Datasheet > IXTA220N04T2

IXTA220N04T2

更新时间： 2024-02-16 06:41:26

品牌	Logo	应用领域
IXYS		转换器
页数	文件大小	规格书
11页	200K
描述
DC to DC Synchronous Converter Design

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IXTA220N04T2 技术参数

生命周期：	Active	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.7
Base Number Matches：	1

IXTA220N04T2 数据手册

DC to DC Synchronous Converter Design

Abdus Sattar, IXYS Corporation

IXAN0068

period when I_L1(t) is greater than I_o. The charge (ΔQ ) that flows into C1 at this time

divided by the value of C1 is the output voltage ripple component.

Output Inductor Ripple Current and Voltage:

The inductor voltage can be defined as,

Δt(Vin −Vo)

V_L= L1 = Vin −Vo , or, Δi = ΔI_L1(t) =

, here, Δt = Ton = DTs

The inductor ripple current is,

Vin −Vo D(Vin −Vo)

ΔI_L1(t) = DTs

(1)

f_S• L1

The charge, ΔQ , indicated in Figure 5, can be determined by calculating the area of the

ΔI_L1(t)

triangle with height

and width

shown in Figure 5.

ΔI_L1(t) T_SΔI_L1(t) •T _SΔI_L1(t)

ΔQ = •

•

8 f_S

The ripple voltage is,

ΔQ

D(1− D)VinTs²π ²(1− D)Vo

ΔI_L1(t)Ts

ΔV_L(t) =

(

^C)²= ΔV_O(t)

(2)

8C1

8L1C1

f_S

Where, f_C=

, Output low pass filter (LPF) resonant frequency, f_S= The

2π L1C1

switching frequency. The inductor value of L1 and the effective series resistance (ESR)

of the output capacitor, C1, affect the output ripple voltage, ΔV_L. A capacitor with the

lowest possible ESR is recommended for the application. For example, 4.7–10 uF

capacitors in X5R/X7R technology have ESR approximately 10 mΩ..

Summary of design equations:

Ripples voltage/current, Inductor and Capacitor:

ΔI_L1(t)Ts ΔI_L1(t)

Output ripple voltage, ΔV_L(t) =

(3)

8C1

8C1f_S

Inductor ripple current, ΔI_L1(t) = 8C1f_S• ΔV_L(t)

Vin −Vo D(Vin −Vo)

(4)

(5)

Output inductor, L1 ≥ DTs

ΔI_L1(t)

f_S• ΔI_L1(t)

ΔI_L1

8 f_sΔVo

ΔI_L1(t)

Output capacitor, C1 ≥

since ΔQ =

•

= C1• ΔVo (6)

Output filter cut-off frequency, f_C=

(7)

2π L1C1

1 2 345 6 7...11

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IXTA220N04T2 替代型号

型号	品牌	替代类型	描述	数据表
IXTP220N04T2	LITTELFUSE	功能相似	这些器件具有40V至170V的漏极 - 源极电压额定值，并可提供高达600安培的高电流性能
IXTA220N04T2-7	IXYS	功能相似	Power Field-Effect Transistor, 220A I(D), 40V, 0.0035ohm, 1-Element, N-Channel, Silicon, M
IXTP220N04T2	IXYS	功能相似	DC to DC Synchronous Converter Design

与IXTA220N04T2相关器件

型号	品牌	获取价格	描述	数据表
IXTA220N04T2-7	IXYS	获取价格	Power Field-Effect Transistor, 220A I(D), 40V, 0.0035ohm, 1-Element, N-Channel, Silicon, M
IXTA220N04T2-7	LITTELFUSE	获取价格	这些器件具有40V至170V的漏极 - 源极电压额定值，并可提供高达600安培的高电流性能
IXTA220N04T2-TRL	IXYS	获取价格	Power Field-Effect Transistor,
IXTA220N055T	IXYS	获取价格	Preliminary Technical Information TrenchMVTM Power MOSFET
IXTA220N075T7	IXYS	获取价格	MOSFET N-CH 75V 220A TO-263-7
IXTA230N04T4	LITTELFUSE	获取价格	Power Field-Effect Transistor,
IXTA230N075T2	IXYS	获取价格	N-Channel Enhancement Mode Avalanche Rated
IXTA230N075T2	LITTELFUSE	获取价格	这些器件具有40V至170V的漏极 - 源极电压额定值，并可提供高达600安培的高电流性能
IXTA230N075T2-7	IXYS	获取价格	Power Field-Effect Transistor, 230A I(D), 75V, 0.0042ohm, 1-Element, N-Channel, Silicon, M
IXTA230N075T2-7	LITTELFUSE	获取价格	Power Field-Effect Transistor,

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