System Reset IC
K O D E N S H I
B M R - 0 3 0 2
B M –R 0302 is the low reset type of IC that guarantee to set again micro
computers or logic systems by detecting the intermittent of fluctuating
p o we r s up p ly vo lta g e d urin g n o rm a l us e o r s witc hin g o n /o ff o f
t h e e q u i p m e n t s .
DIMENSIONS
(Unit : mm)
A comparator type of hysteresis transistor developed by KODENSHI is
built in the IC,s o that BMR– 0302 is very cos t effective components .
A n d , B–M0R302 is a super– low consumption electric current system
reset IC which has been developed with using high resistance process.
FEATURES
•
•
•
•
•
•
S u p–elorw current consumption
Low operation voltage
High current of output transistor
Hysteresis circuit built in
It has on delay function to supplement the constant of outer C and R
A package is SOT– 23 of the super– miniature surface mounting type
APPLICATIONS
•
Micro computer circuits in mobile phones,word processors,TVs,VCRs
e t c .
•
•
General logic circuits
Detection of voltage drop in batteries of note personal computers,
mobile phones
•
Switching to backup power supply
MAXIMUM RATINGS
I t e m
Supply voltage
Power dissipation
Operating temp.
Storage temp.
( T a = ℃2)5
S y m bRoal t i n g U n i t
C
C
V
- 0 . 3 ~ + 1 0 . V0
D
P
1 5 0
m W
T o p r .
T s t g
-
2 0 ~ + 7 5 ℃
-
4 0 ~ + 1 2 5℃
ELECTRO-OPTICAL CHARACTERISTICS
I t e m S y m b o l
B M R - 0 3 0 2 C
C
C
( V = 5 V , T a ℃= )2 5
C o n d i t i o n s
T yMp i. n .
M a x .
U n i t
4 . 5
4 . 2
3 . 9
3 . 6
3 . 3
3 . 1
2 . 9
2 . 7
2 . 5
2 . 3
1 0 0
± 0 . 0 1
0 . 1
1 0 0
1 . 0
1 . 4
2 0
4 . 7
4 . 3
4 . 0
3 . 7
3 . 4
3 . 1
2 . 9
2 . 7 5
2 . 5 5
2 . 3 5
2 . 1 5
4 0
-
-
-
-
-
4 . 4
4 . 1
3 . 8
3 . 5
3 . 3
3 . 0 5
2 . 8 5
2 . 6 5
2 . 4 5
3 0 0
-
B M R - 0 3 0 2 D
B M R - 0 3 0 2 E
B M R - 0 3 0 2 F
B M R - 0 3 0 2 G
B M R - 0 3 0 2 H
B M R - 0 3 0 2 I
B M R - 0 3 0 2 J
B M R - 0 3 0 2 K
B M R - 0 3 0 2 L
Detecting Voltage
S
L
C
C
O L
V
V
R
= 470 Ω, V = H →L , V 0 . 4 V
Hysteresis voltage
S
L
C C
V
m V
% ℃/
V
μA
μA
R
R
= 470 Ω, V = L →H →L
Temperature coefficient of detecting voltage
Low level output voltage
Circuit current at ON
S
L
V /
V
C
I
C
I
V
O
T
= 470 Ω, T a –=20 ~ 75 ℃
O
L
L
C
C
S
0 . 4
1 8 0
2 . 5
1 . 6
-
R
= 470 Ω, V
=
V M i n .
C
L
L
C
C
S
R
= ∞ Ω , V
=
S
V M i n .
Circuit current at OFF
C
H
L
C
C
R
= ∞ Ω , V
=
V M a x + 0 . 1 V
Threshold operating voltage
Output current at ON 1
O
P
L
L
O L
V
R
R
= 4.7k Ω, V 0 . 4 V
L
L
L
C
C
S
I
I
1
2
m A
m A
μ s e c
μ s e c
= 0 Ω, V
=
V M i n .
1 0
5
-
Output current at ON 2
O
L
-
-
R
= 0 Ω, T a –=20 ~ 75 ℃
= 4.7k Ω ,CL = 100pF
= 4.7k Ω ,CL = 100pF
Transmission delay time
Transmission delay time
P
L
H
L
1 0 0
1 0
t
t
5 0 0
2 0
R
R
P
H
L
L
-
- 1-