- 1-
B M R - 0 3 0 2
System Reset IC
K O D E N S H I
B M R - 0 3 0 2 C
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
Hysteresis voltage
Temperature coefficient of detecting voltage
Low level output voltage
Circuit current at ON
Circuit current at OFF
Threshold operating voltage
Output current at ON 1
Output current at ON 2
Transmission delay time
Transmission delay time
D I M E N S I O N S
(Unit : mm)
( V
C C
= 5 V , T a = 2 5)
ELECTRO-OPTICAL CHARACTERISTICS
R
L
=470 , V
C C
=H L , V
O L
0 . 4 V
R
L
=470 , V
C C
=L H L
R
L
=470 , T a =20 ~75
R
L
=470 , V
C C
= V
S
M i n .
R
L
=, V
C C
= V
S
M i n .
R
L
=, V
C C
= V
S
M a x + 0 . 1 V
R
L
=4.7k , V
O L
0 . 4 V
R
L
=0 , V
C C
= V
S
M i n .
R
L
=0 , T a =20 ~75
R
L
=4.7k ,CL =100pF
R
L
=4.7k ,CL =100pF
I t e m
T y p .
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
-
1 0 0
1 0
V
S
V
S
V
S
/T
V
O L
I
C C L
I
C C H
V
O P L
I
O L
1
I
O L
2
t
P L H
t
P H L
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
-
-
-
-
-
1 0
5
-
-
4 . 7
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
-
0 . 4
1 8 0
2 . 5
1 . 6
-
-
5 0 0
2 0
V
m V
% /
V
A
A
V
m A
m A
s e c
s e c
S y m b o l
C o n d i t i o n s
M i n .
M a x .
U n i t .
R a t i n g
S y m b o l
I t e m
MAXIMUM RATINGS
V
C C
P
D
T o p r .
T s t g
- 0 . 3 ~ + 1 0 . 0
1 5 0
- 2 0 ~ + 7 5
- 4 0 ~ + 1 2 5
V
m W
U n i t
( T a = 2 5)
Supply voltage
Power dissipation
Operating temp.
Storage temp.
B M R0302 is the low reset type of IC that guarantee to set again micro
computers or logic systems by detecting the intermittent of fluctuating
power supply voltage during normal use or switching on/off of
t h e e q u i p m e n t s .
A comparator type of hysteresis transistor developed by KODENSHI is
built in the IC,so that BMR0302 is very cost effective components.
A n d , B M R0302 is a superlow consumption electric current system
reset IC which has been developed with using high resistance process.
F E A T U R E S
S u p e rlow 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 SOT23 of the superminiature surface mounting type
A P P L I C A T I O N S
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
Detecting Voltage
- 2-
B M R - 0 3 0 2
System Reset IC
Power dissipation Vs.
Ambient temp
Detecting voltage Vs.
Ambient temp.
Output current at ON Vs.
Ambient temp.
Load capasitance Vs.
Transmission delay time
Timing chart
Circuit current at OFF Vs.
Ambient temp.
Circuit current at ON Vs.
Ambient temp.
Hysteresis voltage Vs.
Ambient temp.
Low Level output voltage Vs.
Ambient temp.
Output voltage Vs.
Supply voltage
Output current Vs.
Supply voltage
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