
BU2285FV,BU2363FV
Technical Note
7/16
www.rohm.com
2009.04 - Rev.A
2009 ROHM Co., Ltd. All rights reserved.
●Reference data (BU2285FV Temperature and Supply voltage variations data)
Fig.40 18.4MHz
Temperature-Duty
45
46
47
48
49
50
51
52
53
54
55
-25
0
25
50
75
100
Temperature
:T[℃]
Du
ty
: Du
ty[
%
]
Fig.35 16.9MHz
Temperature-Period-Jitter 1
σ
0
10
20
30
40
50
60
70
80
90
100
-25
0
25
50
75
100
Temperature
:T[℃]
P
er
iod
-j
it
te
r1
σ
: PJ
-1
σ
[p
se
c
]
Fig.34 16.9MHz
Temperature-Duty
45
46
47
48
49
50
51
52
53
54
55
-25
0
25
50
75
100
Temperature
:T[℃]
Du
ty
: Du
ty[
%
]
Fig.41 18.4MHz
Temperature-Period-Jitter 1
σ
Fig.42 18.4MHz
Temperature-Period-Jitter MIN-MAX
Fig.43 Consumption current
(with maximum output load)
Temperature-Consumption current
0
10
20
30
40
50
60
70
80
90
100
-25
0
25
50
75
100
Temperature
:T[℃]
Per
iod-
jit
te
r1
σ
: PJ
-1
σ
[p
se
c
]
0
100
200
300
400
500
600
-25
0
25
50
75
100
Temperature
:T[℃]
Pe
rio
d
-jit
te
rM
IN
-M
AX
:
PJ
-M
IN
-M
AX[
ps
ec
]
0
10
20
30
40
50
-25
0
25
50
75
100
Temperature
:T[℃]
C
ir
c
ui
tC
u
rr
ent
: ID
D[mA
]
Fig.36 16.9MHz
Temperature-Period-Jitter MIN-MAX
Fig.37 36.9MHz
Temperature-Duty
Fig.38 36.9MHz
Temperature-Period-Jitter 1
σ
Fig.39 36.9MHz
Temperature-Period-Jitter MIN-MAX
45
46
47
48
49
50
51
52
53
54
55
-25
0
25
50
75
100
Temperature
:T[℃]
Du
ty
: Du
ty[
%
]
0
10
20
30
40
50
60
70
80
90
100
-25
0
25
50
75
100
Temperature
:T[℃]
Per
iod-
jit
te
r1
σ
: PJ
-1
σ
[p
se
c
]
0
100
200
300
400
500
600
-25
0
25
50
75
100
Temperature
:T[℃]
Pe
rio
d
-jit
te
rM
IN
-M
AX
:
PJ
-M
IN
-M
AX[
ps
ec
]
VDD=2.9V
VDD=3.3V
VDD=3.7V
VDD=2.9V
VDD=3.3V
VDD=3.7V
VDD=2.9V
VDD=3.3V
VDD=3.7V
VDD=2.9V
VDD=3.3V
VDD=3.7V
VDD=2.9V
VDD=3.3V
VDD=3.7V
VDD=2.9V
VDD=3.3V
VDD=3.7V
VDD=2.9V
VDD=3.3V
VDD=3.7V
VDD=2.9V
VDD=3.3V
VDD=3.7V
VDD=2.9V
VDD=3.3V
VDD=3.7V
VDD=2.9V
VDD=3.3V
VDD=3.7V
0
100
200
300
400
500
600
-25
0
25
50
75
100
Temperature
:T[℃]
Pe
rio
d
-jit
te
rM
IN
-M
AX
:
PJ
-M
IN
-M
AX[
ps
ec
]
VDD=2.9V
VDD=3.3V
VDD=3.7V