ADP3110 Analog Devices, ADP3110 Datasheet

ADP3110

Manufacturer Part Number

ADP3110

Description

12V MOSFET Driver

Manufacturer

Analog Devices

Datasheet

1.ADP3110.pdf (12 pages)

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FEATURES

All-in-one synchronous buck driver

Bootstrapped high-side drive

One PWM signal generates both drives

Anticross-conduction protection circuitry

Output disable control turns off both MOSFETs to float

APPLICATIONS

Multiphase desktop CPU supplies

Single-supply synchronous buck converters

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.

output per Intel® VRM 10 specification

ADP3110

CMP

SIMPLIFIED FUNCTIONAL BLOCK DIAGRAM

DELAY

CONTROL

LOGIC

Figure 1.

CMP

Dual Bootstrapped, 12 V MOSFET

GENERAL DESCRIPTION

The ADP3110 is a dual, high voltage MOSFET driver optimized

for driving two N-channel MOSFETs, which are the two

switches in a nonisolated synchronous buck power converter.

Each of the drivers is capable of driving a 3000 pF load with a

25 ns propagation delay and a 30 ns transition time. One of the

drivers can be bootstrapped and is designed to handle the high

voltage slew rate associated with floating high-side gate drivers.

The ADP3110 includes overlapping drive protection to prevent

shoot-through current in the external MOSFETs.

The OD pin shuts off both the high-side and the low-side

MOSFETs to prevent rapid output capacitor discharge during

system shutdown.

The ADP3110 is specified over the commercial temperature

range of 0°C to 85°C and is available in an 8-lead SOIC_N

package.

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

Tel: 781.329.4700

Fax: 781.461.3113

VCC

Driver with Output Disable

BST

DRVH

PGND

DRVL

BST1

BST

BST2

12V

ADP3110

www.analog.com

INDUCTOR

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