max5054bata Maxim Integrated Products, Inc., max5054bata Datasheet

max5054bata

Manufacturer Part Number

max5054bata

Description

4a, 20ns, Dual Mosfet Drivers Integrated Products

Manufacturer

Maxim Integrated Products, Inc.

Datasheet

1.MAX5054BATA.pdf (17 pages)

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Part Number:

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The MAX5054–MAX5057 dual, high-speed MOSFET

drivers source and sink up to 4A peak current. These

devices feature a fast 20ns propagation delay and 20ns

rise and fall times while driving a 5000pF capacitive

load. Propagation delay time is minimized and matched

between the inverting and noninverting inputs and

between channels. High sourcing/sinking peak cur-

rents, low propagation delay, and thermally enhanced

packages make the MAX5054–MAX5057 ideal for high-

frequency and high-power circuits.

The MAX5054–MAX5057 operate from a 4V to 15V single

power supply and consume 40µA (typ) of supply current

when not switching. These devices have internal logic

circuitry that prevents shoot-through during output state

changes to minimize the operating current at high

switching frequency. The logic inputs are protected

against voltage spikes up to +18V, regardless of the V

voltage. The MAX5054A is the only version that has

CMOS input logic levels while the MAX5054B/MAX5055/

MAX5056/MAX5057 have TTL input logic levels.

The MAX5055–MAX5057 provide the combination of dual

inverting, dual noninverting, and inverting/noninverting

input drivers. The MAX5054 feature both inverting and

noninverting inputs per driver for greater flexibility. They

are available in 8-pin TDFN (3mm x 3mm), standard SO,

and thermally enhanced SO packages. These devices

operate over the automotive temperature range of -40°C

to +125°C.

Power MOSFET Switching

Switch-Mode Power Supplies

DC-DC Converters

19-3348; Rev 0; 8/04

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

PWM IN

Typical Operating Circuit

________________________________________________________________ Maxim Integrated Products

INA+

INA-

INB+

INB-

General Description

MAX5054

OUTA

OUTB

GND

Motor Control

Power-Supply Modules

Applications

4A, 20ns, Dual MOSFET Drivers

OUT

o 4V to 15V Single Power Supply

o 4A Peak Source/Sink Drive Current

o 20ns (typ) Propagation Delay

o Matching Delay Between Inverting and

o Matching Propagation Delay Between Two

o V

o TTL Logic Inputs

o 0.1 x V

o Up to +18V Logic Inputs (Regardless of V

o Low Input Capacitance: 2.5pF (typ)

o 40µA (typ) Quiescent Current

o -40°C to +125°C Operating Temperature Range

o 8-Pin TDFN and SO Packages

* EP = Exposed pad. Package code S8E-14.

Selector Guide and Pin Configurations appear at end of

data sheet.

MAX5055AASA

MAX5056AASA

MAX5057AASA

MAX5054AATA

MAX5054BATA

MAX5055BASA

MAX5056BASA

MAX5057BASA

Noninverting Inputs

Channels

(MAX5054B/MAX5055/MAX5056/MAX5057)

Hysteresis

Voltage)

PART

/ 2 CMOS Logic Inputs (MAX5054AATA)

(CMOS) and 0.3V (TTL) Logic-Input

-40°C to +125°C

TEMP RANGE

Ordering Information

PIN-

PACKAGE

8 TDFN-EP*

8 SO-EP*

8 SO

8 SO-EP*

8 SO

8 SO-EP*

8 SO

Features

MARK

TOP

AGS

AGR

—

Related parts for max5054bata

max5054bata Summary of contents

Page 1

... Up to +18V Logic Inputs (Regardless of V Voltage) o Low Input Capacitance: 2.5pF (typ) o 40µA (typ) Quiescent Current o -40°C to +125°C Operating Temperature Range o 8-Pin TDFN and SO Packages Applications PART MAX5054AATA MAX5054BATA MAX5055AASA MAX5055BASA MAX5056AASA MAX5056BASA V OUT MAX5057AASA MAX5057BASA * EP = Exposed pad. Package code S8E-14. ...

Page 2

Dual MOSFET Drivers ABSOLUTE MAXIMUM RATINGS (Voltages referenced to GND.) V ...............................................................................-0.3V to +18V DD INA+, INA-, INB+, INB- ...............................................-0.3V to +18V OUTA, OUTB...................................................-0. OUTA, OUTB Short-Circuit Duration ........................................10ms Continuous Source/Sink Current at OUT_ (P Continuous ...

