Buck Regulator. LMR16006 Datasheet

LMR16006 Regulator. Datasheet pdf. Equivalent

Part LMR16006
Description Buck Regulator
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LMR16006
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LMR16006
SNVSA24 – OCTOBER 2014
LMR16006 SIMPLE SWITCHER® 60 V 0.6 A Buck Regulators With High Efficiency ECO
Mode
1 Features
1 Ultra Low 28 µA Standby Current in ECO Mode
• Input Voltage Range 4 V to 60 V
• 1 µA Shutdown Current
• High Duty Cycle Operation Supported
• Output Current up to 600 mA
• 0.7 MHz and 2.1 MHz Switching Frequency
• Internal Compensation
• High Voltage Enable Input
• Internal Soft Start
• Over Current Protection
• Over Temperature Protection
• Small Overall Solution Size (SOT-6L Package)
• Create a Custom Design Using the LMR16006
with the WEBENCH Power Designer
2 Applications
• Industrial Distributed Power Systems
• Automotive
• Battery Powered Equipment
• Portable Handheld Instruments
• Portable Media Players
3 Description
The LMR16006 is a PWM DC/DC buck (step-down)
regulator. With a wide input range of 4 V to 60 V, it is
suitable for a wide range of application from industrial
to automotive for power conditioning from an
unregulated source. The regulator’s standby current
is 28 µA in ECO mode, which is suitable for battery
operating systems. An ultra low 1 µA shutdown
current can further prolong battery life. Operating
frequency is fixed at 0.7 MHz (X version) and 2.1
MHz (Y version) allowing the use of small external
components while still being able to have low output
ripple voltage. Soft-start and compensation circuits
are implemented internally, which allows the device to
be used with minimized external components. The
LMR16006 is optimized for up to 600 mA load
currents. It has a 0.765 V typical feedback voltage.
The device has built-in protection features such as
pulse by pulse current limit, thermal sensing and
shutdown due to excessive power dissipation. The
LMR16006 is available in a low profile SOT-6L
package.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE
LMR16006
SOT (6)
2.90 mm × 1.60 mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
4 Simplified Schematic
VIN
Up to 60 V
Cin
VIN
SHDN
GND
LMR16006
CB
Cboot L1
SW
D1
R1
FB
R2
Cout
100
90
80
70
60
50
40
30
20
1
Efficiency vs Output Current
(fSW= 0.7 MHz, VOUT= 3.3 V)
Vin = 12 V
10
100
Output Current (mA)
1000
D007
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.



LMR16006
LMR16006
SNVSA24 – OCTOBER 2014
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Simplified Schematic............................................. 1
5 Revision History..................................................... 2
6 Pin Configuration and Functions ......................... 3
7 Specifications......................................................... 4
7.1 Absolute Maximum Ratings ..................................... 4
7.2 Handling Ratings....................................................... 4
7.3 Recommended Operating Conditions ...................... 4
7.4 Thermal Information .................................................. 4
7.5 Electrical Characteristics........................................... 5
7.6 Switching Characteristics .......................................... 5
7.7 Typical Characteristics .............................................. 6
8 Detailed Description .............................................. 8
8.1 Overview ................................................................... 8
8.2 Functional Block Diagram ......................................... 8
8.3 Feature Description................................................... 9
8.4 Device Functional Modes........................................ 10
9 Application and Implementation ........................ 11
9.1 Application Information............................................ 11
9.2 Typical Application ................................................. 11
10 Power Supply Recommendations ..................... 17
11 Layout................................................................... 17
11.1 Layout Guidelines ................................................. 17
11.2 Layout Example .................................................... 17
12 Device and Documentation Support ................. 18
12.1 Custom Design with WEBENCH Tools................. 18
12.2 Receiving Notification of Documentation Updates 18
12.3 Related Documentation ....................................... 18
12.4 Trademarks ........................................................... 18
12.5 Electrostatic Discharge Caution ............................ 18
12.6 Glossary ................................................................ 18
13 Mechanical, Packaging, and Orderable
Information ........................................................... 18
5 Revision History
DATE
October 2014
REVISION
*
NOTES
Initial release.
2
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