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参数资料
| 型号： | MIC2203YMM |
| 厂商： | Micrel Inc |
| 文件页数： | 6/13页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ 0.3A 10MSOP |
| 标准包装： | 100 |
| 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： | 1MHz |
| 电流 - 输出： | 300mA |
| 同步整流器： | 无 |
| 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： | 管件 |
| 供应商设备封装： | 10-MSOP |
| 产品目录页面： | 1092 (CN2011-ZH PDF) |
| 其它名称： | 576-1720-5 MIC2203YMM-ND |
Micrel, Inc.
Functional Description
V IN
V IN provides power to the output and to the internal
bias supply. The supply voltage range is from 2.3V
to 5.5V. A minimum 1 μ F ceramic capacitor is
recommended for bypassing the input supply.
Enable
The enable pin provides a logic level control of the
output. In the off state, supply current of the device
is greatly reduced (typically <1 μ A). Also, in the off
state, the output drive is placed in a “tri-stated”
condition, where both the high side P-Channel
MOSFET and the low-side N-Channel are in an off
or non-conducting state. Do not drive the enable pin
above the supply voltage.
SYNC _I N
SYNC_IN pin enables the ability to change the
fundamental switching frequency. The SYNC_IN
frequency has a minimum frequency of 800KHz and
a maximum sync frequency of 1.2MHz. Careful
attention should be paid to not driving the SYNC_IN
pin greater than the supply voltage. Although this will
not damage the device, it can cause improper
operation.
MIC2203
SYNC_OUT
SYNC_OUT is an open collector output that
provides a signal equal to the internal oscillator
frequency. This creates the ability for multiple
MIC2203s to be connected together in a master-
slave configuration for frequency matching of the
converters. A typical 10k ? resistor is recommended
for the pull-up resistor.
Bias
The bias supply is an internal 2.3V linear regulator
that supplies the internal biasing voltage to the
MIC2203. A 10nF ceramic capacitor is required on
this pin for bypassing. Do not use the bias pin as a
supply. The bias pin was designed to supply internal
power only.
Feedback
The feedback pin provides the control path to control
the output. A resistor divider connecting the
feedback to the output is used to adjust the desired
output voltage. Refer to the feedback section in the
“Applications Information” for more detail.
December 2004
6
M9999-120604
(408) 955-1690
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MIC2203YMM TR | 功能描述:直流/直流开关调节器 1MHz Synchronous Buck Regulator RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MIC2204 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:High-Efficiency 2MHz Synchronous Buck Converter |
| MIC2204_05 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:High-Efficiency 2MHz Synchronous Buck Converter |
| MIC2204-10BMM | 功能描述:IC REG BUCK SYNC ADJ 0.6A 10MSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:20 系列:SIMPLE SWITCHER® 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:12V 输入电压:4 V ~ 60 V PWM 型:电压模式 频率 - 开关:52kHz 电流 - 输出:1A 同步整流器:无 工作温度:-40°C ~ 125°C 安装类型:通孔 封装/外壳:16-DIP（0.300"，7.62mm） 包装:管件 供应商设备封装:16-DIP 其它名称:*LM2575HVN-12LM2575HVN-12 |
| MIC2204-10BMM TR | 功能描述:IC REG BUCK SYNC ADJ 0.6A 10MSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:20 系列:SIMPLE SWITCHER® 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:12V 输入电压:4 V ~ 60 V PWM 型:电压模式 频率 - 开关:52kHz 电流 - 输出:1A 同步整流器:无 工作温度:-40°C ~ 125°C 安装类型:通孔 封装/外壳:16-DIP（0.300"，7.62mm） 包装:管件 供应商设备封装:16-DIP 其它名称:*LM2575HVN-12LM2575HVN-12 |
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