STMicroelectronics Switching Regulator, Surface, 5V Output Voltage, 300 mA Output Current, 1 Outputs
- RS Stock No.:
- 210-8283
- Mfr. Part No.:
- L7983PUR
- Manufacturer:
- STMicroelectronics
Bulk discount available
Subtotal (1 reel of 3000 units)*
TWD167,400.00
(exc. GST)
TWD175,770.00
(inc. GST)
FREE delivery for orders over NT$1,300.00
Temporarily out of stock
- Shipping from March 29, 2027
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit | Per Reel* |
|---|---|---|
| 3000 - 12000 | TWD55.80 | TWD167,400.00 |
| 15000 + | TWD54.20 | TWD162,600.00 |
*price indicative
- RS Stock No.:
- 210-8283
- Mfr. Part No.:
- L7983PUR
- Manufacturer:
- STMicroelectronics
Specifications
Product overview and Technical data sheets
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | STMicroelectronics | |
| Output Voltage 1 | 5V | |
| Product Type | Switching Regulator | |
| Output Current | 300mA | |
| Mount Type | Surface | |
| Number of Outputs | 1 | |
| Minimum Operating Temperature | -40°C | |
| Maximum Operating Temperature | 150°C | |
| Output Voltage 2 | 3.3V | |
| Series | L7983 | |
| Number of Pins | 10 | |
| Package Type | DFN | |
| Length | 3.3mm | |
| Depth | 0.8mm | |
| Width | 3mm | |
| Standards/Approvals | RoHS | |
| Maximum Input Voltage | 60V dc | |
| Minimum Input Voltage | 60V dc | |
| Select all | ||
|---|---|---|
Brand STMicroelectronics | ||
Output Voltage 1 5V | ||
Product Type Switching Regulator | ||
Output Current 300mA | ||
Mount Type Surface | ||
Number of Outputs 1 | ||
Minimum Operating Temperature -40°C | ||
Maximum Operating Temperature 150°C | ||
Output Voltage 2 3.3V | ||
Series L7983 | ||
Number of Pins 10 | ||
Package Type DFN | ||
Length 3.3mm | ||
Depth 0.8mm | ||
Width 3mm | ||
Standards/Approvals RoHS | ||
Maximum Input Voltage 60V dc | ||
Minimum Input Voltage 60V dc | ||
The L7983 device is a step-down monolithic switching regulator able to deliver up to 300 mA DC based on peak current mode architecture.
The output voltage adjustability ranges from 0.85 V to VIN. The wide input voltage range and adjustable UVLO threshold meet the specification for the 12 V, 24 V and 48 V industrial bus standards.
The “Low Consumption Mode” (LCM) is designed for applications active during idle mode, so it maximizes the efficiency at light load with controlled output voltage ripple. The “Low Noise Mode” (LNM) makes the switching frequency constant overload current range, meeting the low noise application specification. The L7983 supports dynamic LCM to LNM transition.
The soft-start time is internally fixed and the output voltage supervisor manages the reset phase for any digital load (microcontroller, FPGA, etc.).
The internal compensation network features high noise immunity, simple design and saves on the component cost.
The RST open collector output can also implement output voltage sequencing during the power-up phase.
The synchronous rectification, designed for high efficiency at medium - heavy load, and the high switching frequency capability make the size of the application compact.
Pulse-by-pulse current sensing on both power elements implements an effective constant current protection.
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