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參數(shù)資料
| 型號(hào)： | ISL6121 |
| 廠商： | Intersil Corporation |
| 英文描述： | Single Supply Integrated Current Limiting Controller(單電源，集成限流控制器) |
| 中文描述： | 單電源集成限流控制器（單電源，集成限流控制器） |
| 文件頁(yè)數(shù)： | 1/11頁(yè) |
| 文件大?。?/td> | 422K |
| 代理商： | ISL6121 |
1
FN9004.2
ISL6121
Single Supply Integrated Current Limiting
Controller
The ISL6121 is a single supply Overcurrent (OC) fault
protection IC for 2.5V to 5V applications where 2A current
limiting is desired. This device features internal current
monitoring and limiting along with a 50m
integrated power
switch and a current limited time out to latch-off feature for
system protection. The time to latch-off is independent of
device temperature, and magnitude of OC.
Each ISL6121 incorporates in a 8 lead SOIC package a
50m
N-channel MOSFET power switch for power control.
The switch is driven by a constant current source giving a
controlled ramp up of the output voltage. This provides a soft
start turn-on eliminating bus voltage drooping caused by in-
rush current while charging heavy load capacitances.
(Enable high (ISL6121H) and enable low (ISL6121L) options
are) available with a fault reporting output compatible with 3V
and 5V logic level signals allowing for external control and
monitoring.
The Under Voltage (UVLO) lockout feature prevents turn-on
of the output unless the correct ENABLE signal and VIN >
2.5V are both present. During initial turn-on the ISL6121
design prevents a fault from being presented by blanking the
fault signal, unlike other vendor devices needing additional
external circuitry to accomplish this. Rising and falling
output is a current-limited voltage ramp so that both the
inrush current and voltage slew rate are limited,
independent of load. This reduces supply droop due to
surge and eliminates the need for external EMI filters.
During operation once an OC condition is detected the
output is current limited to 2A to allow for a transient
condition to pass. If still in current limit after the current limit
period has elapsed the output is latched off and the fault is
reported by pulling the FAULT low. The FAULT signal is
latched low until reset by the enable signal being deasserted
at which time the FAULT signal will clear.
See Figure 1 for typical application configuration
.
Features
0.05
Integrated Power N-channel MOSFET Switch
Accurate Current Sensing and Limiting
12ms Timed Fault Latch-Off, No thermal Dependency
2.5V to 5.5V Operating Range
Under Voltage Lockout
Disabled Output Internally Pulled Low
Controlled Turn On/Off Ramp Times
Fault Output Signal
Logic Level Enable High Inputs (ISL6121H) or Enable Low
Inputs (ISL6121L)
Logic Level Compatible Enable Input and Fault Output
Pb-Free Available (RoHS Compliant)
Applications
Fibre Channel
Industrial Power Control
Hot Plug
FIGURE 1. ISL6121 TYPICAL APPLICATION
1
2
3
4
8
7
6
5
EN
FAULT
VIN
OUT
OUT
VIN
OUT
R
L
C
L
GND
Ordering Information
PART
NUMBER
TEMP. RANGE
(°C)
PACKAGE
PKG.
DWG. #
ISL6121HIB
-40 to 85
8 Ld SOIC
M8.15
ISL6121HIBZA
(See Note)
-40 to 85
8 Ld SOIC
(Pb-free)
M8.15
ISL6121HIB-T
-40 to 85
8 Ld SOIC Tape and Reel
ISL6121HIBZA-T
(See Note)
-40 to 85
(Pb-free)
8 Ld SOIC Tape and Reel
ISL6121LIB
-40 to 85
8 Ld SOIC
M8.15
ISL6121LIBZA
(See Note)
-40 to 85
8 Ld SOIC
(Pb-free)
M8.15
ISL6121LIB-T
-40 to 85
8 Ld SOIC Tape and Reel
ISL6121LIBZA-T
(See Note)
-40 to 85
8 Ld SOIC Tape and Reel
(Pb-free)
ISL6121HEVAL1
Evaluation Platform
NOTE: Intersil Pb-free products employ special Pb-free material sets;
molding compounds/die attach materials and 100% matte tin plate
termination finish, which are RoHS compliant and compatible with
both SnPb and Pb-free soldering operations. Intersil Pb-free products
are MSL classified at Pb-free peak reflow temperatures that meet or
exceed the Pb-free requirements of IPC/JEDEC J STD-020C.
Data Sheet
November 12, 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 trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2001, All Rights Reserved
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISL6121EVAL1 | 功能描述:EVALUATION BOARD ISL6121 RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評(píng)估演示板和套件 系列:- 標(biāo)準(zhǔn)包裝:1 系列:PCI Express® (PCIe) 主要目的:接口，收發(fā)器，PCI Express 嵌入式:- 已用 IC / 零件:DS80PCI800 主要屬性:- 次要屬性:- 已供物品:板 |
| ISL6121HEVAL1 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Single Supply Integrated Current Limiting Controller |
| ISL6121HIB | 功能描述:IC CTRLR POWER SUPPLY SGL 8-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 電源控制器，監(jiān)視器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 應(yīng)用:多相控制器 輸入電壓:- 電源電壓:9 V ~ 14 V 電流 - 電源:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP（5x5） 包裝:帶卷 (TR) |
| ISL6121HIB-T | 功能描述:IC CTRLR POWER SUPPLY SGL 8-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 電源控制器，監(jiān)視器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 應(yīng)用:多相控制器 輸入電壓:- 電源電壓:9 V ~ 14 V 電流 - 電源:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP（5x5） 包裝:帶卷 (TR) |
| ISL6121HIBZA | 功能描述:IC SUPPLY/CURR LIMIT CTRLR 8SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 電源控制器，監(jiān)視器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 應(yīng)用:多相控制器 輸入電壓:- 電源電壓:9 V ~ 14 V 電流 - 電源:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP（5x5） 包裝:帶卷 (TR) |
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