Ah5794, Single phase hall effect latch fan motor driver, New prod uc t – Diodes AH5794 User Manual
Page 9: Thermal performance characteristics (cont.)
AH5794
SINGLE PHASE HALL EFFECT LATCH FAN MOTOR DRIVER
AH5794
Document number: DS35809 Rev. 1 - 2
9 of 13
March 2012
© Diodes Incorporated
NEW PROD
UC
T
Thermal Performance Characteristics (cont.)
(2) Package type: U-DFN2020C-6
(Note 10)
T
A
(
°C)
25
50
60
70
75
80
85
90
95
100
P
D
(mW)
781 625 563 500 469 438 406 375 344 313
T
A
(
°C)
105
110
115
120
125
130
135
140
145
150
P
D
(mW)
281
250
219
188
156
125
94
63
31
0
Notes:
10. U-DFN2020C-6 exposed pad soldered to minimum recommended landing pads (see Package Outline Dimension section) on a two-layer 2oz.
copper FR4 PCB (1.6mm thickness) with no thermal vias in exposed PADs or any copper flood connecting to the landing pattern of the
exposed pad.
-40
25
50
75
100
125
150
105
TEMPERATURE (°C)
Power Dissipation Curve
900
600
500
400
300
200
100
0
800
P
O
WE
R
DISSI
P
A
T
IO
N
(mW
)
700