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Infineon Technologies IR3895M
16A Highly Integrated SupIRBuck Single‐Input Voltage, Synchronous Buck Regulator
Overview
| Topology | Buck Converter |
| Input voltage | 12 V |
| Switching frequency | 270-1650 kHz |
| Output 1 | 1 V / 16 A |
| Output 2 | 1.2 V / 16 A |
| Output 3 | 3.3 V / 16 A |
| Output 4 | 1.8 V / 16 A |
| Output 5 | 5 V / 16 A |
| IC revision | 3.4 |
Description
The IR3895 SupIRBuckTM is an easy‐to‐use, fully integrated and highly efficient DC/DC regulator. The onboard PWM controller and MOSFETs makeIR3895 a space‐efficient solution, providing accuratepower delivery.IR3895 is a versatile regulator which offersprogrammable of switching frequency and the fixedinternal current limit while operates in wide input andoutput voltage range.The switching frequency is programmable from 300kHzto 1.5MHz for an optimum solution.It also features important protection functions, such asPre‐Bias startup, thermally compensated current limit,over voltage protection and thermal shutdown to giverequired system level security in the event of faultconditions.
Features
- Single 5V to 21V application
- Wide Input Voltage Range from 1.0V to 21V with external Vcc
- Output Voltage Range: 0.5V to 0.86* Vin
- Enhanced Line/Load Regulation with Feed‐Forward
- Programmable Switching Frequency up to 1.5MHz
- Internal Digital Soft‐Start/Soft‐Stop
- Enable input with Voltage Monitoring Capability
- Thermally Compensated Current Limit with robust hiccup mode over current protection
- Smart internal LDO to improve light load and full load efficiency
- External Synchronization with Smooth Clocking
- Enhanced Pre‐Bias Start‐Up
- Precision Reference Voltage (0.5V+/‐0.5%) with margining capability
- Vp for Tracking Applications (source/sink capability ±16A)
- Integrated MOSFET drivers and Bootstrap Diode
- Thermal Shut Down
- Programmable Power Good Output with tracking capability
- Monotonic Start‐Up
- Operating temp: ‐40oC < Tj < 125oC
- Small Size: 5mm x 6mm PQFN
- Lead‐free, Halogen‐free and RoHS Compliant
Typical applications
- Distributed Point of Load Power Architectures
- Storage Applications
- Netcom Applications
- Embedded Telecom Systems
- Server Applications
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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 7443330047 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCC SMT High Current Cube Inductor | 0.47 | 31.3 | 46.5 | 54.9 | 1.85 | Ferrite | 0.47 | 160 | ||
| 7443330100 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCC SMT High Current Cube Inductor | 1 | 27.2 | 26.5 | 31.1 | 2.65 | Ferrite | 0.95 | 100 |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 7443330047 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | |
| 7443330100 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. |
| Samples |
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| 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 |
|---|