Datasheet > V048F320T006

V048F320T006

更新时间： 2022-04-17 07:40:15

品牌	Logo	应用领域
VICOR		/
页数	文件大小	规格书
11页	1181K
描述
VTM Current Multiplier

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中文翻译

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数据手册

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V048F320T006 数据手册

Application Note (continued)

VTM™ Current Multiplier Level 1 DC Behavioral Model for 48 V to 48 V, 6.3 A

R_OUT

I_OUT

188.0 mΩ

•

V I

• I_OUT

• V_IN

–

V_OUT

V_IN

I_Q

73 mA

–

Figure 16 — This model characterizes the DC operation of the V•I Chip VTM, including the converter transfer function and its losses. The model enables

estimates or simulations of output voltage as a function of input voltage and output load, as well as total converter power dissipation or heat generation.

V•I Chip VTM™ Current Multiplier Level 2 Transient Behavioral Model for 48 V to 48 V, 6.3 A

14.8 nH

L_OUT= 1.6 nH

I_OUT

R_OUT

L_IN= 5 nH

188.0 mΩ

R^CIN

R_COUT

C_OUT

47.1 mΩ

• V_IN

_1.C_{3 m}_IN_Ω

0.87 mΩ

V•I

• I_OUT

–

4.0 µF

–

6 µF

C_IN

C_OUT

V_OUT

V_IN

I_Q

73 mA

–

Figure 17 — This model characterizes the AC operation of the V•I Chip VTM including response to output load or input voltage transients or steady state

modulations. The model enables estimates or simulations of input and output voltages under transient conditions, including response to a stepped load

with or without external filtering elements.

In figures below;

K = VTM™ current multiplier transformation ratio

R_O= VTM output resistance

V_F= PRM output (Factorized Bus Voltage)

V_O= VTM output

V_L= Desired load voltage

FPA™ Adaptive Loop

P C

P R

+Out

Factorized

Bus (V_F)

+In

0.01 mF

ROS

RCD

PRM™ -AL

Module

10 kΩ

VTM™

Module

+In

+Out

0.4 µH

– Out

V_IN

10 Ω

– In

–In

–Out

– Out

Figure 18 — The PRM™ regulator controls the factorized bus voltage, V_F, in proportion to output current to compensate for the output resistance, Ro, of the

VTM™ current multipler. The VTM module output voltage is typically within 1% of the desired load voltage (V_L) over all line and load conditions.

vicorpower.com

800-735-6200

VTM™ Current Multiplier

V048F480T006

Rev. 3.1

Page 10 of 11

1...7 8 91011

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