.5V
Pin Function
Input Voltage
Power Ground.
Active-High Enable Input – There is no internal pull-down resistor.
Current Set Input-The resistor value tied between this pin and ground sets the
output current.
Current Source Outputs 1- 4 - Connect directly to LED’s
A
Fig1.
J
) ---------------------------------------------------------------------------------- -40°C to 85°C
) ---------------------------------------------------------------------------------------------150°C
LP3359 Block Diagram
2
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2
LP3359