signal isolation device Toshiba TLP2348 TPL E infrared LED with high speed photo detector in SO6 package
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Product Description
Product Overview
The Toshiba TLP2348 is an infrared LED coupled with a high-gain, high-speed photo detector, housed in an SO6 package. It offers signal isolation for intelligent power modules, programmable logic controllers, and high-speed digital interfacing. Key advantages include low supply current (3 mA max) and low threshold input current (1.6 mA max), contributing to energy savings. It can be driven directly from a microcomputer and features an internal Faraday shield for high common-mode transient immunity (30 kV/s min). This is an inverter output version; a buffer output version, the TLP2345, is also available.
Product Attributes
- Brand: Toshiba
- Start of Commercial Production: 2013-11
- Certifications: UL-recognized (UL 1577), cUL-recognized (CSA Component Acceptance Service), VDE-approved (EN 60747-5-5, EN 62368-1)
Technical Specifications
| Characteristic | Symbol | Min | Typ. | Max | Unit | Notes |
| Features | ||||||
| Inverter logic type (Totem pole output) | - | - | - | - | - | (1) |
| Package | - | - | - | - | - | (2) SO6 |
| Operating temperature | Topr | -40 | - | 110 | (3) | |
| Supply voltage | VCC | 4.5 | - | 30 | V | (4) |
| Threshold input current | IFHL | - | - | 1.6 | mA | (5) |
| Supply current | ICCL/ICCH | - | - | 3 | mA | (6) |
| Propagation delay time | tpHL, tpLH | - | - | 120 | ns | (7) |
| Pulse width distortion | - | - | - | 40 | ns | (8) |
| Common-mode transient immunity | CMH, CML | 30 | - | - | kV/s | (9) |
| Isolation voltage | BVS | 3750 | - | - | Vrms | (10) |
| Absolute Maximum Ratings | ||||||
| Input forward current | IF | - | - | 15 | mA | |
| Peak transient input forward current | IFPT | - | - | 1 | A | (Note 1) |
| Input reverse voltage | VR | - | - | 5 | V | |
| Input power dissipation | PD | - | - | 40 | mW | |
| Output current | IO | -50 | - | 50 | mA | |
| Supply voltage | VCC | -0.5 | - | 30 | V | |
| Output power dissipation | PO | - | - | 100 | mW | |
| Storage temperature | Tstg | -55 | - | 125 | ||
| Lead soldering temperature | Tsol | - | - | 260 | (10 s) | |
| Isolation voltage | BVS | - | - | 3750 | Vrms | (AC, 60 s, R.H. 60 %) |
| Recommended Operating Conditions | ||||||
| Input on-state current | IF(ON) | 2 | - | 10 | mA | (Note 1) |
| Input off-state voltage | VF(OFF) | 0 | - | 0.8 | V | (Note 2) |
| Supply voltage | VCC | 4.5 | - | 30 | V | (Note 2) |
| Operating temperature | Topr | -40 | - | 110 | (Note 2) | |
| Electrical Characteristics | ||||||
| Input forward voltage | VF | 1.35 | 1.55 | 1.65 | V | IF = 3 mA, Ta = 25 |
| Input forward voltage temperature coefficient | VF/Ta | - | -2.0 | - | mV/ | IF = 3 mA |
| Input reverse current | IR | - | - | 10 | A | VR = 5 V, Ta = 25 |
| Input capacitance | Ct | - | 20 | - | pF | V = 0 V, f = 1 MHz, Ta = 25 |
| Low-level output voltage | VOL | - | 0.026 | 0.2 | V | IF = 3 mA, IO = 3.5 mA |
| High-level output voltage | VOH | VCC - 0.4 | VCC - 0.05 | - | V | IF = 3 mA, IO = -6.5 mA |
| Low-level supply current | ICCL | - | 2.1 | 3 | mA | VF = 0.8 V, IO = -3.5 mA |
| High-level supply current | ICCH | - | 2.35 | 3 | mA | VF = 0.8 V, IO = -6.5 mA |
| Threshold input current (H/L) | IFHL | 150 | 270 | - | A | IO = 3.5 mA, VO |
| Input current hysteresis | IHYS | - | 0.1 | - | mA | |
| Isolation Characteristics | ||||||
| Total capacitance (input to output) | CS | - | 0.8 | - | pF | V = 0 V, f = 1 MHz |
| Isolation resistance | RS | - | 1014 | - | V = 500 V, R.H. 60 % | |
| Isolation voltage | BVS | 3750 | - | - | Vrms | AC, 60 s |
| Switching Characteristics | ||||||
| Propagation delay time (H/L) | tpHL | 35 | 61 | 120 | ns | (Note 1) |
| Propagation delay time (L/H) | tpLH | 35 | 65 | 120 | ns | (Note 1), (Note 2) |
| Pulse width distortion | - | - | 4 | 40 | ns | (Note 1) |
| Fall time | tf | - | 3 | 30 | ns | (Note 1) |
| Rise time | tr | - | 3 | 30 | ns | (Note 1) |
| High-level common-mode transient immunity | CMH | 30 | 50 | - | kV/s | (Note 1) |
| Low-level common-mode transient immunity | CML | 30 | 50 | - | kV/s | (Note 1) |
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Company
Beijing Silk Road Enterprise Management Services Co., Ltd.
Location
16 Floor, Unit B, Jiatai International Mansion, No 41, Dongsihuan Zhong Road, Chaoyang District, Beijing
Contact Person
Sellina