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数据： LM5010A, LM5010A-Q1 High-Voltage 1-A Step-Down Switching Regulator 数据表
LM5010Ax降压型开关稳压器是LM5010的增强版本，输入工作范围扩展至最低6 V. LM5010Ax具有实现低成本，高效降压稳压器所需的所有功能，能够提供超过1A的负载电流。该高压稳压器集成了N通道降压开关，采用耐热增强型10引脚WSON和14引脚HTSSOP封装。恒定的导通时间调节方案不需要环路补偿，从而实现快速的负载瞬态响应和简化的电路实现。由于输入电压和导通时间之间的反比关系，工作频率保持恒定，线路和负载变化。谷值电流限制检测设置为1.25 A.其他功能包括：VCC欠压锁定，热关断，栅极驱动欠压锁定和最大占空比限制。
| Vin (Min) (V) |
| Vin (Max) (V) |
| Vout (Min) (V) |
| Vout (Max) (V) |
| Iout (Max) (A) |
| Regulated Outputs (#) |
| Switching Frequency (Min) (kHz) |
| Switching Frequency (Max) (kHz) |
| Iq (Typ) (mA) |
| Features |
| Control Mode |
| Duty Cycle (Max) (%) |
| Operating Temperature Range (C) |
| Rating |
| Package Group |
| LM5010A-Q1 | LM25010 | LM25017 | LM5007 | LM5010 | LM5010A | LM5017 | LM5160-Q1 | LM5160A |
|---|---|---|---|---|---|---|---|---|
| 6 | 6 | 7.5 | 9 | 8 | 6 | 7.5 | 4.5 | 4.5 |
| 75 | 42 | 48 | 75 | 75 | 75 | 100 | 65 | 65 |
| 2.5 | 2.5 | 1.25 | 2.5 | 2.5 | 2.5 | 1.25 | 2 | 2 |
| 70 | 37 | 40 | 73 | 70 | 70 | 90 | 60 | 60 |
| 1 | 1 | 0.65 | 0.5 | 1 | 1 | 0.65 | 1.5 | 2 |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| 50 | 50 | 240 | 50 | 50 | 50 | 50 | 50 | 50 |
| 1000 | 1000 | 1000 | 800 | 1000 | 1000 | 1000 | 1000 | 1000 |
| 0.65 | 0.645 | 1.75 | 0.5 | 0.65 | 0.65 | 1.75 | 2.3 | 2.3 |
| Enable | Enable | Synchronous Rectification | Enable | Enable | Enable | Synchronous Rectification UVLO Adjustable | Enable Light Load Efficiency Pre-Bias Start-Up Synchronous Rectification UVLO Adjustable | Enable Light Load Efficiency Pre-Bias Start-Up Synchronous Rectification UVLO Adjustable |
| Constant on-time (COT) | Constant on-time (COT) | Constant on-time (COT) | Constant on-time (COT) | Constant on-time (COT) | Constant on-time (COT) | Constant on-time (COT) | Constant on-time (COT) | Constant on-time (COT) |
| 99 | 99 | 90 | 99 | 99 | 99 | 90 | 92 | 92 |
| -40 to 125 -40 to 150 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 150 | -40 to 125 | -40 to 125 | -40 to 125 |
| Automotive | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Automotive | Catalog |
| HTSSOP | HTSSOP WSON | SO PowerPAD WSON | VSSOP WSON | HTSSOP WSON | HTSSOP WSON | SO PowerPAD WSON | HTSSOP | WSON |
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