引脚定义与内部结构
| 引脚 | 符号 | 名称 |
|---|---|---|
| 1 | Anode | |
| 2 | Cathode | |
| 3 | Drain | |
| 4 | Drain | |
| 5 | Internal Circuit |
数据来源：原厂规格书引脚图
关键参数速览
- 正向电压 VF
- 1.3
- 正向电流 IF
- 50
- 隔离电压 VISO
- 500
- 工作温度 TA
- -40 to 85
产品特点 Features
- (1) Normally off (1-Form-A)
- (2) OFF-state output terminal voltage: 20 V (min)
- (3) Trigger LED current: 3 mA (max)
- (4) ON-state current: 200 mA (max)
- (5) ON-state resistance: 3 Ω (typ.), 5 Ω (max)
- (6) OFF-state Capacitance: 0.8 pF (typ.), 1.1 pF (max)
- TLP3350
- 5. Internal Circuit
- Fig. 5.1 Internal Circuit
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 | 备注 | 额定值 | 单位 |
|---|---|---|---|---|
| LED Input forward current | I | 50 | mA | |
| Input forward current derating (T ≥ | 25) ∆I /∆T | -0.5 | mA/ | |
| Input power dissipation | P | 50 | mW | |
| Junction temperature | T | 125 | | |
| Detector OFF-state output terminal voltage | V | 20 | V | |
| ON-state current | I | 200 | mA | |
| ON-state current derating (T ≥ a | 25) ∆I /∆T ON a | -2.0 | mA/ | |
| ON-state current (pulsed) (t = 100 ms, | Duty = 1/10) I | 600 | mA | |
| Output power dissipation | P | 200 | mW | |
| Junction temperature | T | 125 | | |
| Common Storage temperature | T | -40 to 125 | ||
| Operating temperature | T | -40 to 85 | ||
| Lead soldering temperature (10 | s) T | 260 | ||
| Isolation voltage AC, 1 min, | R.H. ≤ 60% BV | (Note 1) | 500 | Vrms |
数据来源：原厂规格书
安全与绝缘额定值（DIN EN/IEC 60747−5−5）
| 特性 | 符号 | 备注 | 额定值 | 单位 |
|---|---|---|---|---|
| TLP3350 | ||||
| FFFFiiiigggg.... 5555....1111 | IIIInnnntttteeeerrrrnnnnaaaallll CCCCiiiirrrrccccuuuuiiiitttt |
电气特性 Electrical Characteristics（TA = 25°C）
| 特性 | 符号 | 备注 | 测试条件 | 最小 | 典型 | 最大 | 单位 |
|---|---|---|---|---|---|---|---|
| LED Input forward voltage | V | I | = 10 mA | 1.0 | 1.15 | 1.3 | V |
| Input capacitance | C | V | = 0 V, f = 1 MHz | | 15 | | pF |
| Detector OFF-state current | I | V | = 20 V | | | 1 | nA |
| Output capacitance | C | V | = 0 V, f = 100 MHz, t < | 1s | 0.8 | 1.1 | pF |
| Trigger LED current | I | I = 100 | mA | | 1.0 | 3 | mA |
| Return LED current | I | I = 10 | µA | 0.1 | | | mA |
| ON-state resistance | R | I = 200 | mA, I = 5 mA, t < 1 s | | 3 | 5 | Ω |