bd8671kn ROHM Co. Ltd., bd8671kn Datasheet - Page 2

• Manufacturer Part Number: bd8671kn
• Description: Dc/dc Converter Ic For Camera Module For Car Navigation System
• Manufacturer: ROHM Co. Ltd.

●This product is not designed for protection against radioactive rays.
●The current ability must not exceed Pd.
VIN,PVIN Circuit current 1
VIN,PVIN Circuit current 2
V12IN Circuit current
Range of DC/DC converter oscillation frequency setting
<Step-down DC/DC converter of 3.3V output part>
3.3V output voltage
Terminal SS Discharge resistance
Terminal SS Charging current
Terminal SS Threshold voltage
Terminal SS Clamping voltage
Terminal SS Standby voltage
Terminal SS Standby voltage Maximum hysteresis error
Terminal SS Discharge resistance
Terminal SS Protection circuit start voltage
Terminal SS Protection circuit start voltage
Maximum hysteresis error
Terminal V33 Low voltage detection voltage
Terminal V33 Low voltage detection
Maximum hysteresis error
Terminal V33 Overvoltage detection voltage
< Boost DC/DC converter of 12V output part >
12V output voltage
Terminal V12 Discharge resistance
Terminal FC12 Clamping voltage H
Terminal FC12 Clamping voltage L
Terminal FC12 Sink current
Terminal FC12 Source current
Terminal SS12 Charging current
Terminal SS12 Threshold voltage
Terminal SS12 Clamping voltage
Terminal SS12 Standby voltage
Terminal SS12 Standby voltage
Maximum hysteresis error
Terminal SS12 Discharge resistance
Terminal SS12 Protection circuit start voltage
Terminal SS12 Protection circuit start voltage
Maximum hysteresis error
Terminal V12Low voltage detection voltage
Terminal V12 Low voltage detection
Maximum hysteresis error
Terminal V12 Overvoltage detection voltage
< -5V output reversing charge pump part >
Terminal MV5 output voltage
Terminal MV5 Discharge resistance
Terminal MV5 Overvoltage detection voltage
Terminal MV5 Protection circuit start voltage
Terminal MV5 Low voltage detection voltage
Terminal MV5 Low voltage detection
Maximum hysteresis error
◎ELECTRICAL CHARACTERISTICS
(Unless otherwise noted Ta=25℃, VIN=6.0V,PVIN=6.0V,CTL1,2,3=6.0V,GND=0V)
●V
V
SS12
V33
： SS12 voltage、 V
： V33 voltage、V
Parameter
VSS33
MV5
： MV5 voltage 、V
： SS33 voltage、V
V12
MV8
： V12 voltage、V
：MV8 voltage、V
V
V
V
V
V
V
I
V
SS33PON_HYS
FC12SOURCE
SS12PON_HYS
SS33STB_HYS
SS12STB_HYS
V
V
V
V
V
V
MV5LVP_HYS
Symbol
R
V33LVP_HYS
R
V12LVP_HYS
V
V
V
I
V
V
V
V
R
R
V
R
V
FC12SINK
V
V
SS33CLM
SS33PON
SS12CLM
SS12PON
SS33STB
SS12STB
MV5PON
V
MV5OVP
I
SS33DIS
V33OVP
I
SS12DIS
V12OVP
MV5LVP
V
SS33TH
V
SS12TH
V33LVP
V12LVP
MV5DIS
V33DIS
V12DIS
F
SS33
FC12H
FC12L
SS12
I
I
I
Q
Q1
Q2
MV5
033
012
OSC
３
REV. A
V8
FC12
：V8 voltage、V
3.234
11.76
-5.10
-8.25
MIN
0.11
1.11
41.2
4.45
0.11
0.15
16.2
62.5
500
270
-4.0
270
-4.0
200
-4.5
-2.5
1.0
1.6
4.9
1.0
1.2
0.3
1.0
1.6
4.9
1.0
4.0
10
10
5
5
-
-
-
-
-
： FC12 voltage、
specification value
3.300
12.00
1000
-5.00
-7.50
TYP
0.15
1.32
4.95
0.15
18.0
390
-2.5
100
412
390
-2.5
100
320
-3.5
-2.0
625
4.1
2.3
1.1
1.9
7.0
1.1
1.1
1.9
7.0
1.1
4.8
1.5
50
50
0
-
-
-
-
V12IN
：V12IN voltage
3.366
12.24
MAX
1200
-4.90
-6.75
1250
0.19
1.53
5.45
0.19
19.8
500
-1.0
100
200
824
500
-1.0
100
200
430
-2.5
-1.5
6.1
3.3
1.2
2.2
9.1
1.2
0.2
-14
1.2
2.2
9.1
1.2
5.6
3.0
50
-
-
UNIT
kHz
mA
mA
mV
mV
mV
mA
mV
mV
mV
μA
μA
kΩ
μA
μA
kΩ
V
Ω
V
V
V
V
V
V
V
Ω
V
V
V
V
V
V
V
V
V
V
Ω
V
V
V
CTL1,2,3=0V
CTL1,2,3=VIN、 V
V
CTL1,2,3=VIN、 V
V
It is possible to set it with the terminal RT.
CTL1,2,3=0V
V
V
V
CTL1,2,3=6.0→0.0V
V
V
V
V
V
CTL1,2,3=0V
V
V
V
V
V
V
V
CTL1,2,3=6.0→0.0V
V
V
V
V
V
MV8= -8.0V
CTL3=0V、V
V
V
V
V
V12
V12
SS33
SS33
SS33
SS33
SS33
V33
V33
V33
V12
V12
V12
V12
SS12
SS12
SS12
SS12
SS12
V12
V12
V12
MV5
MV5
MV5
MV5
=13.0V 、V
=13.0V 、V
=10.5V
=13.5V
=13.5V、V
=10.5V、V
voltage (H→L)
voltage
voltage (L→H)
voltage (H→L)
voltage
voltage (L→H)
=1.0V
voltage、V
=1.0V
voltage、V
voltage (H→L)、V
voltage (L→H)、V
voltage、V33=3.3V
voltage (L→H)
voltage (L→H)
voltage
voltage、V
voltage (L→H)
voltage (L→H)
voltage
Condition
V8
FC12
FC12
=8.0V
V33
V33
V12IN
V12IN
FB12
=3.3V
=0.4V
=1.4V
=3.3V
V33
V33
=0.8V
=12.0V
=12.0V
=3.5V
=3.5V
V33
V33
=3.3V
=3.3V
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