ADP2380-EVALZ Analog Devices, ADP2380-EVALZ Datasheet

ADP2380-EVALZ

Manufacturer Part Number

ADP2380-EVALZ

Description

Power Management IC Development Tools 20V 4A Evaluation Board

Manufacturer

Analog Devices

Type

DC/DC Converters, Regulators & Controllersr

Series

ADP2380r

Datasheet

1.ADP2380-EVALZ.pdf (28 pages)

Specifications of ADP2380-EVALZ

Rohs

yes

Tool Is For Evaluation Of

ADP2380

Input Voltage

4.5 V to 20 V

Factory Pack Quantity

Current page: 1 of 28
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Data Sheet

FEATURES

Input voltage: 4.5 V to 20 V

Integrated 44 mΩ high-side MOSFET

0.6 V ± 1% reference voltage over temperature

Continuous output current: 4 A

Programmable switching frequency: 250 kHz to 1.4 MHz

Synchronizes to external clock: 250 kHz to 1.4 MHz

180° out-of-phase synchronization

Programmable UVLO

Power-good output

External compensation

Internal soft start with external adjustable option

Startup into a precharged output

Supported by ADIsimPower design tool

APPLICATIONS

Communications infrastructure

Networking and servers

Industrial and instrumentation

Healthcare and medical

Intermediate power rail conversion

DC-to-dc point of load application

GENERAL DESCRIPTION

The

dc-to-dc regulator. It integrates a 44 mΩ high-side power MOSFET

and a low-side driver to provide a high efficiency solution. The

ADP2380

deliver 4 A of output current. The output voltage can be adjusted

to 0.6 V to 90% of the input voltage. The switching frequency of

the

fixed at 290 kHz or 540 kHz. The synchronization function allows

the switching frequency to be synchronized to an external clock

to minimize system noise.

Rev. 0

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registered trademarks are the property of their respective owners.

ADP2380

runs from an input voltage of 4.5 V to 20 V and can

is a current mode control, synchronous, step-down,

can be programmed from 250 kHz to 1.4 MHz or

Document Feedback

20 V, 4 A Synchronous Step-Down

Regulator with Low-Side Driver

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Technical Support

reliable power sequencing. Additional features include

programmable undervoltage lockout (UVLO), overvoltage

protection (OVP), overcurrent protection (OCP), and thermal

External compensation and an adjustable soft start provide

design flexibility. The power-good output provides simple and

shutdown (TSD).

The

temperature range and is available in a 16-lead TSSOP_EP

package.

ADP2380

Figure 2. Efficiency vs. Output Current, V

100

OSC

TYPICAL APPLICATIONS CIRCUIT

0.5

operates over the −40°C to +125°C junction

PVIN

UVLO

PGOOD

SYNC

EN/SS

COMP

C_EA

1.0

ADP2380

CP_EA

OUTPUT CURRENT (A)

1.5

Figure 1.

C_EA

PGND

VREG

GND

BST

2.0

2.5

= 12 V, f

VREG

ADP2380

BST

3.0

OUT

FET

www.analog.com

= 250 kHz

3.5

= 1.2V

= 3.3V

= 5V

TOP

BOT

4.0

OUT

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