L4981B
| Parameters | |
|---|---|
| Mount | Through Hole |
| Mounting Type | Through Hole |
| Package / Case | 20-DIP (0.300, 7.62mm) |
| Number of Pins | 20 |
| Weight | 2.259996g |
| Operating Temperature | -40°C~125°C |
| Packaging | Tube |
| JESD-609 Code | e3 |
| Part Status | Obsolete |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Number of Terminations | 20 |
| ECCN Code | EAR99 |
| Terminal Finish | Matte Tin (Sn) |
| Subcategory | Switching Regulator or Controllers |
| Technology | BCDMOS |
| Voltage - Supply | 14.5V~19.5V |
| Terminal Position | DUAL |
| Number of Functions | 1 |
| Terminal Pitch | 2.54mm |
| Frequency | 80kHz |
| Base Part Number | L4981 |
| Pin Count | 20 |
| Number of Outputs | 1 |
| Output Voltage | 7.5V |
| Input Voltage-Nom | 18V |
| Analog IC - Other Type | POWER FACTOR CONTROLLER |
| Operating Supply Current | 12mA |
| Power Dissipation | 1W |
| Output Current | 1.5A |
| Max Supply Current | 16mA |
| Frequency - Switching | 100kHz |
| Control Technique | PULSE WIDTH MODULATION |
| Nominal Input Voltage | 19.5V |
| Switcher Configuration | SINGLE |
| Mode | Average Current |
| Current - Startup | 100μA |
| Height | 2.68mm |
| Length | 25.4mm |
| Width | 7.1mm |
| Radiation Hardening | No |
| REACH SVHC | No SVHC |
| RoHS Status | ROHS3 Compliant |
| Lead Free | Lead Free |
L4981B Overview
There is a 20-DIP (0.300, 7.62mm) package that comes with it.A Tube-packaging method was used to package it.Depending on the device, the mounting type will either be Through Hole or C.With a voltage supply of 14.5V~19.5V, it should work.-40°C~125°C is the operating frequency of the device.The part has other IC types such as POWER FACTOR CONTROLLER.Several 20 terminals are present on the gadget.There is a current of 100μA at startup.A component's pin number remains 20.Best part of the device has a L4981 in it.There is a switching frequency of 100kHz.There are a total of 20 pins on it.There is a sense in which it is a subclass of Switching Regulator or Controllers.As long as the frequency is kept constant at 80kHz, it is possible to continue to operate with good accuracy.It is a part of mount Through Hole.At most, it can operate at 16mA degrees Celsius.There are numerous 1 outputs.There is a 12mA supply current set for the gadget.The output of 7.5V can be used to operate it.
L4981B Features
L4981B Applications
There are a lot of STMicroelectronics L4981B PFC PMICs applications.
- Set top boxes
- μC power
- 4WD transfercase
- Low Noise Instrumentation
- PLL (Phase-Locked Loop)
- Disk drivers
- Embedded systems
- Alternators
- Electronic notebook
- Bypass circuit
