LM3530UME-40/NOPB National Semiconductor, LM3530UME-40/NOPB Datasheet - Page 31

• 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

Bit 7
N/A
Bit 6
Data (MSB)
Exponential Mapping (see FIX)
0000000 = LEDs Off
0000001 = 0.08% of Full Scale
:
:
:
1111111 = 100% of Full Scale
Bit 5
Data
TABLE 10. Brightness Control Register Description (0xA0)
FIGURE 23. Brightness Control Register
Bit 4
Data
LED Brightness Data (Bits [6:0]
31
Bit 3
Data
Linear Mapping (see FIX)
0000000 = LEDs Off
0000001 = 0.79% of Full Scale
:
:
:
1111111 = 100% of Full Scale
Bit 2
Data
Bit 1
Data
30086633
Bit 0
Data
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