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Rohm Semiconductor Electronic Components Datasheet

BP5029 Datasheet

DC / DC converter

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DC / DC converter
BP5029
The BP5029 is a DC / DC converter module that uses a self-oscillation system. It contains switching devices,
rectifiers and coils. The module is available in stand-alone 6-pin SIP packages with no heat sink required.
Applications
Household appliances, OA equipment and industrial equipment
Features
1) Compact and light.
2) Built-in over current protection circuit.
3) Small number of external components required.
Absolute maximum ratings (Ta=25°C)
Parameter
Symbol
Power supply voltage
VIN
Operating temperature
Topr
Storage temperature
Tstg
Limits
20
10~+80
25~+105
Unit
V
°C
°C
Recommended operating conditions (Ta=25°C)
Parameter
Symbol Min. Typ.
Input voltage
VIN 8
Max.
16
Unit
V
Electrical characteristics (Ta=25°C)
Parameter
Symbol Min. Typ. Max.
Input voltage
VIN 8 16
Output voltage
Output current
VO 4.7 5.0 5.3
IO 0 300
Line regulation
VL 0.03 0.10
Load regulation
VR 0.07 0.15
Output ripple voltage
Vp 0.06 0.15
Power conversion efficiency
η
77 82
1 Maximum output current varies depending on ambient temperature : please refer to derating curve.
2 Spike noise is not included in output ripple voltage.
Unit Conditions
V
V VIN=12V, IO=100mA
mA VIN=12V
V VIN=8~15V, IO=300mA
V VIN=12V, IO=0~300mA
VPP VIN=12V, IO=300mA
% VIN=12V, IO=300mA
1
2
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Rohm Semiconductor Electronic Components Datasheet

BP5029 Datasheet

DC / DC converter

No Preview Available !

BP5029
Pin descriptions
Pin No. Pin name
1 VIN2
2 VIN1
4 GND
5 GND
6 VOUT
Pin 3 is removed.
Function
(Internally connected with pin 2.)
(Internally connected with pin 1.)
(Internally connected with pin 5.)
(Internally connected with pin 4.)
Measurement circuit
BP5029
12
456
Be sure to use
fuse for safety
VIN
+
C1
+
100µF
+ C2
100µF
Use a low-impedance product for switching power supplies for the I/O capacitor.
Fig.1
Operation notes
(1) The output current needs to be reduced as the ambient temperature rises.(Please refer to the derating
curve.)
(2) Lead pins should be securely connected. If lead pins are not securely connected, irregular voltages could
be produced, causing breakdowns and damage.
(3) Please I/O external capacitors as near as possible to the connection pins. Output ripple voltage might be
larger.
(4) Be minded to use external parts within the specified range. In case that the parts with other than the
specified range, it will not only result in dissatisfactory fulfillment of the specifications but may also cause
the failures.
(5) Watch out for chattering when the power is turned on. If chattering when the power is turned on, do not
use exceeding the maximum input voltage.
(6) In the case of loads such as motors or relays, take measures so that over voltage is not applied to the
module input / output terminals due to counter-electromotive force when turning power on / off, and
current does not exceed absolute maximum rating.
(7) Make sure that the absolute maximum rated value is not exceeded when locking, reversely rotating, or
starting the motor.
(8) Condensation
When the insulation between the terminals is deteriorated due to condensation, normal activation may
sometime be hindered. Please be careful with the condensation especially between the external coils,
and between the input terminals.
(9) Operating temperature
Be sure to use within the derating curve. Particularly, in case that this product is used in the closed vessel,
be sure to measure the temperature, and make sure that it is within the derating curve.
(10) Do not attempt to apply static electricity at the time of installation or storage. It may cause breakage.
(11) The over output voltage should not be applied to the output terminal.
(12) Since there may be a case that the output voltage cannot be increased if the reverse voltage is applied
to the output terminal, make sure that the reverse voltage should not be applied when supplying the
power source.
(13) In case that vibration is significant, be minded to use this product after fixing it.
2/4


Part Number BP5029
Description DC / DC converter
Maker Rohm
PDF Download

BP5029 Datasheet PDF






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