引脚定义与内部结构
| 引脚 | 符号 | 名称 |
|---|---|---|
| 1 | Anode | |
| 3 | Cathode | |
| 4 | GND | |
| 5 | V (Output) | |
| 6 | Principle of Operation |
数据来源：原厂规格书引脚图
关键参数速览
- 正向电压 VF
- 1.65
产品特点 Features
- (1) Buffer logic type (totem pole output)
- (2) Package: SO6
- (3) Operating temperature: -40 to 110
- (4) Supply voltage: 4.5 to 30 V
- (5) Threshold input current: 1.6 mA (max)
- (6) Supply current: 3 mA (max)
- (7) Propagation delay time: 120 ns (max)
- (8) Pulse width distortion: 40 ns (max)
- (9) Common-mode transient immunity: ±30 kV/µs (min)
- TLP2345
- 7. Absolute Maximum Ratings (Note) (Unless otherwise specified, T = 25 ) aaaa
- Characteristics Symbol Note Rating Unit
- LED Input forward current I 15 mA
- Input forward current derating (T ≥ 110 ) ∆I /∆T -0.33 mA/ a F a
- Peak transient input forward current I (Note 1) 1 A
- Input power dissipation P 40 mW
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 |
|---|---|---|---|---|
| TLP2345 | ||||
| LED Input forward current | I | 15 | mA | |
| Input forward current derating (T ≥ | 110 ) ∆I /∆T | -0.33 | mA/ | |
| Peak transient input forward current | I | (Note 1) | 1 | A |
| Input power dissipation | P | 40 | mW | |
| Input power dissipation derating (T ≥ | 110 ) ∆P /∆T | -0.89 | mW/ | |
| Detector Output current | I | 50 / -50 | mA | |
| Output voltage | V | -0.5 to 30 | V | |
| Supply voltage | V | -0.5 to 30 | V | |
| Output power dissipation | P | 100 | mW | |
| Output power dissipation derating (T ≥ | 75 ) ∆P /∆T | -2.0 | mW/ | |
| Common Operating temperature | T | -40 to 110 | | |
| Storage temperature | T | -55 to 125 | | |
| Lead soldering temperature (10 | s) T | 260 | | |
| Isolation voltage (AC, 60 s, | R.H. ≤ 60 %) BV | (Note 2) | 3750 | Vrms |
电气特性 Electrical Characteristics（TA = 25°C）
| 特性 | 符号 | 测试条件 | 最小 | 典型 | 最大 | 单位 |
|---|---|---|---|---|---|---|
| Input forward voltage | V | I = 3 mA, T = 25 | 1.35 | 1.55 | 1.65 | V |
| Input forward voltage | ∆V /∆T | I = 3 mA | | -2.0 | | mV/ |
| Input capacitance | C | V = 0 V, f = 1 MHz, T = 25 | | 20 | | pF |
| Low-level output voltage | V Fig. | V = 0.8 V, I = 3.5 mA | | 0.026 | 0.2 | V |
| V = 0.8 V, I = 6.5 mA | | 0.047 | 0.4 | |||
| High-level output voltage | V Fig. | I = 3 mA, I = -3.5 mA | V - 0.2 | V - 0.03 | | |
| OH | F O | CC | CC | |||
| I = 3 mA, I = -6.5 mA | V - 0.4 | V - 0.05 | | |||
| F O | CC | CC | ||||
| Low-level supply current | I Fig. | V = 5.5 V | | 2.1 | 3 | mA |
| V = 30 V | | 2.4 | 3 | |||
| High-level supply current | I Fig. | I = 3 mA, V = 5.5 V | | 2.1 | 3 | |
| I = 3 mA, V = 30 V | | 2.4 | 3 | |||
| Low-level short-circuit output | I Fig. | V = V = 5.5 V | 150 | 270 | | |
| V = V = 20 V | 160 | 300 | | |||
| High-level short-circuit output | I Fig. | I = 3 mA, V = 5.5 V, | | -330 | -150 | |
| I = 3 mA, V = 20 V, | | -350 | -160 | |||
| Threshold input current (L/H) | I | I = -3.5 mA, V > 4.8 V, | | 0.35 | 1.6 | |
| Input current hysteresis | I | I = -3.5 mA | | 0.1 | | |
| Threshold input voltage | (H/L) V | I = 6.5 mA, V < 0.4 V | 0.8 | | | V |