MAX5048BATT-T Maxim Integrated Products, MAX5048BATT-T Datasheet

MAX5048BATT-T

Manufacturer Part Number

MAX5048BATT-T

Description

MOSFET & Power Driver ICs 7.6A 12ns MOSFET Driver

Manufacturer

Maxim Integrated Products

Type

Low Sider

Datasheet

1.MAX5048AATTT.pdf (11 pages)

Specifications of MAX5048BATT-T

Rise Time

82 ns

Fall Time

12.5 ns

Supply Voltage (min)

4 V

Supply Current

1.5 mA

Maximum Power Dissipation

1454 mW

Maximum Operating Temperature

+ 125 C

Mounting Style

SMD/SMT

Minimum Operating Temperature

- 40 C

Number Of Drivers

Number Of Outputs

Current page: 1 of 11
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The MAX5048A/MAX5048B are high-speed MOSFET

drivers capable of sinking/sourcing 7.6A/1.3A peak cur-

rents. These devices take logic input signals and drive

a large external MOSFET. The MAX5048A/MAX5048B

have inverting and noninverting inputs that give the

user greater flexibility in controlling the MOSFET. They

feature two separate outputs working in complementary

mode, offering flexibility in controlling both turn-on and

turn-off switching speeds.

The MAX5048A/MAX5048B have internal logic circuitry,

which prevents shoot-through during output state

changes. The logic inputs are protected against volt-

age spikes up to +14V, regardless of V+ voltage.

Propagation delay time is minimized and matched

between the inverting and noninverting inputs. The

MAX5048A/MAX5048B have very fast switching times

combined with very short propagation delays (12ns

typ), making them ideal for high-frequency circuits.

The MAX5048A/MAX5048B operate from a +4V to +12.6V

single power supply and typically consume 0.95mA of

supply current. The MAX5048A has CMOS input logic

levels, while the MAX5048B has standard TTL input logic

levels. These devices are available in space-saving

6-pin SOT23 and TDFN packages.

19-2419; Rev 4; 7/05

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.

Power MOSFET Switching

Switch-Mode Power Supplies

DC-DC Converters

Motor Control

Power-Supply Modules

V+

Typical Operating Circuit

7.6A, 12ns, SOT23/TDFN, MOSFET Driver

________________________________________________________________ Maxim Integrated Products

V+

IN+

IN-

MAX5048A

MAX5048B

General Description

GND

N_OUT

P_OUT

Applications

♦ Independent Source-and-Sink Outputs for

♦ +4V to +12.6V Single Power Supply

♦ 7.6A/1.3A Peak Sink/Source Drive Current

♦ 0.23Ω Open-Drain n-Channel Sink Output

♦ 2Ω Open-Drain p-Channel Source Output

♦ 12ns (typ) Propagation Delay

♦ Matching Delay Time Between Inverting and

♦ V

♦ 1.6V Input Hysteresis

♦ Up to +14V Logic Inputs (Regardless of V+

♦ Low Input Capacitance: 2.5pF (typ)

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

♦ 6-Pin SOT23 and TDFN Packages

MAX5048AAUT-T -40°C to +125°C 6 SOT23-6

MAX5048BAUT-T -40°C to +125°C 6 SOT23-6

MAX5048AATT-T -40°C to +125°C 6 TDFN-6

MAX5048BATT-T -40°C to +125°C 6 TDFN-6

Pin Configurations continued at end of data sheet.

Controllable Rise and Fall Times

Noninverting Inputs

Inputs

Voltage)

TOP VIEW

PART

/2 CMOS (MAX5048A)/TTL (MAX5048B) Logic

P_OUT

N_OUT

TEMP RANGE

V+

Ordering Information

Pin Configurations

MAX5048A

MAX5048B

SOT23

PIN-

PACKAGE

IN+

IN-

GND

Features

LOGIC

INPUT

CMOS

TTL

MARK

ABEC

ABED

AKW

TOP

AKV

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MAX5048BATT-T Summary of contents

Page 1

... Operating Temperature Range ♦ 6-Pin SOT23 and TDFN Packages Applications PART MAX5048AAUT-T -40°C to +125°C 6 SOT23-6 MAX5048BAUT-T -40°C to +125°C 6 SOT23-6 MAX5048AATT-T -40°C to +125°C 6 TDFN-6 MAX5048BATT-T -40°C to +125°C 6 TDFN-6 TOP VIEW N Pin Configurations continued at end of data sheet. Features Ordering Information PIN- ...

Page 2

... V+ Supply Current n-CHANNEL OUTPUT Driver Output Resistance— Pulling Down (MAX5048AAUT/ R ON-N MAX5048BAUT) Driver Output Resistance— Pulling Down (MAX5048AATT/ R ON-N MAX5048BATT) Power-Off Pulldown Resistance Power-Off Pulldown Clamp Voltage Output Leakage Current I LK-N Peak Output Current (Sinking) I PK-N p-CHANNEL OUTPUT Driver Output Resistance— ...

Page 3

... ELECTRICAL CHARACTERISTICS (continued) (V+ = +12V -40°C to +125°C, unless otherwise noted. Typical values are PARAMETER SYMBOL Driver Output Resistance— Pulling Up (MAX5048AATT/ R MAX5048BATT) Output Leakage Current Peak Output Current (Sourcing) LOGIC INPUT Logic 1 Input Voltage Logic 0 Input Voltage Logic-Input Hysteresis Logic-Input Current Input Capacitance ...

Page 4

SOT23/TDFN, MOSFET Driver (C = 1000pF +25°C, unless otherwise noted RISE TIME vs. SUPPLY VOLTAGE +125° +85° 0° +25°C A ...

Page 5

SOT23/TDFN, MOSFET Driver (C = 1000pF +25°C, unless otherwise noted INPUT VOLTAGE vs. OUTPUT VOLTAGE (V+ = +4V 5000pF) L MAX5048 toc10 IN+ 2V/div OUTPUT 2V/div 20ns/div INPUT VOLTAGE vs. OUTPUT VOLTAGE ...

Page 6

SOT23/TDFN, MOSFET Driver Pin Description PIN NAME FUNCTION Power Supply. Bypass to GND with 0.1µF ceramic capacitor. p-Channel Open-Drain Output. Sources 2 P_OUT current for MOSFET turn-on. n-Channel Open-Drain Output. Sinks 3 N_OUT current for ...

Page 7

SOT23/TDFN, MOSFET Driver IN P_OUT AND N_OUT TIED TOGETHER Figure 1. Timing Diagram and Test Circuit The quiescent current is 0.95mA typical. The current required to charge and discharge the internal nodes is frequency dependent (see ...

Page 8

SOT23/TDFN, MOSFET Driver • multilayer PC board, the component surface layer surrounding the MAX5048A/MAX5048B should consist of a GND plane containing the discharging and charging current loops. MAX5048A MAX5048B BREAK- IN- BEFORE- MAKE CONTROL IN+ Figure ...

Page 9

SOT23/TDFN, MOSFET Driver Pin Configurations (continued) TOP VIEW V+ 1 MAX5048A P_OUT 2 MAX5048B N_OUT 3 EXPOSED PAD TDFN 3mm x 3mm (The package drawing(s) in this data sheet may not reflect the most current specifications. For the ...

Page 10

SOT23/TDFN, MOSFET Driver (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.) D PIN 1 INDEX AREA -DRAWING NOT TO SCALE- 10 ______________________________________________________________________________________ Package ...

Page 11

... Maxim reserves the right to change the circuitry and specifications without notice at any time. implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 11 Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 11 © ...

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