LM3530UME-40/NOPB National Semiconductor, LM3530UME-40/NOPB Datasheet - Page 34

• Manufacturer Part Number: LM3530UME-40/NOPB
• Description: IC LED DRVR PROGRAM I2C 12USMD
• Manufacturer: National Semiconductor
• Series: PowerWise®r

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

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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)