LM3409HVMY/NOPB LM3409HVMYX/NOPB Mosfet Power Transistor LED Lighting Drivers 1.6MHz 1A Constant Crnt Buck LED Dvr
n channel mos field effect transistor
,p channel mosfet driver circuit
LM3409HVMY/NOPB LM3409HVMYX/NOPB Mosfet Power Transistor LED Lighting Drivers 1.6MHz 1A Constant Crnt Buck LED Dvr
1 Features
- LM3409-Q1 and LM3409HV-Q1 are Automotive Grade Products: AEC-Q100 Grade 1 Qualified
-
2-Ω, 1-A Peak MOSFET Gate Drive
-
VIN Range: 6 V to 42 V (LM3409, LM3409-Q1)
-
VIN Range: 6 V to 75 V (LM3409HV, LM3409HV- Q1)
-
Differential, High-Side Current Sense
-
Cycle-by-Cycle Current Limit
-
No Control Loop Compensation Required
-
10,000:1 PWM Dimming Range
-
250:1 Analog Dimming Range
-
Supports All-Ceramic Output Capacitors and Capacitor-less Outputs
-
Low-Power Shutdown and Thermal Shutdown
-
Thermally Enhanced 10-Pin, HVSSOP Package
2 Applications
-
LED Driver
-
Constant Current Source
-
Automotive Lighting
-
General Illumination
3 Description
The LM3409, LM3409-Q1, LM3409HV, and LM3409HV-Q1 are P-channel MOSFET (PFET) controllers for step-down (buck) current regulators. They offer wide input voltage range, high-side differential current sense with low adjustable threshold voltage and fast output enable/disable function and a thermally enhanced 10-pin, HVSSOP package. These features combine to make the LM3409 family of devices ideal for use as constant current sources for driving LEDs where forward currents up to 5 A are easily achievable.
The LM3409 devices use constant off-time (COFT) control to regulate an accurate constant current without the need for external control loop compensation. Analog and PWM dimming are easy to implement and result in a highly linear dimming range with excellent achievable contrast ratios. Programmable UVLO, low-power shutdown, and thermal shutdown complete the feature set.
Device Information
|
PART NUMBER |
PACKAGE |
BODY SIZE (NOM) |
|
LM3409 |
HVSSOP (10) |
3.00 mm × 3.00 mm |
|
PDIP (14) |
19.177 mm × 6.35 mm |
|
|
LM3409-Q1 |
HVSSOP (10) |
3.00 mm × 3.00 mm |
|
LM3409HV |
||
|
LM3409HV-Q1 |
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