LM3431QMH/NOPB National Semiconductor, LM3431QMH/NOPB Datasheet - Page 9

• Manufacturer Part Number: LM3431QMH/NOPB
• Description: IC LED DRVR HP CONS CURR 28TSSOP
• Manufacturer: National Semiconductor
• Series: PowerWise®r
• Type: High Power, Constant Currentr

Specifications of LM3431QMH/NOPB

• Constant Current: Yes
• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 3
• Internal Driver: No
• Type - Primary: Automotive
• Type - Secondary: High Brightness LED (HBLED)
• Frequency: 651kHz ~ 1.1MHz
• Voltage - Supply: 4.5 V ~ 36 V
• Mounting Type: Surface Mount
• Package / Case: 28-TSSOP Exposed Pad, 28-eTSSOP, 28-HTSSOP
• Operating Temperature: -40°C ~ 125°C
• Current - Output / Channel: 200mA
• Internal Switch(s): Yes
• Efficiency: 88%
• Operating Supply Voltage (typ): 5/9/12/15/18/24V
• Number Of Segments: 6
• Operating Temperature (min): -40C
• Operating Temperature (max): 125C
• Operating Temperature Classification: Automotive
• Package Type: TSSOP EP
• Pin Count: 28
• Mounting: Surface Mount
• Power Dissipation: 3.1W
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 36V
• Led Driver Application: Display Backlighting, Automotive Lighting
• No. Of Outputs: 3
• Output Current: 200mA
• Output Voltage: 40V
• Input Voltage: 5V To 37V
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Lead Free Status / Rohs Status: Compliant
• Other names: LM3431QMH

Block Diagram
30041116
9
www.national.com