BD4719 Rohm, BD4719 Datasheet - Page 2

• Manufacturer Part Number: BD4719
• Description: RESET IC
• Manufacturer: Rohm

Note) The ratings shown above indicate breakdown limit of the pin and should not be regarded as the values that guarantee the operation.
*
Power supply voltage
Output voltage
Power dissipation (SMP5)
Operating temperature range
Storage temperature range
Detection voltage
Detection voltage
temperature coefficient
Hysteresis voltage
"H" transfer delay time
"L" transfer delay time
"L" output voltage
Circuit current
Circuit current
Operating limit voltage
Output leak current
"L" output current
Derating : 1.5mW/˚C for operation above Ta=25˚C
*1 TPLH : Vcc=(Vs typ.–0.4V)Æ(Vs typ.+0.4V)
*2 TPHL : Vcc=(Vs typ.+0.4V)Æ(Vs typ.–0.4V)
Electrical characteristics
Application Circuit
Timing waveform
VCC
VOUT
Parameter
Parameter
VS+∆VS
VCC
VS
0V
VOH
VOL
(At OFF mode)
(At ON mode)
Symbol
Vs/∆T
VOPL
TPLH
TPHL
(Unless otherwise noted; Ta=25
VOL
Icc1
Icc2
∆Vs
IOL
Vs
IL
T
Symbol
PLH
Topr
Tstg
Vcc
Vref
Po
Pd
–2%
Min.
3.0
30
—
—
—
—
—
—
—
—
T
5
3
PHL
V
GND
CC
1.9~4.6
±0.01
–40 ~ +125
–0.3 ~ +10
–0.3 ~ +10
0.65
15.0
Typ.
–20 ~ +75
0.1
1.5
1.6
50
20
60
—
BD47XXG
Limits
150
*
4
Max.
+2%
0.85
Vout
100
120
0.4
3.0
3.2
0.1
50
—
—
˚C
)
%/˚C
Unit
mV
mA
µS
µS
µA
µA
µA
V
V
V
mW
VCC
Unit
˚C
˚C
V
V
V
reset pin
DD
Transfer delay time measurement circuit
RL=4.7kΩ, Vcc=HÆL
RL=4.7KΩ, Ta=–20~+75˚C
RL=4.7KΩ, Vcc=LÆHÆL
CL=100PF, RL=4.7KΩ
CL=100PF, RL=4.7KΩ
Vcc=VsMIN.–0.05V, RL=4.7KΩ
Vcc=VsMIN.–0.05V, RL=∞
Vcc=VsTYP./0.85V, RL=∞
RL=4.7KΩ, VOL≥0.4V
Vcc=Vout=10V
Vo=0.4V, Vcc=VsMIN.–0.05V
Micro
controller
0.22uF
Vcc
NC
Conditions
5
1
BD47XXG
SUB
2
Vout
GND
4
3
*1
*2
RL=4.7KΩ
100pF