LM22676MRX-5.0/NOPB
Voltage Regulators - DC DC Switching Regulators
Technical Specifications
| Type | Description |
|---|---|
| Output Type | Fixed |
| Output Voltage | 5 V |
| Output Current | 3 A |
| Function | Step-down type |
| Working Voltage V | 23.25 V |
| Switching Freq Hz | 500 kHz |
| Channels | 1 |
| Type | Description |
|---|---|
| Iq A | 0.003 A |
| Switch tube (built-in/external) | Built-in |
| Operating Temp | -40°C ~ +125°C @(TJ) |
| Features | Overcurrent Protection |
| Topology | Buck |
| Package / Case | SOIC-8-EP |
Product Introduction
The LM22676 switching regulator provides all of the functions necessary to implement an efficient high voltage step-down (buck) regulator using a minimum of external components. This easy to use regulator incorporates a 42 V N-channel MOSFET switch capable of providing up to 3 A of load current. Excellent line and load regulation along with high efficiency (>90%) are featured. Voltage mode control offers short minimum on-time, allowing the widest ratio between input and output voltages. Internal loop compensation means that the user is free from the tedious task of calculating the loop compensation components. Fixed 5 V output and adjustable output voltage options are available. A switching frequency of 500 kHz allows for small external components and good transient response. A precision enable input allows simplification of regulator control and system power sequencing. In shutdown mode the regulator draws only 25 μA (typ). Built in soft-start (500 μs, typ) saves external components. The LM22676 also has built in thermal shutdown, and current limiting to protect against accidental overloads.
Features
- Wide Input Voltage Range: 4.5 V to 42 V
- Internally Compensated Voltage Mode Control Stable with Low ESR Ceramic Capacitors
- 120 mΩ N-Channel MOSFET PFM Package
- 100 mΩ N-Channel MOSFET PSOP-8 Package
- Output Voltage Options: -ADJ (Outputs as Low as 1.285 V), -5.0 (Output Fixed to 5 V)
- ±1.5% Feedback Reference Accuracy
- Switching Frequency of 500 kHz
- 40°C to 125°C Operating Junction Temperature Range
- Precision Enable Pin
- Integrated Boot-Strap Diode
- Integrated Soft-Start
- Fully WEBEN Γ(CH⊕ Enabled
- LM22676Q is an Automotive Grade Product that is AEC-Q100 Grade 1 Qualified (-40°C to +125°C Operating Junction Temperature)
- SO PowerPAD (Exposed Pad PFM (Exposed Pad)
Applications
- - Industrial Control - Telecom and Datacom Systems - Embedded Systems - Conversions from Standard 24 V, 12 V and 5 V Input Rails
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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