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数据: TPS6211x 17-V, 1.5-A, Synchronous Step-Down Converter 数据表
TPS6211x器件是一系列低噪声同步降压DC-DC转换器,非常适合2至4供电的系统电池锂离子电池或12 V或15 V电压轨。
TPS6211x器件是同步脉冲宽度调制(PWM)转换器,集成了N和P通道功率MOSFET开关。同步整流用于提高效率和减少外部元件数量。为了在宽负载电流范围内实现最高效率,转换器在轻负载电流下进入节能,脉冲频率调制(PFM)模式。工作频率通常为1 MHz,允许使用小电感和电容值。该器件可以与0.8 MHz至1.4 MHz范围内的外部时钟信号同步。对于低噪声操作,转换器可以在仅PWM模式下运行。在关断模式下,电流消耗降至2μA以下。 TPS6211x系列器件采用16引脚(RSA)VQFN封装,工作温度范围为40°C至85°C。
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 |
TPS62110 | TPS62111 | TPS62112 | TPS62113 |
---|---|---|---|
3.1 | 3.1 | 3.1 | 3.1 |
17 | 17 | 17 | 17 |
1.2 | 3.3 | 5 | 1.2 |
16 | 3.3 | 5 | 16 |
1.5 | 1.5 | 1.5 | 1.5 |
1 | 1 | 1 | 1 |
900 | 900 | 900 | 900 |
1100 | 1100 | 1100 | 1100 |
0.02 | 0.02 | 0.02 | 0.02 |
Enable Forced Pulse Width Modulation (FPWM) Mode Frequency Synchronization Light Load Efficiency Power Good Synchronous Rectification | Enable Forced Pulse Width Modulation (FPWM) Mode Frequency Synchronization Light Load Efficiency Power Good Synchronous Rectification | Enable Forced Pulse Width Modulation (FPWM) Mode Frequency Synchronization Light Load Efficiency Power Good Synchronous Rectification | Enable Forced Pulse Width Modulation (FPWM) Mode Frequency Synchronization Light Load Efficiency Power Good Synchronous Rectification |
Voltage Mode | Voltage Mode | Voltage Mode | Voltage Mode |
100 | 100 | 100 | 100 |
-40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 |
Catalog | Catalog | Catalog | Catalog |
QFN | QFN | QFN | QFN |