ISL6615ACBZ-T Intersil, ISL6615ACBZ-T Datasheet

ISL6615ACBZ-T

Manufacturer Part Number

ISL6615ACBZ-T

Description

IC MOSFET DRVR SYNC HF 6A 8-SOIC

Manufacturer

Intersil

Datasheet

1.ISL6615ACBZ.pdf (12 pages)

Specifications of ISL6615ACBZ-T

Configuration

High and Low Side, Synchronous

Input Type

PWM

Delay Time

10.0ns

Current - Peak

2.5A

Number Of Configurations

Number Of Outputs

High Side Voltage - Max (bootstrap)

36V

Voltage - Supply

6.8 V ~ 13.2 V

Operating Temperature

0°C ~ 70°C

Mounting Type

Surface Mount

Package / Case

8-SOIC (3.9mm Width)

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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High-Frequency 6A Sink Synchronous MOSFET

Drivers with Protection Features

ISL6615A

The ISL6615A is a high-speed MOSFET driver optimized

to drive upper and lower power N-Channel MOSFETs in a

synchronous rectified buck converter topology. This

driver, combined with an Intersil Digital or Analog

multiphase PWM controller, forms a complete high

frequency and high efficiency voltage regulator.

The ISL6615A drives both upper and lower gates over a

range of 4.5V to 13.2V. This drive-voltage provides the

flexibility necessary to optimize applications involving

trade-offs between gate charge and conduction losses.

The ISL6615A features 6A typical sink current for the

low-side gate driver, enhancing the lower MOSFET gate

hold-down capability during PHASE node rising edge,

preventing power loss caused by the self turn-on of the

lower MOSFET due to the high dV/dt of the switching

node.

An advanced adaptive zero shoot-through protection is

integrated to prevent both the upper and lower MOSFETs

from conducting simultaneously and to minimize the

dead-time. The ISL6615A includes an overvoltage

protection feature operational before VCC exceeds its

turn-on threshold, at which the PHASE node is connected

to the gate of the low side MOSFET (LGATE). The output

voltage of the converter is then limited by the threshold

of the low side MOSFET, which provides some protection

to the load if the upper MOSFET(s) is shorted.

The ISL6615A also features an input that recognizes a

high-impedance state, working together with Intersil

multiphase PWM controllers to prevent negative

transients on the controlled output voltage when

operation is suspended. This feature eliminates the need

for the Schottky diode that may be utilized in a power

system to protect the load from negative output voltage

damage.

April 22, 2010

FN6608.1

1-888-INTERSIL or 1-888-468-3774

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

Features

• Dual MOSFET Drives for Synchronous Rectified

• Advanced Adaptive Zero Shoot-Through Protection

• Adjustable Gate Voltage for Optimal Efficiency

• 36V Internal Bootstrap Schottky Diode

• Bootstrap Capacitor Overcharging Prevention

• Supports High Switching Frequency (up to 1MHz)

• Support 5V PWM Input Logic

• Tri-State PWM Input for Safe Output Stage Shutdown

• Tri-State PWM Input Hysteresis for Applications with

• Pre-POR Overvoltage Protection

• VCC Undervoltage Protection

• Expandable Bottom Copper PAD for Better Heat

• Dual Flat No-Lead (DFN) Package

• Pb-free (RoHS compliant)

Applications*

• Optimized for POL DC/DC Converters for IBA

• Core Regulators for Intel® and AMD®

• High Current Low-Profile DC/DC Converters

• High Frequency and High Efficiency VRM and VRD

• Synchronous Rectification for Isolated Power

Related Literature*

Technical Brief

Processing Moisture Sensitive Surface Mount Devices

(SMDs)”

Technical Brief

Surface Mount Guidelines for QFN Packages”

Bridge

- Body Diode Detection

- LGATE Detection

- Auto-zero of r

- 6A LGATE Sinking Current Capability

- Fast Rise/Fall Times and Low Propagation Delays

Power Sequencing Requirement

Spreading

- Near Chip-Scale Package Footprint; Improves PCB

Systems

Microprocessors

Supplies

All other trademarks mentioned are the property of their respective owners.

