产品应用与封装尺寸


图纸取自原厂规格书,点击可放大查看原始尺寸标注。
引脚定义与内部结构

| 引脚 | 符号 | 名称 |
|---|---|---|
| 18 | VOLD | |
| 19 | PVCC | |
| 20 | NC | |
| 21 | VCTL | |
| 22 | GND | |
| 23 | VINLD | |
| 24 | NC |
数据来源:原厂规格书引脚图
产品特点 Features
- Wide dynamic range (4.0V (Typ.) when VCC = 8V, PVCC =5V, HSOP 28 375 0.8 and RL = 8).
- Level shift circuit on chip.
- Thermal shutdown circuit on chip.
- Mute mode built in.
- Two regulator controllers built in.
- BLOCK DIAGRAM
- 28 20 24 25 23
- VINTK
- 10K 25K
- VINFC
- TRB_1 25K 10K
- 5 3 4 9
- 22 21 18 17 16 15
- Spindle Actuator
- Driver(4x) Driver(6x)
- PVCC 19
绝对最大额定值 Absolute Maximum Ratings(TA = 25°C)
超过下表数值可能造成器件永久损坏,设计时请留余量。
| 特性 | 符号 |
|---|---|
| 1/2PVCC | |
| Operating Temperature | Topr |
| Storage Temperature | Tstg |
| Tamb of 1°C over 25°C. | 8 V 35~+85 °C 55~+150 °C |
| board. Reduced by 13.6mW for each increase in |
数据来源:原厂规格书
电气特性 Electrical Characteristics(TA = 25°C)
| 条件 | 最小 | 典型 | 最大 | 单位 |
|---|---|---|---|---|
| BIAS=2.5V, | RL=8/10/20/45) | 30 | mA | |
| 50 | 50 | mV | ||
| ±0.2V | 23.5 | dB |
特性曲线(Typical Performance Curves)

