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ISL70001ASEHF

更新时间： 2024-11-18 12:01:35
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英特矽尔 - INTERSIL 稳压器
页数 文件大小 规格书
25页 1511K
描述
Rad Hard and SEE Hard 6A Synchronous Buck Regulator

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ISL70001ASEHF 数据手册

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Rad Hard and SEE Hard 6A Synchronous Buck Regulator  
ISL70001ASEH  
Features  
The ISL70001ASEH is a radiation hardened and SEE hardened  
high efficiency monolithic synchronous buck regulator with  
integrated MOSFETs. This single chip power solution operates  
over an input voltage range of 3V to 5.5V and provides a tightly  
regulated output voltage that is externally adjustable from 0.8V  
to ~85% of the input voltage. Output load current capacity is 6A  
• ±1% Reference Voltage Over Line, Load, Temperature and  
Radiation  
• Current Mode Control for Excellent Dynamic Response  
• Full Mil-Temp Range Operation (T = -55°C to +125°C)  
A
• 50% Lower Shutdown Supply Current than the ISL70001SEH  
• Available in a thermally enhanced heatsink package - R48.B  
• Highly Efficient: 94% Peak Efficiency  
for T < +145°C.  
J
The ISL70001ASEH utilizes peak current-mode control for  
excellent output load transient response and features integrated  
compensation and switches at a fixed frequency of 1MHz to  
reduce component size and count. In application where two POLs  
are needed, two ISL70001ASEH devices can be synchronized  
180° out-of-phase to reduce the overall input RMS ripple current.  
The internal synchronous power switches are optimized for high  
efficiency and good thermal performance.  
• Operates from 3V to 5.5V Supply  
• Adjustable Output Voltage  
- Two External Resistors Set V  
OUT  
from 0.8V to ~85% of V  
IN  
• Bi-directional SYNC Pin Allows Two Devices to be Synchronized  
180° Out-of-Phase  
• Power-Good Output Voltage Monitor  
• Adjustable Analog Soft-Start  
The ISL70001ASEH incorporates fault protection for the  
regulator. The protection circuits include input undervoltage,  
output undervoltage, and output overcurrent.  
• Input Undervoltage, Output Undervoltage and Output  
Overcurrent Protection  
High integration and class leading radiation tolerance makes  
the ISL70001ASEH an ideal choice to power many of today’s  
small form factor applications. Two devices can be  
synchronized to provide a complete power solution for large  
scale digital ICs, like field programmable gate arrays (FPGAs),  
that require separate core and I/O voltages.  
• Electrically Screened to DLA SMD 5962-09225  
• QML Qualified per MIL-PRF-38535 Requirements  
• Radiation Hardness  
- Total Dose [50-300rad(Si)/s] . . . . . . . . . . . . . . 100krad(Si)  
- Total Dose [<10mrad(Si)/s] . . . . . . . . . . . . . . 100krad(Si)*  
Applications  
• FPGA, CPLD, DSP, CPU Core or I/O Voltages  
* Product capability established by initial characterization. The  
EH version is acceptance tested on a wafer-by-wafer basis to  
50krad(Si) at low dose rate.  
• Low-Voltage, High-Density Distributed Power Systems  
• SEE Hardness  
- SEL and SEB LET . . . . . . . . . . . . 86.4MeV/mg/cm min  
2
-6  
Related Literature  
• ISL70001ASEHEV1Z Evaluation Board, AN1842  
eff  
2
2
- SEFI X-section (LET = 86.4MeV/mg/cm ) 1.4 x 10 cm  
eff  
max  
2
- SET LET (< 1 Pulse Perturbation) 86.4MeV/mg/cm min  
eff  
100  
95  
5V Supply  
ISL70001ASEH  
CORE  
AUX  
I/O  
90  
SYNCH  
85  
RAD TOLERANT  
FPGA  
ISL75051SEH  
1.5V  
1.8V  
3.3V  
2.5V  
80  
75  
70  
1.2V  
ISL70001ASEH  
SYNCH  
0
1
2
3
4
5
6
LOAD CURRENT (A)  
FIGURE 1. TYPICAL APPLICATION  
FIGURE 2. EFFICIENCY 5V INPUT, T = +25°C  
A
May 22, 2013  
FN8365.0  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1-888-INTERSIL or 1-888-468-3774 |Copyright Intersil Americas LLC 2013. All Rights Reserved  
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.  
All other trademarks mentioned are the property of their respective owners.  
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ISL70001SEH INTERSIL

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 		Rad Hard and SEE Hard 6A Synchronous Buck Regulator
ISL70001SEH RENESAS

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 		Radiation Hardened and SEE Hardened 6A Synchronous Buck Regulator
ISL70001SEHVF RENESAS

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 		6A SWITCHING REGULATOR, 1200kHz SWITCHING FREQ-MAX, CQFP48, ROHS COMPLIANT, HERMETIC SEALE
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