Datasheet > ERJ-3EKF2371V

ERJ-3EKF2371V

更新时间： 2024-11-01 12:23:07

品牌	Logo	应用领域
英飞凌 - INFINEON		/
页数	文件大小	规格书
43页	2405K
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9A HIGHLY INTEGRATED SUPLRBUCK

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ERJ-3EKF2371V 数据手册

‐

97661

9A Highly Integrated SupIRBuck^TM

IR3899

Single‐Input Voltage, Synchronous Buck Regulator

- 1 -

FEATURES

DESCRIPTION

The IR3899 SupIRBuck^TMis an easy‐to‐use, fully integrated

and highly efficient DC/DC regulator. The onboard PWM

controller and MOSFETs make IR3899 a space‐efficient

solution, providing accurate power delivery.

 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

IR3899 is a versatile regulator which offers programmable

switching frequency and the fixed internal current limit

while operates in wide input and output voltage range.

 Enhanced Line/Load Regulation with Feed‐Forward

 Programmable Switching Frequency up to 1.5MHz

 Internal Digital Soft‐Start/Soft‐Stop

The switching frequency is programmable from 300kHz to

1.5MHz for an optimum solution.

 Enable input with Voltage Monitoring Capability

 Thermally Compensated Current Limit with robust

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.

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

APPLICATIONS

 Netcom Applications

 Precision Reference Voltage (0.5V+/‐0.5%) with

margining capability

 Vp for Tracking Applications (Source/Sink Capability

+/‐9A)

 Embedded Telecom Systems

 Server Applications

 Integrated MOSFET drivers and Bootstrap Diode

 Thermal Shut Down

 Storage Applications

 Distributed Point of Load Power Architectures

 Programmable Power Good Output with tracking

capability

 Monotonic Start‐Up

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

 Small Size: 4mm x 5mm PQFN

 Lead‐free, Halogen‐free and RoHS Compliant

BASIC APPLICATION

12Vin,Internal bias,Frequency 600KHz

0.9

1.8

2.7

3.6

4.5

Load Current (A)

1.2Vout 3.3Vout

5.4

6.3

7.2

8.1

* optional

Figure 2: IR3899 Efficiency

Figure 1: IR3899 Basic Application Circuit

August 08, 2012 |DATA SHEET | 3.4

12 3 4 5 6 7...43

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与ERJ-3EKF2371V相关器件

型号	品牌	获取价格	描述	数据表
ERJ3EKF2372B	PANASONIC	获取价格	Fixed Resistor, Metal Glaze/thick Film, 0.063W, 23700ohm, 50V, 1% +/-Tol, 100ppm/Cel, Surf
ERJ3EKF2372V	PANASONIC	获取价格	贴片电阻器（精密级型）
ERJ-3EKF2372V	PANASONIC	获取价格	RES SMD 23.7K OHM 1% 1/10W 0603
ERJ3EKF2373V	PANASONIC	获取价格	Fixed Resistor, Metal Glaze/thick Film, 0.1W, 237000ohm, 75V, 1% +/-Tol, 100ppm/Cel, Surfa
ERJ-3EKF2373V	PANASONIC	获取价格	RES SMD 237K OHM 1% 1/10W 0603
ERJ3EKF23R2B	PANASONIC	获取价格	Fixed Resistor, Metal Glaze/thick Film, 0.063W, 23.2ohm, 50V, 1% +/-Tol, 100ppm/Cel, Surfa
ERJ3EKF23R2V	PANASONIC	获取价格	贴片电阻器（精密级型）
ERJ3EKF23R7V	PANASONIC	获取价格	贴片电阻器（精密级型）
ERJ-3EKF23R7V	PANASONIC	获取价格	RES SMD 23.7 OHM 1% 1/10W 0603
ERJ3EKF2400B	PANASONIC	获取价格	Fixed Resistor, Metal Glaze/thick Film, 0.063W, 240ohm, 50V, 1% +/-Tol, 100ppm/Cel, Surfac

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