bcp50w Murata Manufacturing Co., Ltd, bcp50w Datasheet - Page 7

• Manufacturer Part Number: bcp50w
• Description: 50 Watt Dc/dc Converters
• Manufacturer: Murata Manufacturing Co., Ltd

Output Trimming
Both the 3.3V and 2.5V outputs of the BCP Series can be independently
trimmed via a trimpot (Figure 3A) or a single fi xed resistor as shown (Figures 3B
& 3C). The trimpot can be used to determine the value of a single fi xed resistor.
A single fi xed resistor can increase or decrease the output voltage depend-
ing on its connection. Fixed resistors should have absolute TCR’s less than
100ppm/°C to ensure stability
to the appropriate Return (pin 6 for 3.3V trim, pin 9 for 2.5V trim) will increase
the output voltage.
Murata Power Solutions, Inc.
11 Cabot Boulevard, Mansfi eld, MA 02048-1151 U.S.A.
Tel: [phone] [phone] Fax: [phone]
www.murata-ps.com email: [e-mail] ISO 9001 and 14001 REGISTERED
Murata Power Solutions, Inc. makes no representation that the use of its products in the circuits described herein, or the use of other
technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein do not imply
the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifi cations are subject to change without
notice.
A resistor connected from the Trim Pin (pin 5 for 3.3V trim, pin 8 for 2.5V trim)
1
4
–INPUT
+INPUT
Figure 3A. Trim Connections Using a Trimpot
+2.5V OUTPUT
+3.3V OUTPUT
2.5V RETURN
3.3V RETURN
2.5V TRIM
3.3V TRIM
10
8
9
7
5
6
TURNS
TURNS
20kΩ
20kΩ
5-22
5-22
www.murata-ps.com
© 2009 Murata Power Solutions, Inc.
+2.5V
LOAD
+3.3V
LOAD
03/09/09
2.5V trim) to its appropriate +Output (pin 7 for 3.3V trim, pin 10 for 2.5V trim)
will decrease the output voltage.
USA:
Canada:
UK:
France:
Germany:
Japan:
China:
Singapore:
A single resistor connected from the Trim Pin (pin 5 for 3.3V trim, pin 8 for
Figure 3C. Decrease Output Voltage Trim Connections Using a Fixed Resistor
Figure 3B. Increase Output Voltage Trim Connections Using a Fixed Resistor
1
4
1
4
Mansfi eld (MA), Tel: [phone], email: [e-mail]
Toronto, Tel: [phone], email: [e-mail]
Milton Keynes, Tel: [phone], email: [e-mail]
Montigny Le Bretonneux, Tel: [phone], email: [e-mail]
München, Tel: [phone], email: [e-mail]
Tokyo, Tel: [phone], email: [e-mail]
Osaka, Tel: [phone], email: [e-mail]
Shanghai, Tel: [phone], email: [e-mail]
Guangzhou, Tel: [phone], email: [e-mail]
Parkway Centre, Tel: [phone], email: [e-mail]
–INPUT
+INPUT
–INPUT
+INPUT
Dual Output BCP Models
Technical enquiries email: [e-mail], tel:
+2.5V OUTPUT
+3.3V OUTPUT
+2.5V OUTPUT
+3.3V OUTPUT
2.5V RETURN
3.3V RETURN
2.5V RETURN
3.3V RETURN
2.5V TRIM
3.3V TRIM
2.5V TRIM
3.3V TRIM
50 Watt DC/DC Converters
10
10
8
9
7
5
6
8
9
7
5
6
3.3 and 2.5V, Half-Brick
MDC_BCP Models.B03 Page 7 of 7
DOWN
DOWN
+2.5V
+3.3V
+2.5V
+3.3V
TRIM
TRIM
TRIM
TRIM
UP
UP
+2.5V
LOAD
+3.3V
+2.5V
LOAD
+3.3V
LOAD
LOAD
[phone]