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 |
|---|---|---|
| 5 | DRAIN | |
| 6 | DRAIN | |
| 7 | DRAIN | |
| 8 | DRAIN | |
| 9 | V |
数据来源：原厂规格书引脚图
关键参数速览
- 电源电压 VCC
- 0 ... 50
- 工作温度 TA
- -40 to 150
产品特点 Features
- Fixed 60kHZ Switching Frequency
- 9V to 38V Wide Range V Voltage
- Current Mode Control
- SO-8 DIP-8
- Auxiliary Undervoltage Lockout with Hysteresis
- High Voltage Start-up Current Source battery charger adapter configurations.
- Automatic burst mode in low load condition.
- Overvoltage protection in HICCUP mode.
- Block diagram
- DRAIN
- ON/OFF
- 60kHz
- REGULATOR OSCILLATOR
- INTERNAL
- S LATCH
- SUPPLY OVERTEMP. R1 FF Q
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。
| 符号 | 参数 | 值 | 单位 |
|---|---|---|---|
| V Switching | drain source voltage (T = 25 ... 125°C) | (1) -0.3 ... 730 | V |
| V Start-up drain | source voltage (T = 25 ... 125°C) (2) | -0.3 ... 400 | V |
| V Supply voltage | 0 ... 50 | V | |
| I Feedback | current | 3 | mA |
| Electrostatic | discharge: | ||
| V Machine | model (R = 0Ω; C = 200pF) | 200 | V |
| Charged | device model | 1.5 | kV |
| T Case operating | temperature | -40 to 150 | °C |
| T Storage DDon | Temperature DDoff | -55 to 150 | °C |
| not yet reached V DDon | or has fallen below V DDoff. | ||
| Table 2. Thermal | Data | ||
| R Thermal | Resistance Junction - Case | Max 25 15 | °C/W |
| R thJA Thermal | Resistance Junction - Ambient (1) | Max 55 45 | °C/W |
| connected to all DRAIN | pins. |
数据来源：原厂规格书
电气特性 Electrical Characteristics（TA = 25°C）
| 符号 | 参数 | 测试条件 | 最小 | 典型 | 最大 | 单位 |
|---|---|---|---|---|---|---|
| BV | Drain-source voltage | I = 1mA; V = 2V | 730 | V | ||
| OFF | State drain | V = 500V; V = 2V; | ||||
| I | DS FB | 0.1 | mA | |||
| Static drain-source | I = 0.4A | 15 | 17 | |||
| r | D | Ω | ||||
| DS(on) ON | state resistance | I = 0.4A; T = 100°C | 31 | |||
| t Fall | time | 100 | ns | |||
| t Rise | time | 50 | ns | |||
| C | Drain capacitance | V = 25V | 40 | pF | ||
| I | DS DD DDon | -1 | mA | |||
| I | current in thermal | DD DS | 0 | mA | ||
| I | I = 2mA | 3 | 5 | mA | ||
| I | I = 0.5mA; I = 50mA (1) | 4.5 | mA | |||
| V | DD | 7 | 8 | 9 | V | |
| V | DD | 13 | 14.5 | 16 | V | |
| V | DD | 38 | 42 | 46 | V | |
| F | DD DDoff | 54 | 60 | 66 | kHz | |
| I | FB | 0.56 | 0.7 | 0.84 | A | |
| R | D | 1.2 | kΩ | |||
| t | I = 0.4A | 200 | ns | |||
| t | Blanking time | 500 | ns | |||
| t | 700 | ns | ||||
| Mains type | SO-8 | DIP-8 | ||||
| European | (195 - 265 Vac) | 12W | 20W | |||
| US / Wide | range (85 - 265 Vac) | 7W | 12W | |||
| 1. Above power | capabilities are given | under adequate thermal conditions |
特性曲线（Typical Performance Curves）
