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参数资料
| 型号： | ISL6127IRZA-T |
| 厂商： | Intersil |
| 文件页数： | 1/23页 |
| 文件大小： | 0K |
| 描述： | IC POWER SUPPLY SEQUENCER 24QFN |
| 标准包装： | 6,000 |
| 应用： | 电源序列发生器 |
| 电源电压： | 1.5 V ~ 5.5 V |
| 电流 - 电源： | 200µA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-VFQFN 裸露焊盘 |
| 供应商设备封装： | 24-QFN 裸露焊盘（4x4） |
| 包装： | 带卷 (TR) |
Power Sequencing Controllers
ISL6123, ISL6124, ISL6125,
ISL6126, ISL6127, ISL6128,
ISL6130
The Intersil ISL6123, ISL6124, ISL6125, ISL6126, ISL6127,
ISL6128 and ISL6130 are integrated 4-channel
controlled-on/controlled-off power-supply sequencers with
supply monitoring, fault protection and a “sequence completed”
signal (RESET). For larger systems, more than four supplies can
be sequenced by simply connecting a wire between the
SYSRESET pins of cascaded ICs. The ISL6125 uses four active
open-drain outputs to control the on/off sequencing of four
supplies. The other sequencers use a patented, micropower 7x
charge pump to drive four external low-cost NFET switch gates
above the supply rail by 5.3V. These ICs can be biased from 5V
down to 1.5V by any supply.
The 4-channel ISL6123 (ENABLE input), ISL6124 (ENABLE
input) and ISL6125 offer the designer 4-rail control when all
four rails must be in minimal compliance before turn-on and
during operation. The ISL6123 and ISL6130 have a low-power
standby mode when disabled, which is suitable for
battery-powered applications.
The ISL6125 operates like the ISL6124, but instead of
charge-pump-driven gate drive outputs, it has open-drain logic
outputs for direct interface to other circuitry.
In contrast, for the ISL6126 and ISL6130, each of the four
channels operates independently. Each GATE turns on once its
individually associated input voltage requirements are met.
The ISL6127 is a pre-programmed A-B-C-D turn-on and D-C-B-A
turn-off sequenced IC. Once all inputs are in compliance and
Features
? Enables Arbitrary Turn-on and Turn-off Sequencing of Up to Four
Power Supplies (0.7V to 5V)
? Operates From 1.5V to 5V Supply Voltage
? Supplies V DD +5.3V of Charge Pumped Gate Drive
? Adjustable Voltage Slew Rate for Each Rail
? Multiple Sequencers Can be Daisy-Chained to Sequence an
Infinite Number of Independent Supplies
? Glitch Immunity
? Undervoltage Lockout for Each Supply
? 1μA Sleep State (ISL6123, ISL6130)
? Active High (ISL6123, ISL6130) ENABLE or Low (ISL6124,
ISL6125, ISL6126, ISL6127, ISL6128) ENABLE Input
? Active Open Drain Version Available (ISL6125)
? Voltage-determined Sequence (ISL6126, ISL6130)
? Pre-programmed Sequence Available (ISL6127)
? Dual Channel Groupings (ISL6128)
? QFN Package
? Pb-free (RoHS-compliant)
Applications
? Graphics Cards
? FPGA/ASIC/Microprocessor/PowerPC Supply Sequencing
? Network Routers
? Telecommunications Systems
V1 V1OUT
ENABLE is asserted, sequencing begins. Each subsequent GATE
turns on after the previous one turns on.
The ISL6128 has two groups of two channels, each with its
independent I/O. It is ideal for voltage sequencing into
redundant capability loads. All four inputs must be satisfied
before turn-on, but a single group fault is ignored by the other
group.
External resistors provide flexible voltage threshold
programming of monitored rail voltages. Delay and
sequencing are provided by external capacitors for ramp-up
and ramp-down.
Additional I/O is provided for indicating and driving the RESET
V2
V3
V4
UVLO_A
UVLO_B
UVLO_C
UVLO_D
V DD
ENABLE
SYSRST
RESET
GROUND
V2OUT
V3OUT
V4OUT
state in various configurations.
For volume applications, other programmable options and
features are available. Contact Intersil sales support with your
needs.
FIGURE 1. TYPICAL ISL6123 APPLICATION
September 26, 2012
FN9005.12
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas Inc. 2001, 2003-2008, 2011, 2012. 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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相关代理商/技术参数 |
参数描述 |
|---|---|
| ISL6128 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Power Sequencing Controllers |
| ISL6128IR | 功能描述:IC CTRLR PWR SEQUENCE 4CH 24-QFN RoHS:否 类别:集成电路 (IC) >> PMIC - 电源控制器，监视器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 应用:多相控制器 输入电压:- 电源电压:9 V ~ 14 V 电流 - 电源:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（5x5） 包装:带卷 (TR) |
| ISL6128IR-T | 功能描述:IC CTRLR PWR SEQUENCE 4CH 24-QFN RoHS:否 类别:集成电路 (IC) >> PMIC - 电源控制器，监视器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 应用:多相控制器 输入电压:- 电源电压:9 V ~ 14 V 电流 - 电源:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（5x5） 包装:带卷 (TR) |
| ISL6128IRZA | 功能描述:IC POWER SUPPLY SEQUENCER 24QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电源控制器，监视器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 应用:多相控制器 输入电压:- 电源电压:9 V ~ 14 V 电流 - 电源:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（5x5） 包装:带卷 (TR) |
| ISL6128IRZA-T | 功能描述:IC POWER SUPPLY SEQUENCER 24QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电源控制器，监视器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 应用:多相控制器 输入电压:- 电源电压:9 V ~ 14 V 电流 - 电源:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（5x5） 包装:带卷 (TR) |
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