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Overview
| Topology | Buck Converter |
| Input voltage | 5-23 V |
| Output 1 | 5 V / 4 A |
Description
The RT6219A is a synchronous Buck converter with Advanced Constant On-Time (ACOTTM) mode control whichprovides a very fast transient response with no external compensators. The RT6219A operates from 5V to 23V inputvoltage, provides complete protection functions including Over Current Protection (OCP), Under Voltage Protection(UVP) and Over Voltage Protection (OVP). This IC also provides a 1.5ms internal soft-start function and anopen-drain power good indicator.
Features
- 5V to 23V Input Voltage Range
- Adjustable from 0.6V to 5V Output Range
- Up to 98% Duty for 2S Battery Application
- 500kHz Switching Frequency
- Fixed Switching Frequency: 500kHz
- ACOT™ Mode Performs Fast Transient Response
- Integrated MOSFETs 67mΩ of High-Side MOSFET 41mΩ of Low-Side MOSFET
- Supports MLCC Output Capacitors
- Internal Soft-Start (1.5ms typ)
- Built-in OVP/UVP/OCP
- Power Good Indicator
- Thermal Shutdown
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) | Material | LR(µH) | fres(MHz) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-HCC SMT High Current Cube Inductor, 2.2 µH, 14.8 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCC SMT High Current Cube Inductor | Inductance2.2 µH | Performance Rated Current14.8 A | Saturation Current @ 10%11.3 A | Saturation Current @ 30%12.9 A | DC Resistance5.6 mΩ | MaterialFerrite | Rated Inductance1.4 µH | Self Resonant Frequency97 MHz |