Diodes DMP4047LFDE - Manual (Page 5)

DMP4047LFDE
D atasheet number: DS35777 Rev. 5 - 2
5 of 6
www.diodes.com
July 2012
© Diodes Incorporated
DMP4047LFDE
ADVAN
CE I
N
F
O
RM
ATI
O
N
0.0001 0.001 0.01 0.1 1 10 100 1,000
t1, PULSE DURATION TIMES (sec)
Fig. 13 Transient Thermal Resistance
0.001
0.01
0.1
r(t
),
T
R
ANS
IEN
T
T
H
E
R
MA
L
R
ESI
S
T
AN
C
E
1
R (t) = r(t) * R
R = 186°C/W
Duty Cycle, D = t1/ t2
θ θ
θ
JA JA
JA
D = 0.7
D = 0.9
D = 0.5
D = 0.3
D = 0.1
D = 0.05
D = 0.02
D = 0.01
D = 0.005
Single Pulse
Package Outline Dimensions
Suggested Pad Layout
U-DFN2020-6
Type E
Dim Min Max Typ
A 0.57 0.63 0.60
A1 0 0.05 0.03
A3 — — 0.15
b 0.25 0.35 0.30
b1 0.185 0.285 0.235
D 1.95 2.05 2.00
D2 0.85 1.05 0.95
E 1.95 2.05 2.00
E2 1.40 1.60 1.50
e — — 0.65
L 0.25 0.35 0.30
L1 0.82 0.92 0.87
K1 — — 0.305
K2 — — 0.225
Z — — 0.20
All Dimensions in mm
Dimensions
Value
(in mm)
C 0.650
X 0.400
X1 0.285
X2 1.050
Y 0.500
Y1 0.920
Y2 1.600
Y3 2.300
A1
Z(4X)
b1
L1
K1
K2
D
D2
E
e b(6X)
L(2X)
E2
A
A3
X1
Y3
X (6x) C
X2
Y1
Y2
Y (2x)