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D001

BOOT

SW

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VIN

GND

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LMR16030

SNVSAH9 – DECEMBER 2015

1 Features

3 Description

1

•

4.5 V to 60 V Input Range

step down regulator with an integrated high-side

•

3 A Continuous Output Current

MOSFET. With a wide input range from 4.5 V to 60

•

Ultra-low 40 µA Operating Quiescent Current

V, it’s suitable for various applications from industrial

to

automotive

for

power

conditioning

from

•

155 m

Ω High-Side MOSFET

unregulated

sources.

The

regulator’s

quiescent

•

Minimum Switch-On Time: 90 ns

current is 40 µA in Sleep-mode, which is suitable for

•

Current Mode Control

battery powered systems. An ultra-low 1

μA current in

shutdown mode can further prolong battery life. A

•

Adjustable Switching Frequency from 200 kHz to

wide adjustable switching frequency range allows

2.5 MHz

either efficiency or external component size to be

•

Frequency Synchronization to External Clock

optimized. Internal loop compensation means that the

•

Internal Compensation for Ease of Use

user

is

free

from

the

tedious

task

of

loop

•

High Duty Cycle Operation Supported

compensation

design.

This

also

minimizes

the

external components of the device. A precision

•

Precision Enable Input

enable input allows simplification of regulator control

•

1 µA Shutdown Current

and system power sequencing. The device also has

•

External Soft-start

built-in protection features such as cycle-by-cycle

current limit, thermal sensing and shutdown due to

•

Thermal, Overvoltage and Short Protection

excessive power dissipation, and output overvoltage

•

8-Pin HSOIC with PowerPAD™ Package

protection.

The LMR16030 is available in an 8-pin HSOIC

2 Applications

package with exposed pad for low thermal resistance.

•

Automotive Battery Regulation

•

Industrial Power Supplies

Device Information (1)

•

Telecom and Datacom Systems

PART NUMBER

PACKAGE

BODY SIZE (NOM)

LMR16030PDDA

HSOIC (8)

4.89 mm x 3.90 mm

•

General Purpose Wide Vin Regulation

(Power Good)

space

LMR16030SDDA

HSOIC (8)

4.89 mm x 3.90 mm

(Soft Start)

(1) For all available packages, see the orderable addendum at

the end of the datasheet.

Simplified Schematic

Efficiency vs Output Current

Vout = 5 V, fs = 300 kHz

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. PRODUCT PREVIEW Information. Product in design phase of

development. Subject to change or discontinuance without notice.