Radiation Hardened 9A, Non-Inverting Power
MOSFET Drivers
ISL74422ARH
Features
• QML Qualified per MIL-PRF-38535 Requirements
• Electrically Screened to DSCC SMD # 5962-01521
• Radiation Environment
- Total Dose (Max) . . . . . . . . . . . . . .300krad(SI)
- Latch-Up Immune
The Radiation Hardened ISL74422ARH is a non-inverting,
monolithic high-speed MOSFET driver designed to
convert a CMOS level input signal into a high current
output at voltages up to 18V. Its fast rise times and high
current output allow very quick control of even the
largest power MOSFETs in high frequency applications.
• I
. . . . . . . . . . . . . . . . . . . . . . . . . .9A(Min)
• T (C = 10,000pF). . . . . . . 70ns(Typ); 90ns(Max)
PEAK
The input of the ISL74422ARH can be directly driven by
our HS-1825ARH and IS-1845ASRH PWM devices. The
9A high current output minimizes power losses in
MOSFETs by rapidly charging and discharging high gate
capacitances.
F
L
• T (C = 10,000pF) . . . . .90ns(Typ); 105ns(Max)
R
L
• Prop Delay High-Low (C = 10,000pF)
L
. . . . . . . . . . . . . . . . . . . .75ns(Max), 55ns(Typ)
Constructed with the Intersil dielectrically isolated Rad
Hard Silicon Gate (RSG) BiCMOS process, these devices
are immune to Single Event Latch-up and have been
specifically designed to provide highly reliable
• Prop Delay Low-High (C = 10,000pF)
L
. . . . . . . . . . . . . . . . . . . .50ns(Max), 30ns(Typ)
• Consistent Delay Times with V
CC
Changes
• Wide Supply Voltage Range . . . . . . . . . 7V to 18V
• Low Stand-by Power Consumption
- Input Low. . . . . . . . . . . . . . . . . . <2mW(Max)
- Inputs High. . . . . . . . . . . . . . . . <18mW(Max)
performance in harsh radiation environments.
Specifications for Rad Hard QML devices are
controlled by the Defense Supply Center in
Columbus (DSCC). The SMD numbers listed here
must be used when ordering.
• ESD Protected . . . . . . . . . . . . . . . . . . . .>1750V
Detailed Electrical Specifications for these
devices are contained in SMD 5962-01521. A link
is provided on our website for downloading.
Applications
• Switching Power Supplies
• DC/DC Converters
• Motor Controllers
Pin Configuration
ISL74422ARH-F
(FLATPACK CDFP4-F16)
TOP VIEW
NC
NC
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
VS
VS
LVS
IN
NC
OUT
OUT
NC
LGND
NC
NC
NC
GND
GND
April 1, 2010
FN9031.2
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1
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