Overview
Description
The RAA211233 is an integrated 24V, 3A, 1.4MHz synchronous buck regulator with current mode constant on-time (COT) control.
The RAA211233 features comprehensive protection including input undervoltage lockout (UVLO), overcurrent protection (OCP), output undervoltage protection (OUVP), and over-temperature protection (OTP). The device is available in a 6 Ld TSOT23 package.
The device is available in a 6 Ld TSOT23 package.
Features
- 4.5V to 24V input supply range
- Up to 3A output current
- Integrated high-side (85mΩ) and low-side (45mΩ) MOSFETs
- 1.4MHz switching frequency
- 400μA quiescent current
- Minimum on-time of 66ns
- Minimum off-time of 250ns
- 0.6V reference voltage with 2% accuracy
- PFM mode under light-load condition
- Current mode Constant On-Time (COT) control with internal compensation
- Internal 1.2ms soft-start time
- Protection: Low-Side Overcurrent (LSOC) limit, input Undervoltage Lockout (UVLO), Over-Temperature Protection (OTP), Output Undervoltage Protection (OUVP) with Hiccup Mode
- Accurate EN threshold
- 6 LD TSOT23 package
Comparison
Applications
Documentation
Featured Documentation
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Design & Development
Boards & Kits
Evaluation
RTKA211233DE0000BU
Active
RAA211233 Synchronous Buck Evaluation Board with 4.5V to 24V Input Range, 3A Output (TSOT23-6 version)
The RAA211233 is an integrated 24V, 3A 1.4MHz synchronous buck regulator with constant on-time (COT) current mode control. It supports a wide input voltage range from 4.5V to 24V.
The RTKA211233DE0000BU evaluation board provides a quick and comprehensive platform for evaluating the performance...
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Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on the CAD Model links in the Product Options table. If a symbol or model isn't available, it can be requested directly from SamacSys.
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