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参数资料
| 型号： | KSZ9031RN |
| 厂商： | Micrel Inc |
| 文件页数： | 9/67页 |
| 文件大小： | 0K |
| 描述： | IC TXRX 10/100/1000 SGL |
| 标准包装： | 260 |
| 系列： | * |
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Analog Product Highlights
MIC26601/901/1201 - SuperSwitcher II? Buck Regulators
MIC26603/903/1203 - SuperSwitcher IIG? Buck Regulators
The Micrel SuperSwitcher II TM and SuperSwitcher IIG TM families com-
prise synchronous buck regulators featuring a unique adaptive on-time
control architecture. These devices operate over an input supply range of
4.5V to 28V and provide up to 12A of output current. The output voltage is
adjustable down to 0.8V with a guaranteed accuracy of ±1%.
Micrel’s Hyper Speed Control TM architecture allows for ultra-fast tran-
sient response while reducing the output capacitance and also makes
(High V IN )/(Low V OUT ) operation possible. This adaptive t ON ripple control
architecture combines the advantages of fixed-frequency operation and
fast transient response.
Micrel’s HyperLight Load ? architecture provides the same high-efficiency
and ultra-fast transient response as the Hyper Speed Control TM archi-
tecture under medium to heavy loads, but also maintains high efficiency
under light load conditions by transitioning to variable-frequency, discon-
tinuous-mode operation.
The family offers a full suite of protection features to ensure protection
of the IC during fault conditions. These include undervoltage lockout to
ensure proper operation under power-sag conditions, internal soft-start to
reduce inrush current, foldback current limit, “hiccup“ mode short-circuit
protection and thermal shutdown.
Features
? Hyper Speed Control TM architecture (MIC26x01) enables:
— High Delta V operation (V IN = 28V and V OUT = 0.8V)
— Small output capacitance
— Excellent transient response
? HyperLight Load ? (MIC26x03) maximizes light load efficiency:
— Up to 80% at 10mA
? Input voltage range: 4.5V to 28V
? 6A-12A output current capability
? High full-load efficiency: up to 95%
? Adjustable output voltage from 0.8V to 5.5V
? ±1% FB accuracy
? Any Capacitor TM stable - zero-to-high ESR
— Zero-ESR to high-ESR output capacitors
? Power Good (PG) output
? Foldback current-limit and “hiccup“ mode short-circuit protection
? Safe start-up into pre-biased loads
? Available in: 28-pin (5mm x 6mm) MLF ? package
Applications
P/N
MIC26601
MIC26901
MIC261201
MIC26603
MIC26903
MIC261203
Hyper Speed
Control?
X
X
X
X
X
X
HyperLight
Load ?
X
X
X
Max Input
Voltage
28V
28V
28V
28V
28V
28V
Max Output
Current
6A
9A
12A
6A
9A
12A
?
?
?
?
Distributed power systems
Communications/networking infrastructure
Set-top box, gateways and routers
Printers, scanners, graphics and video cards
September, 2011
9
Micrel, Incorporated
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| KSZ9031RNXCA | 功能描述:以太网 IC 1-Port Gigabit Ethernet PHY RoHS:否 制造商:Micrel 产品:Ethernet Switches 收发器数量:2 数据速率:10 Mb/s, 100 Mb/s 电源电压-最大:1.25 V, 3.45 V 电源电压-最小:1.15 V, 3.15 V 最大工作温度:+ 85 C 封装 / 箱体:QFN-64 封装:Tray |
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| KSZ9031RNX-EVAL | 功能描述:以太网开发工具 1-Port Gigabit Ethernet PHY - Evaluation Board RoHS:否 制造商:Micrel 产品:Evaluation Boards 类型:Ethernet Transceivers 工具用于评估:KSZ8873RLL 接口类型:RMII 工作电源电压: |
| KSZ9031RNXIA | 功能描述:以太网 IC 1-Port GigabitEthrnt Ethernet PHY RoHS:否 制造商:Micrel 产品:Ethernet Switches 收发器数量:2 数据速率:10 Mb/s, 100 Mb/s 电源电压-最大:1.25 V, 3.45 V 电源电压-最小:1.15 V, 3.15 V 最大工作温度:+ 85 C 封装 / 箱体:QFN-64 封装:Tray |
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