Datasheet > IP2002PBF

IP2002PBF

更新时间： 2025-09-12 03:44:15

品牌	Logo	应用领域
英飞凌 - INFINEON		驱动器半导体电源电路
页数	文件大小	规格书
12页	475K
描述
Synchronous Buck Multiphase Optimized BGA Power Block Intergrated Power Semiconductors,Drivers&Passives

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IP2002PBF 数据手册

iP2002PbF

Applying the Safe Operating Area (SOA) Curve

The SOA graph incorporates power loss and thermal resistance information in a way that allows one to solve for maximum

current capability in a simplified graphical manner. It incorporates the ability to solve thermal problems where heat is drawn

Case Temperature (

out through the printed circuit board and the top of the case.

100

110

120

Procedure

Safe

Operating

Area

1) Draw a line from Case Temp axis at T_CASEto the PCB

Temp axis at T_PCB

2) Draw a vertical line from the T_Xaxis intercept to the SOA

curve.

T_X

V_IN= 12V

_OUT= 1.3V

f_SW= 1MHz

L = 0.30uH

3) Draw a horizontal line from the intersection of the vertical

line with the SOA curve to the Y axis. The point at which

the horizontal line meets the y-axis is the SOA current.

100

110

120

PCB Temperature (ºC)

Adjusting the Power Loss and SOA curves for different operating conditions

To make adjustments to the power loss curves in Fig. 1, multiply the normalized value obtained from the curves in Figs. 3,

4, 5 or 6 by the value indicated on the power loss curve in Fig. 1. If multiple adjustments are required, multiply all of the

normalized values together, then multiply that product by the value indicated on the power loss curve in Fig. 1. The resulting

product is the final power loss based on all factors. See example no. 1.

To make adjustments to the SOAcurve in Fig. 2, determine your maximum PCB Temp & Case Temp at the maximum operating

current of each iP2002PbF. Then, add the correction temperature from the normalized curves in Figs. 3, 4, 5 or 6 to the T_Xaxis

intercept (see procedure no. 2 above) in Fig. 2. When multiple adjustments are required, add all of the temperatures

together, then add the sum to the T_Xaxis intercept in Fig. 2. See example no. 2.

Operating Conditions for the following examples:

Output Current = 30A

Sw Freq= 900kHz

Input Voltage = 10V

Inductor = 0.2uH

Output Voltage = 3.3V

Example 1) Adjusting for Maximum Power Loss:

(Fig. 1) Maximum power loss = 11W

(Fig. 3) Normalized power loss for input voltage ≈ 0.98

(Fig. 4) Normalized power loss for output voltage ≈ 1.28

(Fig. 5) Normalized power loss for frequency ≈ 0.955

(Fig. 6) Normalized power loss for inductor value ≈ 1.02

Adjusted Power Loss = 11W x 0.98 x 1.28 x 0.955 x 1.02 ≈ 13.44W

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1...3 4 567 8 9...12

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与IP2002PBF相关器件

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