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L4981B
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Shipping Cost
Shipping starts at $40, but some countries will exceed $40. For
example (South Africa, Brazil, India, Pakistan, Israel, etc.)
The
basic freight (for package ≤0.5kg or corresponding volume) depends on the time zone and
country.
Currently, our products are shipped through DHL, FedEx, SF, and UPS.
Delivery TimeOnce the goods are shipped, estimated delivery time depends on the shipping methods you chose:
FedEx International, 5-7 business days.
The following are some common countries' logistic time.
| 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