BD3021HFP-M Ver la hoja de datos (PDF) - ROHM Semiconductor
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BD3021HFP-M Datasheet PDF : 15 Pages
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BD3021HFP-M
Technical Note
●Electrical characteristics (Unless otherwise specified, Ta=25°C, Vcc=13.5V, CLK=GND)
Parameter
Symbol Min. Typ. Max. Unit
Conditions
Overall Device
Bias current 1
Icc1
－
80
130
µA Io=0mA
Bias current 2
Regulator
Output voltage
Icc2
－
150 300
µA Io=50mA(Ta=25℃)
VOUT 4.90 5.00 5.10
V Io=200mA
Line regulation
Line.Reg －
5
35
mV Vcc=5.6 ~ 36V
Load regulation
Load.Reg －
30
70
mV Io=5 ~ 200mA
Dropout voltage
Ripple rejection
Reset
Detection voltage
ΔVd
－
0.3
0.6
V Vcc=4.75V, Io=200mA
R.R.
45
55
－
dB
f=120Hz, ein=1Vrms,
Io=100mA
Vdet
4.40 4.50 4.60
V
Hysteresis width
Output delay time LowHigh
(Power on reset time)
Output delay time High→Low
RESET discharge urrent
CT discharge current
Low output voltage
VHS
50
100 150
mV
TdLH
1.1
1.9
2.7
ms
Vcc=Vdet±0.5V(Vcc=VOUT)
INH=Open,CT=0.01µF
TdHL
－
100 300
µs
Vcc=Vdet±0.5V(Vcc=VOUT)
INH= Open,CT=0.01µF
IRESET 0.2
－
－
mA
Vcc=1.5V,RESET=0.5V
(Vcc=VOUT)
Ict
0.1
－
－
mA
Vcc=1.5V,CT=0.5V
(Vcc=VOUT)
VRST
－
0.1
0.2
V VOUT=4.0V
Min. operating voltage
VOPL 1.5
－
－
Watchdog timer
CT switching threshold voltage High VthH 1.08 1.15 1.25
V
V WDT ON, INH= Open
CT switching threshold voltage Low VthL
0.13 0.15 0.17
V WDT ON, INH= Open
WDT Charge current
Ictc
3.5
6.0
8.5
µA WDT ON, INH= Open, CT=0V
WDT Discharge current
Watchdog monitor time Low
Watchdog reset time
Ictd
1.2
2.0
2.8
µA WDT ON, INH= Open, CT=1.3V
WDT ON, INH= Open,
TWH
3.0
5.0
7.0
ms
CT=0.01µF(Ceramic Cap)
※Characteristics of ceramic cap not
considered.
TWL
1.0
1.7
2.4
ms
CLK Input pulse width
INH
WDT OFF threshold Voltage
WDT ON threshold voltage
INH Input current
TWCLK 500
－
－
ns
VHINH
VOUT
×0.8
－
VOUT
V
VLINH
0
－
VOUT
×0.3
V
IINH
－
10
20
µA INH=5V
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2/14
2010.11 - Rev.A
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