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Overview
| Topology | Buck Converter |
| Input voltage | 4.5-17 V |
| Output 1 | 5 V / 12 A |
| IC revision | 00 |
Description
The RTQ2822A/B is a high-performance, synchronous step-down converter that can deliver up to 12A output current with an input supply voltage range of 4.5V to 17V. The device integrates low RDS(ON) power MOSFETs, accurate 0.6V reference and an integrated diode for bootstrap circuit to offer a very compact solution. Switching frequency is selectable in 400kHz, 800kHz and 1200 kHz.
Features
- 4.5V to 17V Input Voltage Range
- Integrated 9.8m/4.5mMOSFETs
- 0.6V ±1% Voltage Reference
- Adjustable Output Voltage from 0.6V to 5.5V
- Supports Ceramic Output Capacitor
- ACOTTM Control for Fast Transient Response
- Selectable Switching Frequency (400kHz/800kHz/1200kHz)
- Selectable Current Limit Level
- Power Good Indicator
- Programmable Soft-Start Time with a Default 1ms
- Monotonic Start-Up into Pre-Biased Outputs
- 18-Lead VQFN (FC) Package
Typical applications
- Point of Load (POL) Power Modules / High Density DC-DC Converters
- Server, Storage and Network Equipment / Telecom Infrastructure
- High End Digital TV
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC(mΩ) | fres(MHz) | Material | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-HCI SMT Flat Wire High Current Inductor, 0.68 µH, 20.9 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance0.68 µH | Performance Rated Current20.9 A | Saturation Current @ 10%9.5 A | Saturation Current @ 30%20 A | DC Resistance3.1 mΩ | Self Resonant Frequency105 MHz | MaterialSuperflux | ||||
| WE-HCI SMT Flat Wire High Current Inductor, 1.2 µH, 32.6 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance1.2 µH | Performance Rated Current32.6 A | Saturation Current @ 10%12 A | Saturation Current @ 30%25 A | DC Resistance1.8 mΩ | Self Resonant Frequency75 MHz | MaterialSuperflux | ||||
| WE-HCI SMT Flat Wire High Current Inductor, 2.4 µH, 18.6 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance2.4 µH | Performance Rated Current18.6 A | Saturation Current @ 10%6.9 A | Saturation Current @ 30%17 A | DC Resistance4.75 mΩ | Self Resonant Frequency67 MHz | MaterialSuperflux | ||||
| WE-HCI SMT Flat Wire High Current Inductor, 3.3 µH, 16.6 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance3.3 µH | Performance Rated Current16.6 A | Saturation Current @ 10%5 A | Saturation Current @ 30%15 A | DC Resistance5.9 mΩ | Self Resonant Frequency54 MHz | MaterialSuperflux |