# Key Words : Power supply loss

2019.03.07

#### Loss Factors

In this article, we examine the relationship between operating conditions and loss increases. Loss ...

- Key Words :
- Allowable loss
- Ambient temperature
- DC/DC converter loss
- Efficiency curve
- Efficiency graph
- Frequency
- Junction temperature
- Load current
- Loss calculation
- Loss factors
- Loss in synchronous rectifying step-down converters
- Loss reduction
- Power supply loss
- Ta
- Thermal calculation
- Thermal design
- Thermal resistance
- Tj

2019.02.21

#### Heat Calculation for Package Selection: Example 1

Up to the preceding article, places where losses occur were discussed and methods for determining lo...

2019.02.21

#### Heat Calculation for Package Selection: Example 2

In this article, in succession to the previous "Heat Calculation for Package Selection: Example 1",...

2019.01.10

#### Simplified Method of Loss Calculation

In the previous article, we presented the method for calculating total losses for a power supply IC ...

2019.01.10

#### Example of Power Loss Calculation for a Power Supply IC

Up to this point we have calculated losses of areas where losses occur. In this article, we summariz...

2018.12.20

#### Conduction Losses due to the Inductor DCR

In this article, we consider losses related to the DCR of output inductors, which are the last of th...

2018.11.08

#### Controller IC Power Consumption Losses in a Synchronous Rectifying Step-Down Converter

This time, in succession to the discussion of “dead time losses” in the previous section, we conside...

2018.11.08

#### Gate Charge Losses in a Synchronous Rectifying Step-Down Converter

In this article, we consider losses relating to driving of the gate of a MOSFET power switch. In the...

2018.10.11

#### Dead Time Losses in Synchronous Rectifying Step-Down Converters

In the previous article, switching losses occurring at switch nodes in a synchronous rectifying step...

2018.09.06

#### Switching Losses in Synchronous Rectifying Step-Down Converters

In the preceding article, we examined conduction losses in output-stage MOSFETs that are power switc...