LM3464MH National Semiconductor, LM3464MH Datasheet - Page 4

• Manufacturer Part Number: LM3464MH
• Description: IC, LED DRIVER, BUCK, 28TSSOP
• Manufacturer: National Semiconductor

Specifications of LM3464MH

• No. Of Outputs: 4
• Input Voltage: 12V To 80V
• Driver Case Style: TSSOP
• Svhc: No SVHC (15-Dec-2010)
• No. Of Pins: 28
• Operating Temperature Range: -40°C To +125°C
• Topology: Linear
• Efficiency: 98%
• Led Driver Application: Streetlights, Solid State Lighting Solutions
• Dimming Control Type: PWM / Analogue
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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Pin
EP
20
21
22
23
24
25
26
27
28
PGND
Name
GD4
GD3
GD2
GD1
SE4
SE3
SE2
SE1
EP
Description
Channel 4 sense input
Channel 4 gate driver output
Power Ground
Channel 3 gate driver output
Channel 3 sense input
Channel 2 gate driver output
Channel 2 sense input
Channel 1 gate driver output
Channel 1 sense input
Thermal Pad (Power Ground)
4
Application Information
Connect to an external sense resistor to define the Channel 4
LED current.
Connect to the gate of external NMOS to control the channel
4 LED current.
Ground for power circuitry. Reference point for all stated
voltages. Must be externally connected to EP and AGND
Connect to the gate of external NMOS to control the channel
3 LED current.
Connect to an external sense resistor to define the Channel 3
LED current.
Connect to the gate of external NMOS to control the channel
2 LED current.
Connect to an external sense resistor to define the Channel 2
LED current.
Connect to the gate of external NMOS to control the channel
1 LED current.
Connect to an external sense resistor to define the Channel 1
LED current.
Used to dissipate heat from the package during operation.
Must be electrically connected to PGND external to the
package.