Page 3

ELECTRICAL CHARACTERISTICS (continued 15V -40°C to +125°C, unless otherwise noted. Typical values are PARAMETER Output-Voltage High LOGIC INPUT (Note 3) Logic 1 Input Voltage Logic 0 Input Voltage Logic-Input Hysteresis ...

Page 4

Dual MOSFET Drivers ELECTRICAL CHARACTERISTICS (continued 15V -40°C to +125°C, unless otherwise noted. Typical values are PARAMETER SYMBOL MATCHING CHARACTERISTICS Mismatch Propagation Delays from Inverting and Noninverting Inputs ...

Page 5

A I SUPPLY CURRENT DD-SW vs. TEMPERATURE 4 15V 250kHz 3.5 DUTY CYCLE = 50% BOTH CHANNELS SWITCHING 3.0 2.5 2.0 1.5 1.0 -50 -25 ...

Page 6

Dual MOSFET Drivers (T = +25°C, unless otherwise noted.) A DELAY MISMATCH BETWEEN 2 CHANNELS vs. TEMPERATURE 4.5V 10,000pF OUTPUT FALLING -50 -25 ...

Page 7

A LOGIC-INPUT VOLTAGE vs. OUTPUT VOLTAGE (V = 15V LOGIC-INPUT VOLTAGE vs. OUTPUT VOLTAGE (V = 15V vs. OUTPUT VOLTAGE DD _______________________________________________________________________________________ 4A, 20ns, Dual MOSFET Drivers Typical Operating ...

Page 8

Dual MOSFET Drivers MAX5054 PIN NAME 1 INA- Inverting Logic-Input Terminal for Driver A. Connect to GND when not used. 2 INB- Inverting Logic-Input Terminal for Driver B. Connect to GND when not used. 3 GND Ground 4 ...

Page 9

IN_ OUT_ t D-OFF1 IN_ D-OFF2 RISING MISMATCH = D-ON2 D-ON1 FALLING MISMATCH = D-OFF2 D-OFF1 Figure 1. Timing Diagram MAX5054 IN_- BREAK- BEFORE- MAKE ...

Page 10

Dual MOSFET Drivers Table 1. MAX5054 Truth Table INA+/INB+ INA-/INB- Low Low Low High High Low High High Table 2. MAX5055/MAX5056/MAX5057 Truth Table NONINVERTING IN_+ Low High INVERTING IN_- Low High The logic inputs are high impedance and ...

Page 11

Supply Bypassing and Grounding Pay extra attention to bypassing and grounding the MAX5054–MAX5057. Peak supply and output currents may exceed 8A when both drivers drive large external capacitive loads in phase. Supply voltage drops and ground shifts create forms of ...

Page 12

Dual MOSFET Drivers Both the SO-EP and TDFN-EP packages have an exposed pad on the bottom of their package. These pads are internally connected to GND. For the best thermal conductivity, solder the exposed pad to the V ...

Page 13

Figure 6. Schematic of a 48V Input, 3.3V at 15A Output Synchronously Rectified, Isolated Power Supply ______________________________________________________________________________________ 4A, 20ns, Dual MOSFET Drivers 13 ...

Page 14

... Selector Guide PIN- PART PACKAGE CMOS Dual Inverting DD MAX5054AATA 8 TDFN-EP* and Dual Noninverting Inputs TTL Dual Inverting and Dual MAX5054BATA 8 TDFN-EP* Noninverting Inputs MAX5055AASA 8 SO-EP* TTL Dual Inverting Inputs MAX5055BASA 8 SO TTL Dual Inverting Inputs MAX5056AASA 8 SO-EP* TTL Dual Noninverting Inputs MAX5056BASA ...

Page 15

For the latest package outline information go to www.maxim-ic.com/packages TOP VIEW FRONT VIEW ______________________________________________________________________________________ 4A, 20ns, Dual MOSFET Drivers ...

Page 16

Dual MOSFET Drivers (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to www.maxim-ic.com/packages.) 16 ______________________________________________________________________________________ Package Information (continued) PACKAGE OUTLINE 8L SOIC, .150" EXPOSED PAD ...

Page 17

For the latest package outline information go to www.maxim-ic.com/packages.) PIN 1 INDEX AREA COMMON DIMENSIONS SYMBOL MIN. A 0.70 D 2.90 E 2.90 A1 0.00 L ...

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