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Overview
| Topology | Buck Converter |
| Input voltage | 4.5-35 V |
| Output 1 | 5 V / 80 A |
| IC revision | 1 |
Description
The MIC2132 is a constant on-time, dual phase synchronous buck controller featuring a unique adaptive on-time control architecture with a stackable feature of up to eight phases. The MIC2132 operates over an input supply range from 4.5V to 75V and can be used to supply up to 50A of output current/phase. The output voltage is adjustable down to 0.6V with an ensured accuracy of ±1%. The device operates with a programmable switching frequency from 100 kHz to 800 kHz per phase.The MIC2132 is available in a 32-pin 5 mm x 5 mm VQFN package, with a -40°C to +125°C junction operating temperature range.
Features
- Input Voltage Range: 4.5V to 75V
- Adjustable Output from 0.6V to 32V
- Adaptive Constant on Time Control
- High Delta V Operation
- Any Capacitor™ Stable
- 0.6V Internal Reference with ±1% Accuracy
- Operates in CCM, Stackable for Multiphase Operation Up to Eight Phases
- Ripple Injection from Third Node which Allows Greater than 50% Duty Cycles
- Accurate Current Balancing Between Phases
- Accurate Phasing Between Phases which are Always 180° Out of Phase
- 100 kHz to 800 kHz Switching Frequency per Phase
- High Voltage Internal 5V LDO for Single Supply Operation
- Secondary LDO to Improve System Efficiency
- Supports Start Up to Pre-bias Output
- Remote Sense Amplifier for Tight Output Regulation
- Supports Adaptive Voltage Positioning (AVP) or Droop
- Precision Enable Function for Low Stand-by Current
- External Programmable Soft Start to Reduce Inrush Current
- Programmable Current Limit and Hiccup Short Circuit Protection
- Thermal Shut Down with Hysteresis
- Die Temperature Sense on MIC2132
- Compact Size: 5 x 5 mm 32-pin QFN
- -40°C to +125°C Junction Temperature Range
Typical applications
- Multiphase Buck Regulator
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | W (mm) | H (mm) | To | Tl (mm) | Pins | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | Q (%) | DF (%) | RISO | Ceramic Type | L (mm) | Fl (mm) | Packaging | L (µH) | IRP,40K (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 885012006032 | SPEC | 8 files | WCAP-CSGP MLCCs 25 V(DC) | 0.8 | 0.8 | – | – | – | 10 pF | ±5% | 25 | 0603 | -55 °C up to +125 °C | 600 | – | 10 GΩ | NP0 Class I | 1.6 | 0.4 | 7" Tape & Reel | – | – | – | – | – | – | ||
| 885012206077 | SPEC | 8 files | WCAP-CSGP MLCCs 50 V(DC) | 0.8 | 0.8 | – | – | – | 100 pF | ±10% | 50 | 0603 | -55 °C up to +125 °C | – | 2.5 | 10 GΩ | X7R Class II | 1.6 | 0.4 | 7" Tape & Reel | – | – | – | – | – | – | ||
| 885012206083 | SPEC | 8 files | WCAP-CSGP MLCCs 50 V(DC) | 0.8 | 0.8 | – | – | – | 1 nF | ±10% | 50 | 0603 | -55 °C up to +125 °C | – | 2.5 | 10 GΩ | X7R Class II | 1.6 | 0.4 | 7" Tape & Reel | – | – | – | – | – | – | ||
| 885012206084 | SPEC | 8 files | WCAP-CSGP MLCCs 50 V(DC) | 0.8 | 0.8 | – | – | – | 1.5 nF | ±10% | 50 | 0603 | -55 °C up to +125 °C | – | 2.5 | 10 GΩ | X7R Class II | 1.6 | 0.4 | 7" Tape & Reel | – | – | – | – | – | – | ||
| 885012206089 | SPEC | 8 files | WCAP-CSGP MLCCs 50 V(DC) | 0.8 | 0.8 | – | – | – | 10 nF | ±10% | 50 | 0603 | -55 °C up to +125 °C | – | 2.5 | 10 GΩ | X7R Class II | 1.6 | 0.4 | 7" Tape & Reel | – | – | – | – | – | – | ||
| 885012006083 | SPEC | 6 files | WCAP-CSGP MLCCs 100 V(DC) | 0.8 | 0.8 | – | – | – | 470 pF | ±5% | 100 | 0603 | -55 °C up to +125 °C | 1000 | – | 10 GΩ | NP0 Class I | 1.6 | 0.4 | 7" Tape & Reel | – | – | – | – | – | – | ||
| 885012208058 | SPEC | 8 files | WCAP-CSGP MLCCs 25 V(DC) | 1.6 | 0.8 | – | – | – | 100 nF | ±10% | 25 | 1206 | -55 °C up to +125 °C | – | 3.5 | 5 GΩ | X7R Class II | 3.2 | 0.6 | 7" Tape & Reel | – | – | – | – | – | – | ||
| 885012208118 | SPEC | 6 files | WCAP-CSGP MLCCs 100 V(DC) | 1.6 | 1.25 | – | – | – | 100 nF | ±10% | 100 | 1206 | -55 °C up to +125 °C | – | 2.5 | 1 GΩ | X7R Class II | 3.2 | 0.6 | 7" Tape & Reel | – | – | – | – | – | – | ||
| 885012109011 | SPEC | 8 files | WCAP-CSGP MLCCs 16 V(DC) | 2.5 | 2.5 | – | – | – | 47 µF | ±20% | 16 | 1210 | -55 °C up to +85 °C | – | 10 | 0.002 GΩ | X5R Class II | 3.2 | 0.75 | 7" Tape & Reel | – | – | – | – | – | – | ||
 | 74651195R | SPEC | – | 6 files | WP-THRSH REDCUBE THR with external thread | 10 | 10.5 | M5 | 7 | 9 | – | – | – | – | -55 °C up to +150 °C | – | – | – | – | – | – | Tape and Reel | – | – | – | – | – | THR | |
 | 74439369047 | SPEC | 8 files | WE-XHMI SMT Power Inductor | 10.5 | 9.1 | – | – | 2 | – | – | – | 1090 | -40 °C up to +125 °C | – | – | – | – | 11.6 | – | – | 4.7 | 20 | 28.05 | 5 | 21 | SMT |
| Samples |
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| Order Code | Datasheet | Simulation | Downloads | Product series | W (mm) | H (mm) | To | Tl (mm) | Pins | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | Q (%) | DF (%) | RISO | Ceramic Type | L (mm) | Fl (mm) | Packaging | L (µH) | IRP,40K (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Mount | Samples |
|---|