2.8V-5.5V输入电压, 4A单同步降压转换器
| Part number | SA23004XHQ |
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| Channel(#) | 1 |
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| Vin (min) (V) | 2.8 |
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| Vin (max) (V) | 5.5 |
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| Switching frequency (min)(kHz) | 1800 |
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| Switching frequency (max)(kHz) | 3000 |
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| Vout (min) (V) | 0.6 |
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| Vout (max) (V) | 5.5 |
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| Iout (max) (A) | 4 |
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| Vout2 (min)(V) | |
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| Vout2 (max )(V) | |
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| Iout2 (max)(A) | |
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| Vref accuracy (±%) | 1.2 |
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| Vout accuracy(±%) | |
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| Control mode | Peak current control |
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| Duty cycle (max)(%) | 100 |
|---|
| Operation mode | PFM/FCCM |
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| Iq (typ) (uA) | 36 |
|---|
| Features | Enable,Power good,Auto-Discharge,Adjustable soft-start,Low Iq,Wettable flanks package,UVP with hiccup,100% duty cycle,Low ISD,Adjustable switching frequency,Spread spectrum,Cycle by cycle overcurrent protection,Forced PWM,Frequency synchronization,Pre-Bia |
|---|
| Package | QFN2×3-9 |
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| Operating temperature range(°C) | -40 to 125 |
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| Functional safety category | Capable |
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• 输入电压范围：2.8~5.5V
• 最大输出电流：4A
• 反馈基准电压精度：±1.2%
• 1μA典型关断电流
• 36µA典型静态电流
• 可调开关频率范围： 1.8MHz~3MHz
• 可选PWM或PFM轻载运行模式
• 外部可编软启动时间
• 支持100%占空比工作
• 带改善EMI的抖频功能
• 逐周期限流保护
• 打嗝模式短路保护
• 电源正常指示
• 过热保护
• 封装: QFN2×3-9
• 获得AEC-Q100 Grade 1认证
評估板
EVB_SA23004XHQ评估板用于评估2.8V-5.5V输入电压, 4A单同步降压转换器。
