DA9220 datasheet(9/62 Pages) DIALOG

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Giải thích chi tiết về linh kiện	High-Performance Dual-Channel DC-DC Converter

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DA9220

High-Performance Dual-Channel DC-DC Converter

Datasheet

Revision 2.1

17-Sep-2020

CFR0011-120-00

9 of 62

3.3

Thermal Characteristics

3.3.1

Thermal Ratings

Table 5: Package Ratings

Parameter

Description

Conditions

Min

Typ

Max

Unit

JA

Package thermal resistance

Note 1

32.7

°C/W

Note 1

Obtained from package thermal simulation, 2S2P4L board (JEDEC), influenced by PCB technology

and layout.

3.3.2

Power Dissipation

Table 6: Power Dissipation

Parameter

Description

Conditions

Min

Typ

Max

Unit

Power dissipation

Derating factor above TA =

70°C : 30.6 mW/°C

(1/θJA)

2140

Figure 5: 24WLCSP Power Derating Curve

3.4

ESD Characteristics

Table 7: ESD Characteristics

Parameter

Description

Conditions

Min

Typ

Max

Unit

VESD_HBM

ESD protection, human

body model (HBM)

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

100

110

120

130

140

A (°C)

D = (TJ - TA) / θJA

JA = 32.7 °C/W

Still air (0 m/s)

▲T

J(WARN) = 125 °C

◆

J(CRIT) = 140 °C

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