VN5770AKPTR-E STMicroelectronics, VN5770AKPTR-E Datasheet - Page 27

• Manufacturer Part Number: VN5770AKPTR-E
• Description: Power Switch ICs - Power Distribution Quad Smart Power 280mOhm 8.5A 36VCC
• Manufacturer: STMicroelectronics

Specifications of VN5770AKPTR-E

• Product Category: Power Switch ICs - Power Distribution
• Rohs: yes

VN5770AKP-E
Table 19.
1. values dependent on PCB heatsink area
Table 20.
1. Calculation is valid in any dynamic operating condition. Pd values set by user.
Figure 40. SO-28 HSD thermal impedance junction ambient single pulse
Z
Z
Z
Z
T
T
T
x
jHS12
jLS3
jLS4
thHS
thLS
thHSLS
thLSLS
100
ZTH
0.1
10
1
0.001
= Z
(˚C/W)
= Z
= Z
thLS3
thLS3LS4
thHS12LS3
Single pulse thermal impedance definitions
Thermal calculations in transient mode
= Z
0.01
thLS4
Z
Z
Z
thHS
thHSLS
thHSLS
= Z
thHS12LS4
x P
HSD
0.1
x P
x P
dHS12
Doc ID 17772 Rev. 4
dHS12
dHS12
+ Z
High-side chip thermal impedance junction to ambient
Low-side chip thermal impedance junction to ambient
Mutual thermal impedance junction to ambient
between high-side and low-side chips
Mutual thermal impedance junction to ambient
between low-side chips
time (sec)
+ Z
HsLsD
+ Z
thHSLS
1
thLS
thLSLS
x P
x (P
x P
dLS3
dLS3
10
dLS3
+ Z
+ P
(1)
+ Z
thLSLS
dLS4
(1)
thLS
) + T
100
x P
Package and thermal data
x P
amb
dLS4
dLS4
+ T
+ T
1000
amb
amb
Footprint
Footprint
1 cm
2 cm
6 cm
1 cm
2 cm
6 cm
27/35
2
2
2
2
2
2