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Microchip微芯 MIC2295 产品介绍
2026-04-14
0次
说明
MIC2295是一款1.2Mhz、PWM DC/DC升压开关稳压器。MIC2295的内部34V/1.2A开关实现了高功率密度，使其能够在很小的占地面积内为大负载供电。MIC2295实现恒定频率1.2MHz PWM电流模式控制。MIC2295提供内部补偿，提供卓越的瞬态响应和输出调节性能。高频操作通过允许小型、低轮廓的外部组件来节省板空间。固定频率PWM方案还减少了杂散开关噪声和输入电源的纹波。MIC2295的工作结温度范围为-40°C至+125°C。
特性
- 2.5V to 10V input voltage range
- Output voltage adjustable to 34V
- 1.2A(min) / 1.7A(typ) switch current
- 1.2MHz PWM operation
- Stable with small size ceramic capacitors
- High efficiency
- Low input and output ripple
- <1µA shutdown current
- UVLO
- Output over-voltage protection
- Over temperature shutdown
- Thin SOT23-5 package option
- -40°C to +125°C junction temperature range
参数
类型 | 描述 |
Regulator Type | Step Up (Boost) |
Switching Frequency (kHz) | 1200 |
Input Voltage Range Min | 2.5 |
Input Voltage Range Max | 10 |
Output Current | 2000 |
Temp Range Min | -40 |
Temp Range Max | 125 |
Alternative Topology | SEPIC, CUK, Flyback |
Vout Min (V) | 3 |
Vout Max (V) | 34 |
Quiescent Current (mA) typ | 2.8 |
Light Load Efficiency Mode | No |
Switch current (A) typ | 1.7 |
Automotive Qualified | No |
SHUTDOWN Current (µA) (Typ) | 0.1 |
Vfb (V) | 1.24 |
Synchronous Rectifier | No |
Duty Cycle Max (%) | 90 |
