LM3530UME-40/NOPB National Semiconductor, LM3530UME-40/NOPB Datasheet - Page 34
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LM3530UME-40/NOPB
Manufacturer Part Number
LM3530UME-40/NOPB
Description
IC LED DRVR PROGRAM I2C 12USMD
Manufacturer
National Semiconductor
Series
PowerWise®r
Datasheet
1.LM3530UME-40NOPB.pdf
(44 pages)
Specifications of LM3530UME-40/NOPB
Topology
PWM, Step-Up (Boost)
Number Of Outputs
1
Internal Driver
Yes
Type - Primary
Backlight
Type - Secondary
White LED
Frequency
500kHz
Voltage - Supply
2.7 V ~ 5.5 V
Mounting Type
Surface Mount
Package / Case
12-UFBGA
Operating Temperature
-40°C ~ 85°C
Current - Output / Channel
Adjustable
Led Driver Application
LED Backlighting, Portable Electronics
No. Of Outputs
1
Output Current
29.5mA
Output Voltage
40V
Input Voltage
2.7V To 5.5V
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Output
-
Other names
LM3530UME-40TR
www.national.com
Zone Boundary
(Default)
Boundary 0,
Active ALS input is less than 200
mV
Boundary 1,
Active ALS input is between 200 mV
and 400 mV
Boundary 2,
Active ALS input is between 400 mV
and 600 mV
Boundary 3,
Active ALS input is between 600 mV
and 800 mV
Boundary 4,
Active ALS input is greater than
800mV
TABLE 11. Zone Boundary and Zone Target Default Mapping
Zone Target
Register
(Default)
0x19
0x33
0x4C
0x66
0x7F
34
Full-Scale
Current (Default)
19 mA
19 mA
19 mA
19 mA
19 mA
Linear Mapping
(Default)
19.69% (3.74 µA) 0.336% (68.4 µA)
40.16% (7.63 µA) 1.43% (272 µA)
59.84% (11.37
mA)
80.31% (15.26
mA)
100% (19 mA)
Exponential
Mapping
(Default)
5.78% (1.098 mA)
24.84% (4.72 mA)
100% (19 mA)