Efficiency and Thinner in Profile

Intersil (and design) is a registered trademark of Intersil Americas Inc.

TB363

TB389

DS(ON)

“Guidelines for Handling and

“PCB Land Pattern Design and

(see page 10)

Conduction Offset Effect

(see page 10)

Related parts for ISL6615ACBZ-T

ISL6615ACBZ-T Summary of contents

Page 1

... CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. | 1-888-INTERSIL or 1-888-468-3774 Intersil (and design registered trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2008, 2010. All Rights Reserved All other trademarks mentioned are the property of their respective owners. Conduction Offset Effect ...

Page 2

Block Diagram (UVCC) VCC PRE-POR OVP +5V FEATURES 10k PWM POR/ CONTROL LOGIC 8k Typical Application - 2 Channel Converter +5V +5V FB COMP VCC VSEN PWM1 PWM2 PGOOD PWM CONTROL (ISL63xx OR ISL65xx) ISEN1 VID (OPTIONAL) ISEN2 FS/EN GND ...

Page 3

... Ordering Information PART NUMBER (Notes ISL6615ACBZ 6615A CBZ ISL6615ACRZ 615A ISL6615AIBZ 6615A IBZ ISL6615AIRZ 15AI ISL6615AFRZ 15AF NOTES: 1. Add “-T” suffix for tape and reel. Please refer to 2. These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and 100% matte tin plate plus anneal (e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations) ...

Page 4

... Maximum Storage Temperature Range . . . -65°C to +150°C Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . .see link below http://www.intersil.com/pbfree/Pb-FreeReflow.asp Recommended Operating Conditions Ambient Temperature Range ISL6615ACRZ, ISL6615ACBZ 0°C to +70°C ISL6615AIRZ, ISL6615AIBZ . . . . . . . . . . -40°C to +85°C ISL6615AFRZ (Note -40°C to +125°C Maximum Operating Junction Temperature +125°C VCC Supply Voltage 6.8V to 13.2V PVCC Supply Voltage . . . . . . . . . . . . . . . . 5V to 12V ± ...

Page 5

Electrical Specifications Recommended Operating Conditions; Boldface limits apply over the operating temperature ranges. (Continued) PARAMETER UGATE Rise Time (Note 9) LGATE Rise Time (Note 9) UGATE Fall Time (Note 9) LGATE Fall Time (Note 9) UGATE Turn-On Propagation Delay (Note ...

Page 6

... LGATE is released to rise. Tri-state PWM Input A unique feature of these drivers and other Intersil drivers is the addition of a shutdown window to the PWM input. If the PWM signal enters and remains within the shutdown window for a set holdoff time, the driver outputs are disabled and both MOSFET gates are pulled and held low ...

Page 7

In addition, more than 400mV hysteresis also incorporates into the Tri-State shutdown window to eliminate PWM input oscillations due to the capacitive load seen by the PWM input through the body diode of the controller’s PWM output when the power-up ...

Page 8

VCC Qg_TOT Qg_Q1 Qg_Q2 Q • PVCC G1 • • P -------------------------------------- - Qg_Q1 SW V GS1 • PVCC G2 • • P -------------------------------------- - ...

Page 9

This combination of vias for vertical heat escape, extended copper plane, and buried planes for heat spreading allows the IC to achieve its full thermal potential. Upper MOSFET Self Turn-On Effects at Start-up Should the driver have insufficient ...

Page 10

... Initial Release to web Products Intersil Corporation is a leader in the design and manufacture of high-performance analog semiconductors. The Company's products address some of the industry's fastest growing markets, such as, flat panel displays, cell phones, handheld products, and notebooks. Intersil's product families address power management and analog signal processing functions ...

Page 11

Package Outline Drawing L10.3x3 10 LEAD DUAL FLAT PACKAGE (DFN) Rev 6, 09/09 3.00 6 PIN 1 INDEX AREA (4X) 0.10 TOP VIEW PACKAGE (10 x 0.55) OUTLINE (10x 0.23) (8x 0.50) 1.60 TYPICAL RECOMMENDED LAND PATTERN 11 ISL6615A A ...

Page 12

... Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries ...

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