Datasheet > GRM1885C1E102JA01D

GRM1885C1E102JA01D

更新时间： 2024-11-05 11:58:59

品牌	Logo	应用领域
英飞凌 - INFINEON		/
页数	文件大小	规格书
43页	2763K
描述
16A HIGHLY INTERGRATED SUPLRBUCK

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PD‐97746

16A Highly Integrated SupIRBuck

IR3895

Single‐Input Voltage, Synchronous Buck Regulator

- 1 -P

FEATURES

DESCRIPTION

The IR3895 SupIRBuck^TMis an easy‐to‐use, fully

 Single 5V to 21V application

integrated and highly efficient DC/DC regulator.

The onboard PWM controller and MOSFETs make

IR3895 a space‐efficient solution, providing accurate

power delivery.

 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

IR3895 is a versatile regulator which offers

programmable of switching frequency and the fixed

internal current limit while operates in wide input and

output voltage range.

 Enable input with Voltage Monitoring Capability

 Thermally Compensated Current Limit with robust

The switching frequency is programmable from 300kHz

to 1.5MHz for an optimum solution.

hiccup mode over current protection

 Smart internal LDO to improve light load and full load

It also features important protection functions, such as

Pre‐Bias startup, thermally compensated current limit,

over voltage protection and thermal shutdown to give

required system level security in the event of fault

conditions.

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

APPLICATIONS

 Netcom Applications

±16A)

 Integrated MOSFET drivers and Bootstrap Diode

 Thermal Shut Down

 Embedded Telecom Systems

 Server Applications

 Programmable Power Good Output with tracking

capability

 Storage Applications

 Monotonic Start‐Up

 Distributed Point of Load Power Architectures

 Operating temp: ‐40^oC < Tj < 125^oC

 Small Size: 5mm x 6mm PQFN

 Lead‐free, Halogen‐free and RoHS Compliant

BASIC APPLICATION

Figure 1: IR3895 Basic Application Circuit

Figure 2:IR3895 Efficiency

AUGUST 08, 2012 | DATA SHEET| Rev 3.1

12 3 4 5 6 7...43

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