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Overview
| Topology | Buck Converter |
| Input voltage | 4.5-75 V |
| Switching frequency | 200-800 kHz |
| Output 1 | 12 V / 40 A |
Description
The MIC2133 is an enhanced adaptive on-time, synchronous 2 phase buck controller featuring a proprietary Host/User control architecture. This advanced control architecture will enable optimal current sharing of phases in host and user modes with the option of cascading several user devices in parallel to increase current capability of the entire solution. The MIC2133 operates over an input supply range from 4.5V to 100V and can be used to supply up to 50A of output current for applications ranging from cloud computing to industrial and automotive. The output voltage is adjustable down to 0.6V with a guaranteed accuracy of ±0.5%. The device operates with programmable switching frequency from 200 kHz to 800 kHz. The application case of requiring higher current level (30A-50A) is limited to 12V input backplanes only.
Features
- Hyper Speed Control architecture enables:
- High Delta V operation
- Any Capacitor™ stable
- Master Slave operation with current sharing
- 4.5V to 100V input voltage
- Remote Sense
- 0.5% Output Voltage Accuracy
- Droop Function
- Precision Enable
- OVP
- Adjustable output voltage from 0.6 V to 32V (also limited by duty cycle)
- Up to 800kHz, programmable switching frequency
- External Programmable Soft Start
- Hyper Speed Control
- Built-in 5V regulator for single-supply operation
- Programmable current limit and “hiccup” mode short-circuit protection
- Option for External and Internal VDD
- Supports safe start-up into a pre-biased output
- –40°C to +125°C junction temperature range
Typical applications
- Multiphase Buck Converter
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR(V (DC)) | Size | Operating Temperature | DF(%) | RISO | Ceramic Type | L(mm) | W(mm) | H(mm) | Fl(mm) | Packaging | L(µH) | IRP,40K(A) | ISAT,30%(A) | RDC typ.(mΩ) | RDC max.(mΩ) | fres(MHz) | Mount | Pins | Type | IR(A) | Working Voltage(V (AC)) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 50 V(DC), 1 nF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Capacitance1 nF | Capacitance±10% | Rated Voltage50 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor2.5 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | |||||
 | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Dual | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | Insulation Resistance1000 MΩ | – | Length10.16 mm | – | – | – | PackagingBag | – | – | – | – | – | – | MountTHT | Pins8 | TypeStraight | Rated Current3 A | Working Voltage250 V (AC) | ||||
 | WE-XHMI SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-XHMI SMT Power Inductor | – | – | – | Size1090 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length11.6 mm | Width10.5 mm | Height8.8 mm | – | – | Inductance4.7 µH | Performance Rated Current20 A | Saturation Current @ 30%28.05 A | DC Resistance5 mΩ | DC Resistance5.5 mΩ | Self Resonant Frequency21 MHz | MountSMT | Pins2 | – | Rated Current13.5 A | – |