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參數(shù)資料
| 型號(hào)： | X80070Q20I |
| 廠商： | INTERSIL CORP |
| 元件分類(lèi)： | 電源管理 |
| 英文描述： | Tantalum Capacitor; Capacitor Type:General Purpose; Voltage Rating:16VDC; Capacitor Dielectric Material:Tantalum; Capacitance:3.3uF; Capacitance Tolerance:+/- 10%; ESR:5ohm; Leaded Process Compatible:Yes; Leakage Current:0.5uA RoHS Compliant: Yes |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC20 |
| 封裝： | 5 X 5 MM, 0.65 MM PITCH, MO-220WHHC-2, , QFN-20 |
| 文件頁(yè)數(shù)： | 1/14頁(yè) |
| 文件大小： | 278K |
| 代理商： | X80070Q20I |
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1
FN8150.0
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-352-6832
Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
X80070, X80071, X80072, X80073
Hot Swap Controller with
Advanced Fault Protection and
Voltage Regulator Output
FEATURES
Hot swap controller
— Overvoltage and undervoltage protection
— Undervoltage lockout for battery/redundant supplies
— Electronic circuit breaker
— Slew Rate for External FET Gate Control
— Overcurrent Detection and Gate Shut-off
— 3X overcurrent limit on insertion
— 5μs overcurrent filter
— Hardshort Retry and Indicator
— Typically operates from -30V to -80V. Tolerates tran-
sients to -200V (limited by external components)
— Positive Voltages (low side switching) from 12V to 60V
— Soft Re-insertion
— Soft extraction
Battery backup mode
Hardshort retry
Overcurrent Filter
Insertion Limits.
Selectable Gate Current
Voltage Regulator Output for Supervisory Functions
Debounced manual reset input
Available packages
— 20-lead Quad No-Lead Frame (QFN)
APPLICATIONS
-48V Hot Swap Power Backplane/Distribution Central
Office, Ethernet for VOIP
Positive Voltage Hotswap 12V to 60V Applications
(low side switching)
Card Insertion Detection
IP Phone Applications
Databus Power Interfacing
Custom Industrial Power Backplanes
Distributed Power Systems
DESCRIPTION
The X80070 is a hot swap controller that allows a board to be
safely inserted and removed from a live backplane without
turning off the main power supply.
During insertion, the gate of an external power MOSFET is
clamped
low
to
suppress
undervoltage/overvoltage circuits and the power-on reset
circuitry suppress the gate turn on until the mechanical bounce
has ended. The X80070 turns on the gate with a slew rate to
limit the inrush current and incorporates an electronic circuit
breaker set by a sense resistor. After the load is successfully
charged, the PWRGD signal is asserted; indicating that the
device is ready to power sequence the DC-DC power bricks.
contact
bounce.
The
At all times, the X80070 monitors for undervoltage, overvoltage,
and overcurrent conditions. If any fault occurs, the gate will be
immediately shut off and the PWRGD will be returned to the
inactive state. The X80070 contains overvoltage, undervoltage
and overcurrent detection, hardshort retry, gate control slew
rate and power good control.
TYPICAL APPLICATION
V
DD
X80070
V
UV/OV
OV=75V
V
EE
SENSE
UV=43V
-48V
GATE
Rs
0.02
5%
R4
182k
1%
R5
30k
1%
R6
10k
1%
Q1
IRFR120
DC-DC
Module
1
ON/OFF
PWRGD
100
22K
3.3n
100n
V
RGO
I
GQ1
I
GQ0
Gate
Current
Select
-48V
Return
*
*
*
*
Optional components
Depends on choice of DC-DC Module
Data Sheet
March 15, 2005
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| X80070 | Hot Swap Controller with Advanced Fault Protection and Voltage Refulator Output |
| X80071 | Hot Swap Controller with Advanced Fault Protection and Voltage Refulator Output |
| X80072 | Hot Swap Controller with Advanced Fault Protection and Voltage Refulator Output |
| X80072Q20I | Hot Swap Controller with Advanced Fault Protection and Voltage Refulator Output |
| X80073Q20I | Hot Swap Controller with Advanced Fault Protection and Voltage Refulator Output |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| X80071 | 制造商:INTERSIL 制造商全稱(chēng):Intersil Corporation 功能描述:Hot Swap Controller with Advanced Fault Protection and Voltage Refulator Output |
| X80071Q20I | 制造商:INTERSIL 制造商全稱(chēng):Intersil Corporation 功能描述:Hot Swap Controller with Advanced Fault Protection and Voltage Refulator Output |
| X80072 | 制造商:INTERSIL 制造商全稱(chēng):Intersil Corporation 功能描述:Hot Swap Controller with Advanced Fault Protection and Voltage Refulator Output |
| X80072Q20I | 制造商:INTERSIL 制造商全稱(chēng):Intersil Corporation 功能描述:Hot Swap Controller with Advanced Fault Protection and Voltage Refulator Output |
| X80073 | 制造商:INTERSIL 制造商全稱(chēng):Intersil Corporation 功能描述:Hot Swap Controller with Advanced Fault Protection and Voltage Refulator Output |
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