User Manual

DMP1055UFDB
Document number: DS36934 Rev.1 - 2
5 of 6
www.diodes.com
April 2014
© Diodes Incorporated
DMP1055UFDB
Package Outline Dimensions
Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for latest version.
Suggested Pad Layout
Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for the latest version.
t1, PULSE DURATION TIMES (sec)
Figure 12 Transient Thermal Resistance
r(t),
T
R
ANSIEN
T
T
H
E
R
MAL
R
ESIS
T
AN
C
E
R (t) = r(t) * R
R = 159°C/W
Duty Cycle, D = t1/ t2


JA JA
JA
D = 0.7
D = 0.5
D = 0.3
D = 0.1
D = 0.05
D = 0.02
D = 0.01
D = 0.005
Single Pulse
0.001
0.01
0.1
1
0.00001 0.0001 0.001 0.01 0.1 1 10 100 1000
D = 0.9
U-DFN2020-6
Type B
Dim Min Max Typ
A 0.545 0.605 0.575
A1 0 0.05 0.02
A3
 
0.13
b 0.20 0.30 0.25
D 1.95 2.075 2.00
d
 
0.45
D2 0.50 0.70 0.60
e
 
0.65
E 1.95 2.075 2.00
E2 0.90 1.10 1.00
f
 
0.15
L 0.25 0.35 0.30
z
 
0.225
All Dimensions in mm
Dimensions Value (in mm)
Z 1.67
G 0.20
G1 0.40
X1 1.0
X2 0.45
Y 0.37
Y1 0.70
C 0.65
SEATING PLANE
D
e
Pin#1 ID
L
b
D2
E2
E
A1
A
A3
f
z
f
d
G
G
Y
C
Z
Y1
X2
X1
G1