LTC7003

1

7003f

For more information www.linear.com/LTC7003

20ns/DIV

2V/DIV

20V/DIV

7003 TA01b

TYPICAL APPLICATION

FEATURES

DESCRIPTION

Fast 60V Protected

High Side NMOS Static Switch Driver

The LTC®7003 is a fast high side N-channel MOSFET

gate driver that operates from input voltages up to 60V.

It contains an internal charge pump that fully enhances an

external N-channel MOSFET switch, allowing it to remain

on indefinitely.

Its powerful driver can easily drive large gate capacitances

with very short transition times, making it well suited for

both high frequency switching applications or static switch

applications that require a fast turn-on and/or turn-off time.

When an internal comparator senses that the switch

current has exceeded a preset level, a fault flag is asserted

and the switch is turned off after a period of time set by

an external timing capacitor. After a cooldown period, the

LTC7003 automatically retries.

The LTC7003 is available in the thermally-enhanced

16-lead MSOP package.

High Side Switch with 100% Duty Cycle and Overcurrent Protection

Turn-On Transient Waveform

n

n

1Ω Pull-Down, 2.2Ω Pull-Up for Fast Turn-On and

Turn-Off Times with 35ns Propagation Delays

n

Internal Charge Pump for 100% Duty Cycle

n

Short-Circuit Protected

n

Adjustable Current Trip Threshold

n

Current Monitor Output

n

Automatic Restart Timer

n

Open-Drain Fault Flag

n

Adjustable Turn-On Slew Rate

n

Gate Driver Supply from 3.5V to 15V

n

Lockouts

n

n

Low Shutdown Current: 1µA

n

CMOS Compatible Input

n

Thermally Enhanced, High Voltage Capable 16-Lead

MSOP Package

APPLICATIONS

n

Static Switch Driver

n

Load and Supply Switch Driver

n

Electronic Valve Driver

n

High Frequency High Side Gate Driver

L

, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Analog

Devices, Inc. All other trademarks are the property of their respective owners.

1µF

0.1µF

100k

1nF

0.007

3.5V TO 60V

LOAD

3.5V TO 60V

3A CONTINOUS MAX

7003 TA01a

FAULT

TIMER

INP

BST

TGUP

TGDN

TS

LTC7003

OVLO

GND

RUN

PINS NOT USED IN THIS CIRCUIT:

IMON

ISET

OFF ON