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參數(shù)資料
| 型號(hào)： | ISL72991RHVF |
| 廠商： | INTERSIL CORP |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Radiation Hardened Negative Low Dropout Adjustable Voltage Regulator |
| 中文描述： | 2.25 V-26 V ADJUSTABLE NEGATIVE LDO REGULATOR, 1 V DROPOUT, CDFP28 |
| 封裝： | CERAMIC, DFP-28 |
| 文件頁(yè)數(shù)： | 1/3頁(yè) |
| 文件大小： | 210K |
| 代理商： | ISL72991RHVF |
1
FN9054.1
ISL72991RH
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 (I
LIM
) 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
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
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
VIN
VIN
NC
NC
NC
NC
NC
NC
NC
NC
GND
ILIM
VOUT
VOUT
VIN
VIN
NC
NC
NC
NC
NC
NC
NC
NC
ADJ
SD
VOUT
VOUT
Ordering Information
ORDERING NUMBER
INTERNAL
MKT. NUMBER
TEMP. RANGE
(°C)
5962F0250301VXC
ISL72991RHVF
-55 to 125
5962F0250301QXC
ISL72991RHQF
-55 to 125
5962F0250301V9A
ISL72991RHVX
-55 to 125
ISL72991RHF/Proto
ISL72991RHF/Proto
-55 to 125
Data Sheet
June 2004
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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