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5962F0250301V9A View Datasheet(PDF) - Intersil

Part Name
Description
Manufacturer
5962F0250301V9A Datasheet PDF : 3 Pages
1 2 3
®
Data Sheet
June 2004
ISL72991RH
FN9054.1
Radiation Hardened Negative Low
Dropout Adjustable Voltage Regulator
The radiation hardened ISL72991RH is a low dropout
adjustable negative regulator with an output voltage range of
-2.25V to -26V. The device features a 1A output current
capability, an adjustable current limit pin (ILIM) and a
shutdown pin (SD) for easy on/off control.
The device incorporates unique circuitry that enables
precision performance over the -55°C to +125°C temperature
range and post-irradiation. Specifications include a reference
voltage of -1.25V +40mV/-50mV (max), line regulation of
±25mV (max), and load regulation of ±15mV (max).
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 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.
Detailed Electrical Specifications for these devices are
contained in SMD 5962-02503. A ‘hotlink’ is provided on
the Intersil website for downloading.
Pinout
ISL72991RHF (FLATPACK CDFP3-F28)
TOP VIEW
VIN
1
VIN
2
NC
3
NC
4
NC
5
NC
6
NC
7
NC
8
NC
9
NC
10
GND
11
ILIM
12
VOUT
13
VOUT
14
28
VIN
27
VIN
26
NC
25
NC
24
NC
23
NC
22
NC
21
NC
20
NC
19
NC
18
ADJ
17
SD
16
VOUT
15
VOUT
Features
• Electrically Screened to DSCC SMD # 5962-02503
• QML Qualified per MIL-PRF-38535 Requirements
• Radiation Environment
- Total Dose (Max) . . . . . . . . . . . . . . . . . . . . 300krad(SI)
- Latch-Up Immune
• Line Regulation . . . . . . . . . . . . . . . . . . . . . . ±25mV (max)
• Load Regulation . . . . . . . . . . . . ±12mV (typ); ±15mV (max)
• Output Voltage Range . . . . . . . . . . . . . . . . -2.25V to -26V
• Dropout Voltage (100mA). . . . . . . . 0.2V (typ); 0.3V (max)
• Dropout Voltage (1A) . . . . . . . . . . . . . . . . . . . . . .1V (max)
• Minimum Load Current. . . . . . . . . . . . . . . . . . . . . . .3.0mA
• TTL Input-Level Shutdown (SD); Low = On
Applications
• Switching Power Supplies
• DC/DC Converters
• Motor Controllers
Ordering Information
ORDERING NUMBER
INTERNAL
MKT. NUMBER
5962F0250301VXC
ISL72991RHVF
5962F0250301QXC
ISL72991RHQF
5962F0250301V9A
ISL72991RHVX
ISL72991RHF/Proto ISL72991RHF/Proto
TEMP. RANGE
(°C)
-55 to 125
-55 to 125
-55 to 125
-55 to 125
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright © Intersil Americas Inc. 2002, 2004. All Rights Reserved.
All other trademarks mentioned are the property of their respective owners.
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