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BD4201FV PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 BD4201FV
기능 Battery Backup IC
제조업체 Rohm
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BD4201FV 데이터시트, 핀배열, 회로
Regulators
Battery Backup IC
BD4201FV
BD4201FV
BD4201FV is a battery backup IC. Switch that detect battery voltage and switch into back up power supply and
3-channel regulator are incorporated into a single chip.
Current consumption is 15µA (Max.). This IC is perfect for portable appliances.
zApplications
Portable video, Digital camera
zFeatures
1) Low quiescent current
Normal operation < 15.0µA Max.
Backup mode < 2.1µA Max.
2) 3 high accurate voltage regulators
3) Low dropout voltage, and high accurate voltage
detectors (CS, RESET)
4) Control circuit; Backup
5) Special sequence;
For shifting to the backup mode. It need to make
main battery over +Vdet1 once.
zExternal dimensions (Unit : mm)
3.0±0.2
85
14
0.15±0.1
(0.52)
0.1
0.22±0.1
0.65
SSOP-B8
zAbsolute maximum ratings (Ta=25°C)
Parameter
Symbol
Limits
Main power supply input Voltage
Vin
15
Back up power supply input Voltage Vbat
15
CS output Voltage
Vcs 15
RESRT output Voltage
Power dissipation
VRES
Pd
15
350
Operating temperature
Topr 30 to +85
Storage temperature
Tstg 40 to +125
70mm 70mm 1.6mm Glass fiber basis subtract 3.5mW / C when over 25 C
Unit
V
V
V
V
mW
C
C
zCommendable operating status (Ta=25°C)
Parameter
Power supply range
Backup power supply range
Load current range1
Load current range2
Load current range3
Symbol Min. Typ. Max. Unit
Vin 2.0 - 15.0 V
Vbat
2.0
- 15.0 V
Iro 0 - 20.0 mA
Iout 0 - 60.0 mA
Ich 0 - 20.0 mA
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BD4201FV pdf, 반도체, 판매, 대치품
Regulators
zElectrical characteristics (Unless otherwise specified Vin=6V, Ta=25°C)
Parameter
[General spec]
Main circuit current1
Backup circuit current1
Backup circuit current2
[Regulator1]
Output voltage 1
Dropout voltage 1
Load regulation 1
Linc regulation 1
[Regulator2]
Output voltage 2
Dropout voltage 2
Load regulation 2
Linc regulation 2
[Regulator3]
Output voltage 3
Dropout voltage 3
Load regulation 3
Linc regulation 3
[Voltage detect block]
CS detect voltatge
CS release voltage
RESET detect voltage
RESET release voltage
RESET release delay time
Low operating voltage
CS sink current
CS leak current
RESET sink current
RESET leak curent
[Switch control block]
Symbol
lin1
lbat1
lbat2
Vro
Vdif1
Vlo1
Vli1
Vout
Vdif2
Vlo2
Vli2
Vch
Vdif3
Vlo3
Vli3
Vdet1
+Vdet1
Vdet2
+Vdet2
+Tdet2
Vopr
lcss
lcst
lres
lrel
Min.
2.93
2.93
3.32
3.235
3.320
2.156
2.232
200
2.0
250
150
Typ. Max.
10 15
0.0 0.5
1.5 2.1
3.00
0.1
30
50
3.07
0.35
100
100
3.00
0.25
30
60
3.07
0.35
110
110
3.30
0.1
30
50
3.38
0.35
110
110
3.300
3.400
2.200
2.312
300
500
300
3.365
3.480
2.244
2.391
0.1
0.1
Units
µA
µA
µA
V
V
mV
mV
V
V
mV
mV
V
V
mV
mV
V
V
V
V
µS
V
µA
µA
µA
µA
Switch voltage
Vsw1
2.822 2.89
CS no output voltage
Vsw2
2.79 2.85
Vbat switch leak current
IIek
Vbat switch resistor
Rsw 30
This product is not designed for protection against radioactive rays.
2.958
2.91
1
60
V
V
µA
BD4201FV
Conditions
Vin=3.6V No load
Vin=3.6V Vbat=3V No load
Vin : Open Vbat=3V No load
Vin=7.2V, lro=3mA
lro=3mA
Vin=7.2V, lro=100µA20mA
Vin=410V, lro=3mA
Vin=7.2V, lout=23mA
lout=23mA
Vin=7.2V, lout=100µA60mA
Vin=410V, lout=23mA
Vin=7.2V, lch=3mA
lch=3mA
Vin=7.2, Ich=100µA20mA
Vin=410V, lch=3mA
Vin voltage detection
Vout voltage detection
Vin or Vbat
Vcs=0.5V, Vin=Vbat=2.0V
Vcs=15V, Vin=15V
Vreset=0.5V, Vin=Vbat=2.0V
Vreset=15V, Vin=15V
Vbat=2.8V
Vbat=3V
Vin=3.6V, Vbat=0V
Vin=OPEN, Vbat=3V, Iout=10~500µA
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BD4201FV 전자부품, 판매, 대치품
Regulators
(Pin A)
Resistance
BD4201FV
(Pin B)
Transistor (NPN)
B
CE
P+
N
P substrate
P
N
P
N
Parasitic diode
P
N
N
P
N
P substrate
Parasitic diode
or transistor
P+
N
GND
(Pin A)
parasitic diode
GND
(Pin B)
C
B
GND
zPin layout
Fig.4 Simplified structure of IC
Parasitic diode
or transistor
Vss 1
Vch 2
Vbat 3
CS 4
8 Vro
7 Vin
6 Vout
5 RESET
Fig. 5
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부품번호상세설명 및 기능제조사
BD4201FV

Battery Backup IC

Rohm
Rohm
BD4201FV

Battery Backup IC

Rohm
Rohm

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