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IS7-1845ASRH-8

更新时间： 2024-09-24 22:05:51
品牌 Logo 应用领域
英特矽尔 - INTERSIL /
页数 文件大小 规格书
2页 57K
描述
Single Event Radiation Hardened High Speed, Current Mode PWM

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IS7-1845ASRH-8 数据手册

 浏览型号IS7-1845ASRH-8的Datasheet PDF文件第2页 
IS-1845ASRH  
®
Data Sheet  
October 2003  
FN9001.3  
Single Event Radiation Hardened  
High Speed, Current Mode PWM  
Features  
• Electrically Screened to DSCC SMD # 5962-01509  
• QML Qualified per MIL-PRF-38535 Requirements  
The IS-1845ASRH is designed to be  
used in switching power supplies  
operating in current-mode. The  
rising edge of the on-chip oscillator  
TM  
• Radiation Environment  
- Total Dose . . . . . . . . . . . . . . . . . . . . 300 krad(SI) (Max)  
- SEL Immune. . . . . . . . . . . . . . . . . Dielectrically Isolated  
turns on the output. Turn-off is controlled by the current  
sense comparator and occurs when the sensed current  
reaches a peak controlled by the error amplifier.  
2
- SEU Immune . . . . . . . . . . . . . . . . . . . . 35MeV/mg/cm  
2
-6  
2
- SEU Cross-Section at 89MeV/mg/cm . . . . 5 x 10 cm  
Constructed with Intersil’s Rad Hard Silicon Gate (RSG)  
dielectrically isolated BiCMOS process, these devices are  
immune to single event latch-up and have been specifically  
designed to provide a high level of immunity to single event  
transients. All specified parameters are guaranteed and  
tested for 300krad(Si) total dose performance.  
• Low Start-up Current . . . . . . . . . . . . . . . . . . . 100µA (Typ)  
• Fast Propagation Delay . . . . . . . . . . . . . . . . . . 80ns (Typ)  
• Supply Voltage Range . . . . . . . . . . . . . . . . . . . 12V to 20V  
• High Output Drive. . . . . . . . . . . . . . . . . . . . 1A (Peak, Typ)  
• Under Voltage Lockout. .8.8V Start (Typ), 8.2V Stop (Typ)  
Detailed Electrical Specifications for these devices are  
contained in SMD 5962-01509. A “hot-link” is provided on  
our website for downloading the SMD.  
Applications  
• Current-Mode Switching Power Supplies  
• Control of High Current FET Drivers  
• Motor Speed and Direction Control  
Pinouts  
IS7-1845ASRH (CDIP2-T8 SBDIP)  
TOP VIEW  
Ordering Information  
COMP  
VFB  
1
2
3
4
8
7
6
5
VREF  
VCC  
OUT  
GND  
INTERNAL  
TEMP. RANGE  
o
ORDERING NUMBER  
5962F0150901VPC  
5962F0150901QPC  
5962F0150901VXC  
5962F0150901QXC  
IS7-1845ASRH/Proto  
IS9-1845ASRH/Proto  
MKT. NUMBER  
( C)  
ISENSE  
RTCT  
IS7-1845ASRH-Q  
IS7-1845ASRH-8  
IS9-1845ASRH-Q  
IS9-1845ASRH-8  
IS1-1845ASRH/Proto  
IS9-1845ASRH/Proto  
-50 to 125  
-50 to 125  
-50 to 125  
-50 to 125  
-50 to 125  
-50 to 125  
IS9-1845ASRH (FLATPACK)  
TOP VIEW  
NC  
COMP  
VFB  
1
2
3
4
5
6
7
8
9
NC  
18  
17  
VREF  
VCC  
VC  
16  
15  
14  
13  
12  
11  
10  
NC  
NC  
OUT  
NC  
NC  
ISENSE  
RTCT  
NC  
GND  
OSCGND  
NC  
NOTES:  
1. Grounding the Comp pin does not inhibit the output. The output  
may be inhibited by applying >1.2V to the ISENSE pin.  
2. This part should be operated with CT=3.3nF and RT=10k timing  
components only.  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1
1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc.  
Copyright © Intersil Americas Inc. 2003. All Rights Reserved.  
All other trademarks mentioned are the property of their respective owners.  
12

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