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| 型号： | XC9236A33DMR-G |
| 厂商： | Torex Semiconductor Ltd |
| 文件页数： | 19/34页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC 3.3V .6A SOT-25 |
| 特色产品： | XC9235 and XC9236 Series of Step-Down DC/DC Converters |
| 标准包装： | 1 |
| 类型： | 降压（降压） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 3.3V |
| 输入电压： | 2 V ~ 6 V |
| 频率 - 开关： | 3MHz |
| 电流 - 输出： | 600mA |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SC-74A，SOT-753 |
| 包装： | 标准包装 |
| 供应商设备封装： | SOT-25 |
| 其它名称： | 893-1162-6 |
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XC9235/XC9236/XC9237
Series
■ NOTE ON USE (Continued)
15. In order to stabilize V IN ’s voltage level and oscillation frequency, we recommend that a by-pass capacitor (C IN ) be
connected as close as possible to the V IN & V SS pins.
16. High step-down ratio and very light load may lead an intermittent oscillation.
17. During PWM / PFM automatic switching mode, operating may become unstable at transition to continuous mode.
Please verify with actual parts.
18. Please note the inductance value of the coil. The IC may enter unstable operation if the combination of ambient
temperature, setting voltage, oscillation frequency, and L value are not adequate.
In the operation range close to the maximum duty cycle, The IC may happen to enter unstable output voltage operation
even if using the L values listed below.
<External Components>
● The Range of L Value
f OSC V OUT
L Value
3.0MHz
1.2MHz
0.8V ＜ V OUT <4.0V
V OUT ≦ 2.5V
2.5V ＜ V OUT
1.0 μ H ～ 2.2 μ H
3.3 μ H ～ 6.8 μ H
4.7 μ H ～ 6.8 μ H
*When a coil less value of 4.7 μ H is used at
f OSC =1.2MHz or when a coil less value of 1.5 μ H is
used at f OSC =3.0MHz, peak coil current more easily
reach the current limit ILMI. In this case, it may
happen that the IC can not provide 600mA output
current.
19. It may happen to enter unstable operation when the IC goes into continuous operation mode under the condition of large
input-output voltage difference. Care must be taken with the actual design unit.
<External Components>
20. Torex places an importance on improving our products and their reliability.
We request that users incorporate fail-safe designs and post-aging protection treatment when using Torex products in their
systems.
19/34
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相关代理商/技术参数 |
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|---|---|
| XC9236B08C4R-G | 制造商:TOREX 制造商全称:Torex Semiconductor 功能描述:600mA Driver Tr. Built-In, Synchronous Step-Down DC/DC Converters |
| XC9236B08CER | 制造商:TOREX 制造商全称:Torex Semiconductor 功能描述:600mA Driver Tr. Built-In, Synchronous Step-Down DC/DC Converters |
| XC9236B08CER-G | 制造商:TOREX 制造商全称:Torex Semiconductor 功能描述:600mA Driver Tr. Built-In, Synchronous Step-Down DC/DC Converters |
| XC9236B08CMR | 制造商:TOREX 制造商全称:Torex Semiconductor 功能描述:600mA Driver Tr. Built-In, Synchronous Step-Down DC/DC Converters |
| XC9236B08CMR-G | 制造商:TOREX 制造商全称:Torex Semiconductor 功能描述:600mA Driver Tr. Built-In, Synchronous Step-Down DC/DC Converters |
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