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ISL71823ASRHQD PDF预览

ISL71823ASRHQD

更新时间： 2024-11-26 05:39:43
品牌 Logo 应用领域
英特矽尔 - INTERSIL /
页数 文件大小 规格书
3页 64K
描述
Single Event and Total Dose Hardened, High-Speed, Dual Output PWMs

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ISL71823ASRHQD 数据手册

 浏览型号ISL71823ASRHQD的Datasheet PDF文件第2页浏览型号ISL71823ASRHQD的Datasheet PDF文件第3页 
IS-1825ASRH, ISL71823ASRH  
®
Data Sheet  
September 25, 2008  
FN9065.3  
Single Event and Total Dose Hardened,  
High-Speed, Dual Output PWMs  
Features  
• Electrically Screened to DSCC SMD # 5962-02511  
• QML Qualified per MIL-PRF-38535 Requirements  
The single event and total dose hardened IS-1825ASRH and  
ISL71823ASRH pulse width modulators are designed to be  
used in high frequency, switching power supplies in either  
voltage or current-mode configurations. Both designs  
include a precision voltage reference, a low power start-up  
circuit, a high frequency oscillator, a wide-band error  
amplifier and a fast current-limit comparator.  
• Radiation Environment  
- Total Dose. . . . . . . . . . . . . . . . . . . . . 300krad(SI) (max)  
- Latch-up Immune . . . . . . . . . . . . . Dielectrically Isolated  
2
- SEU immune . . . . . . . . . . LET = 35MeV/mg/cm (max)  
• Oscillator Frequency . . . . . . . . . . . . . . . . . . . .1MHz(max)  
• High Output Drive Current . . . . . . . . . . . . . . .1A peak(typ)  
• Low Start-up Current . . . . . . . . . . . . . . . . . . . 300µA(max)  
The IS-1825ASRH features dual, alternating outputs  
operating from zero to less than 50% duty-cycle, while the  
ISL71823ASRH features dual, in-phase outputs operating  
from zero to less than 100% duty cycle.  
• Undervoltage Lockout  
- Start Threshold . . . . . . . . . . . . . . . . . . . . . . . .8.8V(max)  
- Stop Threshold . . . . . . . . . . . . . . . . . . . . . . . . 7.6V(min)  
- Hysteresis. . . . . . . . . . . . . . . . . . . . . . . . . . 300mV(min)  
Constructed with the Intersil 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.  
• Improved Soft-Start Function Compared with Commercial  
1825A/1823A Types  
• Pulse-by-Pulse Current Limiting  
Detailed Electrical Specifications for these devices are  
contained in SMD 5962-02511. A “hot-link” is provided  
on our website for downloading the SMD.  
• Latched Overcurrent Comparator with Full Cycle Restart  
• Programmable Leading Edge Blanking  
Applications  
• Voltage or Current-Mode Switching Power Supplies  
• Control of High Current MOSFET Drivers  
• Motor Speed and Direction Control  
Pinouts  
IS1-1825ASRH, ISL71823ASRHQD  
(CDIP2-T16 SBDIP)  
IS9-1825ASRH, ISL71823ASRHQF  
(CDFP4-F20 FLATPACK)  
TOP VIEW  
TOP VIEW  
NC  
INV  
1
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
VREF  
VCC  
INV  
NON-INV  
E/A OUT  
CLK/LEB  
RT  
1
2
3
4
5
6
7
8
16 VREF  
15 VCC  
2
NON-INV  
E/A OUT  
CLK/LEB  
RT  
3
OUT B  
PGND  
VC  
14 OUT B  
13 VC  
4
5
12 PGND  
11 OUT A  
10 GND  
6
VC  
CT  
CT  
7
PGND  
OUT A  
GND  
RAMP  
SS  
8
RAMP  
SS  
9
9
ILIM/SD  
NC  
10  
ILIM/SD  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a trademark of Intersil Americas Inc.  
Copyright © Intersil Americas Inc. 2002, 2005, 2008. All Rights Reserved  
1
All other trademarks mentioned are the property of their respective owners.  
123

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