Voltage detectors bd48xxg/fve bd49xxg/fve, Electrical characteristics, Term explanation – Rainbow Electronics BD4923G_FVE User Manual
Page 4: Rev.a
Power dissipation
When it is used in the ambient temperature of (Ta)=25°C and more, make reference to each thermal derating
characteristics of used package. Both Fig.5 and Fig.6 show these characteristic when only IC is used.
Power consumption of the IC
SSOP5
(SMP5C2) package
75
100
125
150
200
25
50
50
100
0
P
o
w
er dissipation (mW)
Ambient temperature Ta(°C)
EMP5
(VSOF5) package
Fig.5 Thermal derating curve
Fig.6 Thermal derating curve
75
100
125
150
200
25
50
50
100
0
P
o
w
er dissipation (mW)
Ambient temperature Ta(°C)
BD48XXFVE
BD49XXFVE
Circuit current at ON/OFF is very small. Power consumption in output depends on each load connected with
V
OUT
pin. Please note that total power consumption must be within a power dissipation range in the secure
area of the entire operating temperature. Power dissipation of these packages; SSOP5 (SMP5C2) package
(BD48XXG/BD49XXG) Fig.5, and VSOF5 (EMP5) package (BD48XXFVE/BD49XXFVE) Fig.6 is shown below.
—
—
—
—
—
—
—
0.60
0.80
0.85
0.90
—
100
1.80
—
0.51
1.53
V
S
=2.3 to 3.1V
—
0.56
1.68
V
S
=3.2 to 4.2V
V
S
=4.3 to 5.2V
—
0.66
1.98
V
S
=5.3 to 6.0V
V
S
=3.2 to 4.2V
V
S
=4.3 to 5.2V
V
S
=5.3 to 6.0V
—
0.75
V
S
=2.3 to 3.1V
2.25
2.40
2.55
2.70
0.1
T
PLH
I
CC1
I
CC2
I
leak
"H" transfer delay time
Circuit current when ON
Circuit current when OFF
Output leak current
V
S X
0.03 V
S X
0.05 V
S X
0.08
V
Hysteresis voltage
RL=470k , V
DD
=L H L
C
L
=100pF, R
L
=100k
*2
Detection voltage
temperature coefficient
—
±100
±360
ppm/°C
*1 Operation is guaranteed forTa=25°C.
*2 T
PLH
: V
DD
=(V
S
typ.–0.5V) (V
S
typ.+0.5V).
Note) RL is not necessary for CMOS output type.
Note) Minimum operating voltage
V
OUT
output becomes inconsistent if the V
DD
is equal to or lower than the operating limit voltage. It goes open, H, or L.
Note) Hysteresis voltage=(Reset release voltage)-(Reset detection voltage) [V]
V
OUT
=GND 50%
*1
V
DD
=Vs–0.2V
V
DD
=Vs+2V
0.95
—
—
V
V
OPL
Min. operating voltage
R
L
=470k , V
OL
0.4V
*1
V
DD
=V
DS
=10V
*1
0.7
1.4
—
0.9
1.8
—
1.1
2.2
—
mA
I
OH
"H" output current
V
DS
=0.5V, V
DD
=4.8V V
S
=2.3 to 4.2V
V
DS
=0.5V, V
DD
=6.0V V
S
=4.3 to 5.2V
V
DS
=0.5V, V
DD
=8.0V V
S
=5.3 to 6.0V
Electrical characteristics (
Unless otherwise noted; Ta=-25°C to 85°C)
2.0
4
—
mA
I
OL
"L" output current
0.4
1
—
V
DS
=0.5V, V
DD
=1.2V
V
DS
=0.5V, V
DD
=2.4V (V
S
2.7V)
Symbol
Min.
Max.
Unit
Conditions
Fig.28
Fig.31
Fig.12,13
15,17
Fig.33
Fig.31
Fig.32
Fig.30
Fig.29
Reference
Tap.
Parameter
• Detection voltage (V
S
) : V
DD
voltage when the output (Vout) goes from "H" to "L".
• Release voltage (V
S
+ V
S
) : V
DD
voltage when output (Vout) goes from "L" to "H".
• Hysteresis voltage : The difference between detection voltage and release voltage. Malfunction due to noise in V
DD
(within hysteresis voltage) could be avoided by hysteresis voltage.
Term explanation
*1
*1
BD48XXG
BD49XXG
4/15
Voltage detectors
BD48XXG/FVE
BD49XXG/FVE
V
S
/ T
Rev.A
V
S
s
A
A
A
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