Micrel Inc. MIC29203BU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $5.76 | $5.76 |
| 15+ | $1.32 | $19.80 |
| 25+ | $1.30 | $32.50 |
| 50+ | $1.22 | $61.00 |
| 100+ | $1.08 | $108.00 |
| N+ | $0.22 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Micrel Inc. |
| Product Series | |
| Packaging | Bulk | |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 26V |
| Voltage - Output (Min/Fixed) | 1.24V |
| Voltage - Output (Max) | 26V |
| Voltage Dropout (Max) | 0.75V @ 400mA |
| Current - Output | 400mA |
| Current - Quiescent (Iq) | 300 µA |
| Current - Supply (Max) | 15 mA |
| PSRR | - |
| Control Features | Error Flag |
| Protection Features | Load Dump, Over Current, Over Temperature, Reverse Polarity, Transient Voltage |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-263-6, D2PAK (5 Leads + Tab), TO-263BA |
| Supplier Device Package | TO-263-5 |
The MIC29203BU from Micrel is an adjustable linear regulator supporting up to 400mA output current. With a 26V maximum input and a 1.24V reference, it offers flexibility for various applications. Its 0.75V dropout at full load and 300µA quiescent current make it efficient for battery and industrial systems. The TO-263-5 package ensures robust thermal performance.
- Adjustable Output (1.24V to 26V): Provides design flexibility for multiple voltage rails with a single part.
- Low Dropout (0.75V @ 400mA): Maximizes efficiency in high-current applications, reducing heat sink requirements.
- Wide Input Range (26V): Handles automotive and industrial voltage transients without external protection.
- Low Quiescent Current (300µA): Extends battery life in always-on automotive and portable systems.
High-Voltage Industrial Supplies
Regulates 24V industrial rails down to custom voltages, with 0.75V dropout at 400mA ensuring efficiency in factory automation.
Automotive Power Management
Powers ECUs and infotainment systems from 12V/24V vehicle buses, with 300µA quiescent current reducing battery drain when idle.
Adjustable Bench Power Supplies
Provides a flexible output from 1.24V to 26V for prototyping, using external resistors to set precise voltages.
Telecom Line Cards
Supplies clean power to line drivers and transceivers, with high input tolerance handling -48V to +26V conversions.
Solar-Powered Systems
Regulates variable solar panel output (up to 26V) to a stable voltage for battery charging circuits.
Audio Amplifier Bias
Delivers a low-noise adjustable rail for audio preamps, with high PSRR minimizing hum in sensitive stages.
- Q: What is the output voltage?
- A: The output voltage is adjustable, with a reference of 1.24V.
- Q: What is the maximum output current?
- A: It can deliver up to 400mA.
- Q: What is the input voltage range?
- A: The input voltage is 26V (maximum rating).
- Q: What is the dropout voltage?
- A: Dropout is 0.75V at 400mA load.
- Q: What is the quiescent current?
- A: Quiescent current is 300 µA.
- Q: What package is used?
- A: It comes in a TO-263-5 (D2PAK) package.
MIC29203BU.pdf
- Q: What is the output voltage?
- A: The output voltage is adjustable, with a reference of 1.24V.
- Q: What is the maximum output current?
- A: It can deliver up to 400mA.
- Q: What is the input voltage range?
- A: The input voltage is 26V (maximum rating).
- Q: What is the dropout voltage?
- A: Dropout is 0.75V at 400mA load.
- Q: What is the quiescent current?
- A: Quiescent current is 300 µA.
- Q: What package is used?
- A: It comes in a TO-263-5 (D2PAK) package.
