MIC2954-02WS-TR
Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
Technical Specifications
| Type | Description |
|---|---|
| Output Type | Fixed |
| Output Voltage | 5 V |
| Output Current | 0.25 A |
| Working Voltage V | 30 V |
| Channels | 1 |
| Type | Description |
|---|---|
| Iq A | 0 A |
| Output Configuration | Positive |
| Operating Temp | -40°C ~ +125°C @(Tj) |
| Features | Reverse polarity voltage protection;Over Current Protection;Thermal shutdown;Enable control;Operating status indication |
| Package / Case | SOT-223-3 |
Product Introduction
The MIC2954 is a “bulletproof” efficient voltage regulator with very low dropout voltage (typically 40mV @ light loads and 375mV @ 250mA), and low quiescent current (120μA typical). The quiescent current of the MIC2954 increases only slightly in dropout, thus prolonging battery life. Key MIC2954 features include protection against reversed battery, fold-back current limiting, and automotive load dump protection (60V positive transient).
The MIC2954-07/08BM is an adjustable version that includes an error flag output that warns of a low output voltage, which is often due to failing batteries on the input. This may also be used as a power-on reset. A logic-compatible shutdown input is provided which enables the regulator to be switched on and off. This part may be pinstrapped for 5V output, or programmed from 1.24V to 29V with the use of two external resistors.
The MIC2954 is available in two voltage tolerances, ±0.5% maximum and ±1% maximum. Both are guaranteed for junction temperatures from -40°C to +125°C.
Features
- High-accuracy 5V, guaranteed 250mA output
- Low quiescent current
- Low dropout voltage
- Extremely tight load and line regulation
- Very low temperature coefficient
- Current and thermal limiting
- Input can withstand -20V reverse battery and +60V positive transients
- Error flag warns of low output voltage
- Logic-controlled electronic shutdown
- Output programmable from 1.24V to 29V (MIC2954-07/08)
- Available in TO-220, TO-92, and surface-mount SOT223 and SOIC-8 packages
Applications
- - Battery powered equipment - Cellular telephones - Laptop, notebook, and palmtop computers - PCMCIA VCC and VPP regulation/switching - Bar code scanners - Automotive electronics - SMPS post-regulator/dc-to-dc modules - Voltage reference - High-efficiency linear power supplies
Datasheet
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Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 |
| ECCN | EAR99 |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| Type | Details |
|---|---|
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |
Sourcing Information
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