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型号： |
S-8353A45MC |
| 标记/丝印/代码/打字： |
IRE |
| 厂家： |
SEIKO |
| 封装： |
SOT-153/SOT23-5 |
| 批号： |
05+ |
| 库存数量： |
15000 |
| 所属分类： |
电源管理ICPower Management IC/PMIC
DC/DC升压转换器DC/DC Step-Up Converter |
| 技术文档PDF： |
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S-8353A45MC IRE 的参数 |
| 控制方式
MODE |
PWM |
| 输入电压VIN
Input Voltage |
〈10V |
| 输出电压VOUT
Output Voltage |
4.5V |
| 输出电流IOUT
Output Current |
320mA/0.32A |
| 震荡频率FOSC
Oscillation Frequency |
50KHz |
| 内置FET
Built-in FET |
有 |
| Description & Applications |
STEP-UP, PWM CONTROL or PWM / PFM SWITCHABLE BUILT-IN TRANSISTOR SWITCHING REGULATOR ? Low voltage operation: Startup at 0.9 V min. (IOUT = 1 mA) guaranteed ? Low current consumption : During operation 18.7 μA (3.3 V, 50 kHz, typ.) During shutdown: 0.5 μA (max.) ? Duty ratio : Built-in PWM switching control circuit (S-8354 Series) 15 % to 83 % (30 kHz and 50 kHz models) 15 % to 78 % (250 kHz models) ? External parts : Coil, capacitor, and diode ? Output voltage : Selectable in 0.1 V steps between 1.5 V and 6.5 V (for VDD / VOUT separate types) Selectable in 0.1 V steps between 2.0 V and 6.5 V (for other than VDD / VOUT separate types) ? Output voltage accuracy : ±2.4% ? Oscillation frequency : 30 kHz, 50 kHz, and 250 kHz selectable ? Soft start function : 6 ms (50 kHz, typ.) ? Lead-free, Sn 100%, halogen-free ? Power supplies for portable equipment such as digital cameras, electronic notebooks, and PDAs ? Power supplies for audio equipment such as portable CD / MD players ? Constant voltage power supplies for cameras, VCRs, and communication devices ? Power supplies for microcomputers |
| 描述与应用 |
STEP-UP PWM控制，PWM / PFM切换 内置的晶体管开关稳压器 ?低电压工作：启动以0.9 V。 （IOUT = 1 mA时）保证 ?低功耗：工作时18.7μA（3.3 V，50 kHz，典型值） 休眠时：0.5μA（最大值） ?占空比：内置PWM切换控制电路（S-8354系列） 15％至83％（30千赫和50千赫模型） 15％?78％（250千赫型号） ?外部部件：线圈，电容器和二极管 ?输出电压：0.1 V步长之间1.5 V和6.5 V（VDD/ VOUT分离型可选） 可选择在0.1 V步骤之间2.0 V和6.5 V（VDD/ VOUT分离型以外） ?输出电压精度：±2.4％ ?振荡频率：30千赫，50千赫，250千赫可选 ?软启动功能：6毫秒（50 kHz，典型值） ?无铅，SN100％，无卤素的 ?电源的便携式设备，如数码相机，电子记事本，PDA ?电源音频设备，如便携式CD/ MD播放器 ?恒压电源，摄像机，录像机，通信设备 ?微机用电源 |
| 技术文档PDF下载 |
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相关型号列表 |
| 型号 |
标记/丝印/代码 |
厂家 |
批号 |
封装 |
数量 |
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| S-8353A45MC |
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| S-8353H50MC |
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电源管理ICPower Management IC/PMIC-DC/DC升压转换器DC/DC Step-Up Converter |
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| S-8353A50UA |
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