LM3509SDX National Semiconductor Corporation, LM3509SDX Datasheet - Page 9
LM3509SDX
Manufacturer Part Number
LM3509SDX
Description
High Efficiency Boost For White Led S And/or Oled Displays With Dual Current Sinks And I2c Compatible Brightness Control
Manufacturer
National Semiconductor Corporation
Datasheet
1.LM3509SDX.pdf
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(UNI = '1', R
LED Current Matching vs. CODE (Note 11)
(I
MAIN
, I
Shutdown Current vs. V
SUB
LED Current vs CODE
SET
, I
IDEAL
= 12kΩ, T
, R
SET
A
= 12kΩ±0.05%)
= -40°C to +85°C)
IN
30004322
30004324
30004320
9
I
LED
vs Current Source Headroom Voltage
Switching Supply Current vs. V
LED Current Accuracy vs CODE
(R
(V
SET
IN
= 3V, UNI = '0')
= 12kΩ±0.05%)
30004321
30004323
30004360
IN
www.national.com
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