参数资料
型号: MIC2202YMM TR
厂商: Micrel Inc
文件页数: 9/19页
文件大小: 0K
描述: IC REG BUCK ADJ 0.6A 10MSOP
标准包装: 2,500
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 可调至 0.5V
输入电压: 2.3 V ~ 5.5 V
PWM 型: 电压模式
频率 - 开关: 2MHz
电流 - 输出: 600mA
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
包装: 带卷 (TR)
供应商设备封装: 10-MSOP
其它名称: MIC2202YMMTR
MIC2202YMMTR-ND
Micrel, Inc.
PWM control provides fixed frequency operation. By
maintaining a constant switching frequency, predictable
fundamental and harmonic frequencies are achieved.
Other methods of regulation, such as burst and skip
modes, have frequency spectrums that change with load
that can interfere with sensitive communication equip-
ment.
Synchronization
Sync_In allows the user to change the frequency from
2MHz up to 2.5MHz or down to 1.6MHz. This allows the
ability to control the fundamental frequency and all the
resultant harmonics. Maintaining a predictable frequency
MIC2202
“Master”
MIC2202
creates the ability to either shift the harmonics away
from sensitive carrier and IF frequency bands or to
accurately filter out specific harmonic frequencies.
The Sync_Out function pin allows for the ability to be
able to sync up multiple MIC2202s in a “daisy-chain”,
connecting Sync_Out to Sync_In of the other MIC2202.
Synchronizing multiple MIC2202s benefits much in the
same way as syncing up one MIC2202. All regulators
will run at the same fundamental frequency, resulting in
matched harmonic frequencies, simplifying designing for
sensitive communication equipment.
VIN
SW
BIAS
SYNC_IN
SYNC_OUT
FB
MIC2202
“Slave”
VIN
SW
BIAS
SYNC_IN
SYNC_OUT
FB
Figure 4. Master-Slave Operation
Figure 5. Master-Slave Synchronization Waveforms
March 2007
9
M9999-031907
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