参数资料
| 型号： | MIC5167YML TR |
| 厂商： | Micrel Inc |
| 文件页数： | 1/23页 |
| 文件大小： | 0K |
| 描述： | IC REG SYNC BUCK 6A 1MHZ 24-MLF |
| 标准包装： | 1 |
| 应用： | 转换器，DDR，QDR |
| 输入电压： | 2.6 V ~ 5.5 V |
| 输出数： | 1 |
| 输出电压： | 最低可调至 0.6V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-VFQFN 裸露焊盘，24-MLF? |
| 供应商设备封装： | 24-MLF?（4x4） |
| 包装： | 标准包装 |
| 其它名称： | 576-3793-6 |
MIC5167
1MHz, 6A, Integrated Switch,
High-Efficiency, Synchronous Buck
DDR Memory Terminator
General Description
Features
The MIC5167 is a high-efficiency, 6A, integrated switch,
synchronous regulator designed for use as a double data
rate (DDR) or quad data rate (QDR) terminator. The
MIC5167 is optimized for highest efficiency, achieving
more than 94% efficiency while still switching at 1MHz
over a broad range. The device works with a small 0.4μH
inductor and 300μF output capacitor. The MIC5167 offers
a simple, low-cost, JEDEC-compliant solution for
terminating high-speed, low-voltage, digital buses (i.e.
DDR, DDR2, DDR3, DDR3L, DDR3UL, DDR4, SCSI, GTL,
SSTL, HSTL, LV-TTL, LV-PECL, and LV_ECL) with a
Power-Good (PG) output.
The output voltage is controlled externally by input to the
VDDQ pin. The output voltage is one-half the voltage
applied to the VDDQ pin. The output voltage can be
adjusted down to 0.6V to address low-voltage power
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Input voltage range: 2.6V to 5.5V
V TT voltage adjustable down to 0.35V
Output load current up to ±6A
Power-Good (PG) fault flag
Efficiency > 94% across a broad load range
Ultra-fast transient response
Easy RC compensation
100% maximum duty cycle
Fully-integrated MOSFET switches
Micropower shutdown
Thermal-shutdown and current-limit protection
24-pin 4mm x 4mm MLF ?
–40 ° C to +125 ° C junction temperature range
The MIC5167 is available in a 24-pin 4mm x 4mm MLF
needs. The MIC5167 will source 6A and sink up to 6A.
A window comparator monitors the output voltage and
controls the PG output. If the output voltage is outside
±15% limit of VREF the PG is driven low.
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with a junction operating range from –40 ° C to +125 ° C.
Data sheets and support documentation can be found on
Micrel’s web site at: www.micrel.com .
Applications
? Double data rate (DDR) or quad data rate (QDR)
memory terminator
? High power density point-of-load conversion
? Servers and routers
? DVD recorders / Blu-ray players
? Computing peripherals
? Base stations
? FPGAs, DSP, and low-voltage ASIC power
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Typical Application
MIC5167 ±6A Synchronous Buck DDR Terminator
Ramp Control is a trademark of Micrel, Inc.
MLF and Micro LeadFrame are registered trademarks of Amkor Technology, 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
January 2012
M9999-012312-B
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