Datasheet > ISL73041SEH

ISL73041SEH

更新时间： 2024-03-03 10:10:51

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
40页	1628K
描述
Radiation Hardened 12V Half Bridge GaN FET Driver

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ISL73041SEH 数据手册

Datasheet

ISL73041SEH

Radiation Hardened 12V Half-Bridge GaN FET Driver

The ISL73041SEH is a Radiation Hardened PWM

input 12V Half Bridge GaN FET Driver designed to

Features

▪ Up to 20V bootstrap voltage half-bridge driver

▪ Programmable 4.5V to 5.5V gate drive voltage

▪ Single tri-level PWM input control

drive low r

Gallium Nitride FETs for DC/DC

DS(ON)

switching regulators. An integrated programmable

GaN FET gate drive voltage, high-side bootstrap

switch, and strong gate drive current provide a

compact and robust GaN FET half-bridge driver.

▪ Separate source and sink driver outputs

▪ High-side peak drive: 2A Sourcing, 4A Sinking

▪ Low-side peak drive: 4A Sourcing, 8A Sinking

▪ High and low side programmable dead time control

▪ Highly matched fast propagation delay: 29ns

The ISL73041SEH can interface directly to the

ISL73847SEH dual-phase PWM buck controller to

create a high-efficiency point-of-load regulator to

power many of the latest low voltage high current

FPGA and DSP digital core rails.

▪ Full military temperature operation T = -55°C to

125°C ambient range

▪ TID Rad Hard Assurance (RHA) testing

• LDR (≤ 10mrad(Si)/s): 75krad(Si)

▪ SEE Characterization (see SEE report for details)

Applications

▪ High current DC/DC Point-of-Load (POL) for FPGA

and DSP supply rails

▪ 5V or 12V input to 1V output POL regulation

▪ GaN FET motor driver

• No DSEE with V = 20V or PHS = 13.5V at

LET 86MeV·cm²/mg

• No DSEE with V = 20V or PHS = 16.5V at

▪ Combine with ISL73847SEH DC/DC PWM

controller and Renesas GaN FETs for a complete

DC/DC solution

LET 67MeV·cm²/mg

• SEFI <10µm at 86MeV·cm /mg

• No Half-Bridge Shoot-Through SET at LET

86MeV·cm²/mg

▪ Qualified to Renesas Rad Hard QML-V Equivalent

Screening and QCI Flow (R34TB0001EU)

• All screening and QCI is in accordance with

MIL-PRF-38535L Class-V

VBUS

PWM

FLT

VOUT

Half Bridge

Driver

ISL73041SEH

FLT

VFB-

PWM1

VFB+

VREF

ISEN1+

ISEN1-

2ph PWM Controller

ISL73847

DROOP

COMP

ISEN2+

ISEN2-

VBUS

PWM2

IMON SLOPE

PWM

FLT

Half Bridge

Driver

ISL73041SEH

Figure 1. Typical Application Schematic: 2-Phase Controller + Bridge Driver + GaN FETs

for 12V Input, 1.0V Output, 50A DC/DC Converter

R34DS0017EU0103 Rev.1.03

Jan 4, 2024

Page 1

12 3 4 5 6 7...40

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