LM3410XMF NSC [National Semiconductor], LM3410XMF Datasheet

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LM3410XMF

Manufacturer Part Number
LM3410XMF
Description
525kHz/1.6MHz, Constant Current Boost and SEPIC LED Driver with Internal Compensation
Manufacturer
NSC [National Semiconductor]
Datasheet

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© 2007 National Semiconductor Corporation
LM3410
525kHz/1.6MHz, Constant Current Boost and SEPIC LED
Driver with Internal Compensation
General Description
The LM3410 constant current LED driver is a monolithic, high
frequency, PWM step-up DC/DC converter in 5-pin SOT23,
6-pin LLP, & 8-pin eMSOP packages. With a minimum of ex-
ternal components the LM3410 is easy to use. It can drive
2.5A typical peak currents with an internal 160mΩ NMOS
switch. Switching frequency is internally set to either 525kHz
or 1.60MHz, allowing the use of extremely small surface
mount inductors and chip capacitors. Even though the oper-
ating frequency is high, efficiencies up to 88% are easy to
achieve. External shutdown is included, featuring an ultra-low
stand-by current of 80nA. The LM3410 utilizes current-mode
control and internal compensation to provide high-perfor-
mance over a wide range of operating conditions. Additional
features include dimming, pulse-by-pulse current limit, and
thermal shutdown.
Typical Boost Application Circuit
300385
Features
Applications
Space Saving SOT23-5 & 6-LLP Package
Wide Input voltage range of 2.7V to 5.5V
Wide Output voltage range of 3V to 24V
2.1A switch current over full temperature range
Two High Switching Frequencies Available:
— 525 kHz (LM3410-Y)
— 1.6 MHz (LM3410-X)
160 mΩ NMOS Switch
190 mV Internal Voltage Reference
Internal Soft-Start
Current-Mode, PWM Operation
Portable Illumination
LED Backlight Current Source
LiIon Backlight OLED Driver
Handheld Devices
ADVANCE INFORMATION
30038501
www.national.com
October 2007

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LM3410XMF Summary of contents

Page 1

LM3410 525kHz/1.6MHz, Constant Current Boost and SEPIC LED Driver with Internal Compensation General Description The LM3410 constant current LED driver is a monolithic, high frequency, PWM step-up DC/DC converter in 5-pin SOT23, 6-pin LLP, & 8-pin eMSOP packages. With a ...

Page 2

... Connection Diagrams Top View 30038503 5-Pin SOT23 Ordering Information Frequency Order Number LM3410YMF LM3410YMFX LM3410YSD 525 kHz LM3410YSDX LM3410YMY LM3410YMYX LM3410XMF LM3410XMFX LM3410XSD 1.6 MHz LM3410XSDX LM3410XMY LM3410XMYX www.national.com Top View 30038504 6-Pin LLP Package Type Package Drawing SOT23-5 MF05A LLP-6 SDE06A ...

Page 3

Pin Description - 5-Pin SOT23 Pin Name Function 1 SW Output switch. Connect to the inductor, output diode. Signal and power ground pin. Place the bottom resistor of the feedback network as close as possible to this 2 GND pin. ...

Page 4

Physical Dimensions www.national.com inches (millimeters) unless otherwise noted 6-Lead LLP Package NS Package Number SDE06A 5-Lead SOT23-5 Package NS Package Number MF05A 4 ...

Page 5

Package NS Package Number MUY08A 5 www.national.com ...

Page 6

THE CONTENTS OF THIS DOCUMENT ARE PROVIDED IN CONNECTION WITH NATIONAL SEMICONDUCTOR CORPORATION (“NATIONAL”) PRODUCTS. NATIONAL MAKES NO REPRESENTATIONS OR WARRANTIES WITH RESPECT TO THE ACCURACY OR COMPLETENESS OF THE CONTENTS OF THIS PUBLICATION AND RESERVES THE RIGHT TO MAKE ...

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