LM3431QMH/NOPB National Semiconductor, LM3431QMH/NOPB Datasheet - Page 2

• 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

www.national.com
LM3431AQMHX
Order Number
LM3431AMHX
LM3431QMHX
LM3431AQMH
LM3431QMH
Connection Diagram
Ordering Information
LM3431MHX
LM3431AMH
*Automotive Grade (Q) product incorporates enhanced manufacturing and support processes for the automotive market, including defect detection methodologies.
Reliability qualification is compliant with the requirements and temperature grades defined in the AEC-Q100 standard. Automotive grade products are identified
with the letter Q. For more information go to http://www.national.com/automotive.
LM3431MH
Operating Temp
-40°C to 125°C
-40°C to 125°C
-40°C to 125°C
-40°C to 125°C
-40°C to 125°C
-40°C to 125°C
-40°C to 125°C
-40°C to 125°C
Range
TSSOP-28
TSSOP-28
TSSOP-28
TSSOP-28
TSSOP-28
TSSOP-28
TSSOP-28
TSSOP-28
Package
Type
28 Lead Plastic Exposed Pad TSSOP
Package
Drawing
MXA28A
MXA28A
MXA28A
MXA28A
MXA28A
MXA28A
MXA28A
MXA28A
Top View
2
Tape and Reel of 2500 Units
Tape and Reel of 2500 Units
Tape and Reel of 2500 Units
Tape and Reel of 2500 Units
Rail of 48 Units
Rail of 48 Units
Rail of 48 Units
Rail of 48 Units
Supplied As
30041102
Grade Production Flow*
qualified. Automotive
AEC-Q100 Grade 1
Feature