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数据： 350-mA, 6-MHz HIGH-EFFICIENCY STEP-DOWN CONVERTER IN CHIP-SCALE PACKAGING 数据表
TPS6261x器件是一款高频同步降压DC-DC转换器，专为电池供电的便携式应用而优化。 TPS6261x专为低功耗应用而设计，可支持高达350 mA的负载电流，并允许使用低成本芯片电感和电容。
具有2.3V至5.5V的宽输入电压范围，该器件支持具有扩展电压范围的锂离子电池供电的应用。不同的固定电压输出版本可在1.2V至2.3V范围内使用。
TPS6261x以6 MHz的稳定开关频率工作，并在轻负载电流下进入省电模式，以保持高效率。整个负载电流范围。
PFM模式通过在轻负载操作期间将静态电流降至31μA（典型值）来延长电池寿命。对于低频噪声敏感应用，可以通过将MODE引脚拉高来强制器件进入固定频率PWM模式。这些特性与高PSRR和交流负载调节性能相结合，使该器件适合取代线性稳压器，以获得更好的功率转换效率。
TPS6261x采用6引脚超薄芯片级封装（CSP，最大高度0.4mm）。
NanoFree是德州仪器公司的商标。
| 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 |
| TPS62619 | TPS62612 | TPS62615 | TPS62616 | TPS62620 | TPS62621 | TPS62622 | TPS62623 | TPS62624 | TPS62625 |
|---|---|---|---|---|---|---|---|---|---|
| 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 |
| 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
| 1.8 | 1.5 | 1.2 | 2.15 | 1.82 | 1.8 | 1.5 | 1.225 | 1.2 | 1.2 |
| 1.8 | 1.5 | 1.2 | 2.15 | 1.82 | 1.8 | 1.5 | 1.225 | 1.2 | 1.2 |
| 0.35 | 0.35 | 0.35 | 0.35 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 5400 | 5400 | 5400 | 5400 | 5400 | 5400 | 5400 | 5400 | 5400 | 5400 |
| 6600 | 6600 | 6600 | 6600 | 6600 | 6600 | 6600 | 6600 | 6600 | 6600 |
| 0.031 | 0.031 | 0.031 | 0.031 | 0.031 | 0.031 | 0.031 | 0.031 | 0.031 | 0.031 |
| Enable Forced Pulse Width Modulation (FPWM) Mode Output Discharge Synchronous Rectification | Enable Forced Pulse Width Modulation (FPWM) Mode Light Load Efficiency Output Discharge Synchronous Rectification | Enable Forced Pulse Width Modulation (FPWM) Mode Light Load Efficiency Output Discharge Synchronous Rectification | Enable Forced Pulse Width Modulation (FPWM) Mode Output Discharge Synchronous Rectification | Enable Forced Pulse Width Modulation (FPWM) Mode Light Load Efficiency Synchronous Rectification | Enable Forced Pulse Width Modulation (FPWM) Mode Light Load Efficiency Synchronous Rectification | Enable Forced Pulse Width Modulation (FPWM) Mode Light Load Efficiency Synchronous Rectification | Enable Forced Pulse Width Modulation (FPWM) Mode Light Load Efficiency Synchronous Rectification | Enable Forced Pulse Width Modulation (FPWM) Mode Output Discharge Synchronous Rectification | Enable Forced Pulse Width Modulation (FPWM) Mode Light Load Efficiency Synchronous Rectification |
| Voltage Mode | Voltage Mode | Voltage Mode | Voltage Mode | Voltage Mode | Voltage Mode | Voltage Mode | Voltage Mode | Voltage Mode | Voltage Mode |
| 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 |
| Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog |
| DSBGA | DSBGA | DSBGA | DSBGA | DSBGA | DSBGA | DSBGA | DSBGA | DSBGA | DSBGA |
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