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Rohm Semiconductor Electronic Components Datasheet

BM2P129TF Datasheet

DC/DC converter

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Datasheet
AC/DC Convertor IC
PWM type DC/DC converter IC
Integrated Switching MOSFET for non-Isolated type
BM2P139TF/BM2P135TF/BM2P137TKF/BM2P129TF
General
The PWM type DC/DC converter for AC/DC provides
an optimum system for all products that include an
electrical outlet. It enables simpler design of a high
effective converter specializing in non-isolated devices.
This series has a built-in HV starter circuit that
tolerates 650V/800V, and it contributes to low power
consumption. With a current detection resistor for
switching as internal device, it can be designed as
small power supply. Since current mode control is
utilized, current is restricted in each cycle and
excellent performance is demonstrated in bandwidth
and transient response. The switching frequency is
fixed to 100 kHz. A frequency hopping function is also
on chip, and it contributes to low EMI. In addition, a
built-in super junction MOSFET which tolerates
650V/800V makes the design easy.
Features
PWM frequency: 100kHz
PWM current mode method
Frequency hopping function
Burst operation at light load
Built-in 650V/800V start circuit
Built-in 650V/800V switching MOSFET
VCC pin under voltage protection
VCC pin over voltage protection
Over current limiter function per cycle
Soft start function
Basic Specification
Power Supply Voltage Operation Range:
VCC(BM2P13XTF/137TKF): 10.60V to 14.05V
VCC(BM2P129TF):
8.00V to 12.97V
DRAIN:
to 650V/800V
Normal Operation Current
BM2P1X9TF
0.85mA (Typ.)
BM2P137TKF 1.20mA (Typ.)
BM2P135TF
0.95mA (Typ.)
Burst Operation Current
0.45mA(Typ.)
Oscillation Frequency
Operation Temperature Range
100kHz(Typ.)
- 40 oC to +105 oC
MOSFET ON resistor:
4.5,7.5,9.5(Typ.)
Package
SOP8 5.00mm x 6.20mm x 1.71mm pitch 1.27mm
(Typ.) (Typ.)
(Max.)
(Typ.)
Application
LED lights, air conditioners, and cleaners, (etc.).
Application circuit
D2
AC
Input
Filter
1 VCC
8
2 GND_IC 7
3
4
DRAIN
6
5
L
D1
VOUT
GND
Product structure : Silicon monolithic integrated circuit
.www.rohm.com
© 2017 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
This product has no designed protection against radioactive rays
1/21
TSZ02201-0F1F0A200260-1-2
17.Apr.2017.Rev.002


Rohm Semiconductor Electronic Components Datasheet

BM2P129TF Datasheet

DC/DC converter

No Preview Available !

BM2P139TF/BM2P135TF/BM2P137TKF/BM2P129TF
Pin Descriptions
NO.
1
2
3
4
5
6
7
8
Pin Name
VCC
-
-
DRAIN
-
-
GND_IC
-
I/O Function
I Power Supply input pin
--
--
I/O MOSFET DRAIN pin
--
--
I/O GND pin
--
Block Diagram
Datasheet
ESD Diode
VCC GND_IC
-
--
--
-
--
--
-
--
www.rohm.com
© 2017 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
2/21
SZ02201-0F1F0A200260-1-2
17.Apr.2017.Rev.002


Part Number BM2P129TF
Description DC/DC converter
Maker ROHM
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BM2P129TF Datasheet PDF






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