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Details for LM3409QMY/NOPB by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Driver & Interface ICs
LM3409QMY/NOPB
Buy Directly from Texas Instruments (24965 in stock) $0.4800
LED DRIV BUCK 2MHZ HVSSOP10
LM3409QMY/NOPB image

LM3409QMY/NOPB by Texas Instruments

LED DRIV BUCK 2MHZ HVSSOP10
Features
10,000:1 PWM Dimming Range
2-u2126, 1-A Peak MOSFET Gate Drive
250:1 Analog Dimming Range
Cycle-by-Cycle Current Limit
Differential, High-Side Current Sense
LM3409-Q1 and LM3409HV-Q1 are Automotive Grade Products: AEC-Q100 Grade 1 Qualified
Low-Power Shutdown and Thermal Shutdown
No Control Loop Compensation Required
Supports All-Ceramic Output Capacitors and Capacitor-less Outputs
Thermally Enhanced 10-Pin, HVSSOP Package
VIN Range: 6 V to 42 V (LM3409, LM3409-Q1)
VIN Range: 6 V to 75 V (LM3409HV, LM3409HV- Q1)
Part Information
LM3409QMY/NOPB image
RoHS Compliant
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.
Specifications
Device Topology:
Non Isolated Buck (Step Down)
Input Voltage Min:
6V
Input Voltage Max:
42V
Output Voltage Max:
42V
Output Current Max:
5A
Switching Frequency:
2MHz
No. of Outputs:
1Outputs
IC Mounting:
SMD
Driver Case Style:
MSOP PowerPAD
No. of Pins:
10Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
125°C
Product Range:
-
Automotive Qualification Standard:
AEC-Q100
RoHS Phthalates Compliant:
Yes
MSL:
MSL 3 - 168 hours
SVHC:
No SVHC (27-Jun-2018)
Output Current:
1A
Output Voltage:
42V
Alternate Descriptions
PFET Buck Controller 10-Pin MSOP T/R Avnet America
PFET Buck Controller 10-Pin MSOP T/R Avnet Europe
42-V automotive PFET buck controller for high power LED Drives Texas Instruments