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| 型号： | MIC2164-3YMM |
| 厂商： | Micrel Inc |
| 文件页数： | 1/39页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM 10-MSOP |
| 产品培训模块： | MIC2124 Synchronous Current Mode DC-DC Buck Controller |
| 标准包装： | 100 |
| 系列： | Hyper Speed Control™ |
| PWM 型： | 混合物 |
| 输出数： | 1 |
| 频率 - 最大： | 1.25MHz |
| 占空比： | 66% |
| 电源电压： | 3 V ~ 28 V |
| 降压： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 包装： | 管件 |
| 产品目录页面： | 1092 (CN2011-ZH PDF) |
| 其它名称： | 576-3544-5 |
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MIC2164/-2/-3/C
Synchronous Buck Controllers
Featuring Adaptive On-Time Control
28V Input, Constant Frequency
Hyper Speed Control? Family
General Description
Features
The Micrel MIC2164/-2/-3/C are constant-frequency,
synchronous buck controllers featuring adaptive on-time
control. The MIC2164/-2/-3/C are the first products in the new
Hyper Speed Control? family of buck controllers introduced
by Micrel.
The MIC2164/-2/-3/C controllers operate over an input supply
range of 3V to 28V, and are independent of the IC supply
voltage. The devices are capable of supplying 25A output
current. While the MIC2164 operates at 300kHz, the
MIC2164-2 operates at 600kHz, and the MIC2164-3 operates
at 1MHz.
A unique Hyper Speed Control? architecture allows for ultra-
fast transient response while reducing the output capacitance
and also makes High V IN /Low V OUT operation possible. The
MIC2164/-2/-3/C controllers utilizes an architecture which is
adaptive T ON ripple controlled. A UVLO feature is provided to
ensure proper operation under power-sag conditions to
prevent the external power MOSFET from overheating. A soft
start feature is provided to reduce the inrush current.
Foldback current limit and “hiccup” mode short-circuit
protection ensure FET and load protection.
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Hyper Speed Control? architecture enables
- High delta V operation (V HSD = 28V and V OUT = 0.8V)
- Smaller output capacitors than competitors
3V to 28V input voltage
Any Capacitor TM stable
- Zero ESR to high ESR
25A output current capability
300kHz/600kHz/1MHz switching frequency
Adaptive on-time mode control
Adjustable output from 0.8V to 5.5V with ±1%
(MIC2164/-2/-3) or ±3% (MIC2164C) FB accuracy
Up to 95% efficiency
Foldback current-limit and “hiccup” mode short-circuit
protection
6ms Internal soft start
Thermal shutdown
Safe start-up into pre-biased loads
–40°C to +125°C junction temperature range
Available in 10-pin MSOP package
The MIC2164/-2/-3/C controllers are available in a 10-pin
MSOP (MAX1954A-compatible) package with a junction
operating range from –40°C to +125°C.
All support documentation can be found on Micrel’s web site
at: www.micrel.com .
Applications
? Set-top box, gateways and routers
? Printers, scanners, graphic cards and video cards
? Telecommunication, PCs and servers
________________________________________________________________________________________________________________________
Typical Application
MIC2164
100
95
90
85
80
75
70
65
60
55
50
12V to 3.3V Efficiency
VIN=5V
MIC2164/-2/-3/C Synchronous Controllers Featuring Adaptive On-Time Control
0
4
8 12
OUTPUT CURRENT (A)
16
20
Hype r Speed Control and Any Capacitor is a trademark of Micrel, Inc.
Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 ( 408 ) 944-0800 ? fax + 1 ( 408) 474-1000 ? http://www.micrel.com
Septembe r 2010
M9999-091310-D
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MIC2164-3YMM TR | 功能描述:DC/DC 开关控制器 1MHz PWM Buck Controller RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MIC2164CYMM | 功能描述:DC/DC 开关控制器 Constant Freq Sync DC-DC Buck Controller RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MIC2164CYMM TR | 功能描述:DC/DC 开关控制器 Constant Freq Sync DC-DC Buck Controller RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MIC2164YMM | 功能描述:DC/DC 开关控制器 300kHz PWM Buck Controller RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MIC2164YMM TR | 功能描述:DC/DC 开关控制器 300kHz PWM Buck Controller RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
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