LP3958TL/NOPB National Semiconductor, LP3958TL/NOPB Datasheet - Page 10

• Manufacturer Part Number: LP3958TL/NOPB
• Description: IC LED DRVR WT/CLR BCKLT 25-USMD
• Manufacturer: National Semiconductor
• Series: PowerWise®r
• Type: Backlight, White LED, Color LEDr

Specifications of LP3958TL/NOPB

• Constant Current: Yes
• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 5
• Internal Driver: Yes
• Type - Primary: Backlight, Light Management Unit (LMU)
• Type - Secondary: White LED
• Frequency: 1MHz
• Voltage - Supply: 3 V ~ 5.5 V
• Voltage - Output: 18V
• Mounting Type: Surface Mount
• Package / Case: 25-MicroSMD
• Operating Temperature: -30°C ~ 85°C
• Internal Switch(s): Yes
• Efficiency: 90%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output / Channel: -
• Other names: LP3958TLTR

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Boost Converter Typical Performance Characteristics
Vin = 3.6V, Vout = 18.0V if not otherwise stated
Boost Line Regulation 3.0V - 3.6V, no load
Boost Converter Efficiency
Battery Current vs Voltage
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Boost Typical Waveforms at 70mA Load
Boost Turn On Time with No Load
Boost Output Voltage vs. Current
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