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Overview
| Topology | Buck Converter |
| Input voltage | 12-18 V |
| Switching frequency | 1890-2310 kHz |
| Output 1 | 3.3 V / 1 A |
| IC revision | 01 |
Description
The RTQ2131B is a 1A, high-efficiency, current modesynchronous step-down converter which is optimized forautomotive applications. The device operates with inputvoltages from 3V to 36V and is protected from load dumptransients up to 42V, eases input surge protection design.The device can program the output voltage between 0.8Vto VIN.
Features
- AEC-Q100 Grade 1 Qualified
- Wide Input Voltage Range - 4V to 36V - 3V to 36V (Soft-start is finished)
- Tight Switching Frequency Variation 2.1MHz 10%Over Operating Ambient Temperature
- Wide Output Voltage Range : 0.8V to VIN
- 5V Fixed Output Voltage ( see Ordering Information for availability)
- Maximum Output Current: 1A
- Peak Current Mode Control
- Integrated 200mΩ Switch and 160mmΩ Synchronous Rectifier
- Built-In Spread-Spectrum Frequency Modulation for Low EMI
- Power Good Indication
- Enable Control
- 0.8V±1.5% Reference Voltage Accuracy
- Adjacent Pin-Short Protection
- Built-In UVLO, UVP, OTP
Typical applications
- Car Camera Module and Car Cockpit Systems / Connected Car Systems / Automotive Systems
- Digital Set Top Boxes / Broadband Communications
- Point of Load Regulator in Distributed Power Systems
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC max. (mΩ) | fres (MHz) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 74437336033 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-LHMI SMT Power Inductor | 3.3 | 5.45 | 5.55 | 10.9 | 38 | 27 | SMT |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 74437336033 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC max. (mΩ) | fres (MHz) | Mount | Samples |
|---|