BP5037B12 Datasheet, PDF (1/2 Pages) Rohm – AC/DC converter

AC/DC converter
AC100V input, 12V/200mA output
BP5037B12
Absolute Maximum Ratings
Parameter
Input voltage
Maximum Output current
ESD endurance
Operating temperature range
Storage temperature range
Maximum surface temperature
Symbol
Vi
Iomax
Vsurge
Topr
Tstg
Tcmax
Limits
170
200
2
−25 ∼ +80
−25 ∼ +105
105
Unit
V
mApk
kV
°C
°C
°C
Dimension(Unit : mm)
28.2MAX.
9.0MAX.
3.3MAX
1
3
5
7
10
5 . 0 8 ^{0 . 5 ±0 . 1}
7.62
1 . 3 ±0 . 2
(2.54×9=)22.86 TYP.
0 . 2 5 ±0 . 0 5
5.05MAX.
3.95MAX.
Electrical Characteristics
Parameter
Symbol Min. Typ. Max. Unit
Conditions
Input voltage range
Vi
Output voltage
Vo
Output current
Io
Line regulation
Vr
Load regulation
Vl
Output ripple voltage Vp
Power conversion effciency η
113 141 170 V DC
11.0 12.0 13.0 V Vi=141V, Io=100mA
0
−
200 mA Vi=141V
∗1
− 0.05 0.15 V Vi=113∼170V, Io=100mA
− 0.07 0.20 V Vi=141V, Io=0∼100mA
− 0.05 0.15 Vp-p Vi=141V, Io=100mA ∗2
70 78
−
% _{Vi=141V, Io=200mA}
∗1 Maximum output current varies depending on ambient temperature ; please refer to derating curve.
∗2 Spike noise is not included in output ripple voltage.
Application circuit
BP5037B12
Please note that pin No.10
side is input.
10
7
D1
R1
FUSE
1A
1SR35−400 10Ω1/4W
ZNR + _C1
C2
220V ^− 22µF/200V 0.1µF
53
L1
1mH
Pin No.
Function
1 Output terminal Vo(12V)
2 Not used
3 Choke coil connect
4 Not used
5 Choke coil connect
6 Not used
7 COMMON
1
8 Not used
9 Not used
Output
10
+12V
Input terminal Vi(141VDC)
+ ^C3
− 330µF/25V
Be sure to use fuse for safety.
For actual usage, Please kindly evaluate and confirm our part mounted in your product,
Especially, Please make sure to confirm whether the load current exceed Max. rated current
by using the current probe.
External components setting
FUSE: Fuse
C1: Capacitor for input
voltage smoothing
C2: For noise terminal
voltage reduction
C3: Capacitor for Output
voltage smooting
D1: Rectifier diode
L1: Choke coil
R1: For noise terminal
voltage reduction
ZNR: Varistor
Please make sure to use quick acting fuse 1A
Capacitance : 22µF∼100µF Rated voltage : 200V or higher
Ripple current is 0.13Arms above.
Capacitance : 0.1µF∼0.22µF Rated voltage : 200V or higher
Film capacitor or ceramic capacitor. Reduce the noise terminal voltage.
The constant value should be evaluated in the set.
Capacitance : 100µF∼470µF Rated voltage : 25V or higher,
ESR is 0.25Ω max. Ripple current is 0.4Arms above.
Output noise voltage is influenced.Please evaluate it in the actual set.
In the absolute maximum ratings, the reverse peak voltage should be
400V or higher, the average rectifying current should be 0.5A or higher,
and the peak surge current should be 20A or higher.
(Full-wave rectifier can be used in our part.)
Coil for switching regulator. The inductance should be 820µH,
the rated direct current should be 0.42A above.
Otherwise heating or abnormal oscillation occurs.
10Ω∼22Ω 1/4W
Reduce the noise terminal voltage. Please set it, if necessary.
The constant value should be evaluated in set.
Varistor must be used. It protects this part from lightning surge and static
electricity.
Derating Curve
Derating Curve
300
250
200
150
Operation Range
100
50
0
-30 -20 -10 0 10 20 30 40 50 60 70 80 90
Ambient Temperature Ta(°C)
Conversion Efficiency
Conversion Efficiency
100
(Ta=25°C, Vi=141V)
90
80
70
60
50
40
30
20
10
0
0 20 40 60 80 100 120 140 160 180 200
Output Current Io(mA)
Load Regulation
Load Regulation
14
(Ta=25°C, Vi=141V)
12
10
8
6
4
2
0
0 50 100 150 200 250 300
Output Current Io(mA)
Surface Temperature Rising
Surface Temperature Rising
(Ta=25°C, Vi=141V)
50
40
30
20
10
0
0
50
100
150
200
Output Current Io(mA)
1/2