bcp-3.3-2.5 C&D Technologies., bcp-3.3-2.5 Datasheet

bcp-3.3-2.5

Manufacturer Part Number

bcp-3.3-2.5

Description

3.3v And 2.5v, Half-brick 50 Watt, Dc/dc Converters

Manufacturer

C&D Technologies.

Datasheet

1.BCP-3.3-2.5.pdf (6 pages)

Current page: 1 of 6
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P O W E R E L E C T R O N I C S D I V I S I O N

Features

■

CONTROL

ON/OFF

Independent 3.3V and 2.5V outputs

Up to 15 Amps per output

Each output fully regulated

No minimum load requirements

50 Watts total output power

Standard "half-brick" package

UL1950 and IEC/EN60950 safety

approvals (BASIC insulation)

Fully isolated, 1500Vdc guaranteed

18-36V or 36-75V input ranges

Input under and overvoltage shutdown

Continuous short-circuit protection

Thermal shutdown

+INPUT

–INPUT

(3)

(4)

(1)

mark available (75V-input models)

www.cd4power.com/rohs

For full details go to

COMPARATORS

UV & OV

2.5V DC/DC converters. The BCP-3.3/15-2.5/15-D24 (18-36V input) and BCP-3.3/15-

2.5/15-D48 (36-75V input) are fully isolated DC/DC converters housed in standard

"half-brick" packages (2.3" x 2.4" x 0.5"). These BCP’s can support any combination

of 3.3V and 2.5V loading up to a combined total of 15 Amps. Both outputs are fully

isolated (1500Vdc) and independently line (±0.2%) and load (±0.5%) regulated.

down, input reverse-polarity protection, output overvoltage protection, current limiting,

and thermal shutdown. Each has an on/off control function (positive and negative

logic versions available), and both output voltages can be trimmed independently.

speciﬁed for –40 to +100°C operation. Utilization of metal baseplate technology with

threaded inserts permits easy heat-sink attachment and/or pcb mounting. These

devices meet UL1950 and IEC/EN60950 safety standards, including BASIC insula-

tion requirements. CB reports are available on request. "D48" models are CE marked

(meet the requirements of LVD).

CONTROLLER

SHUTDOWN

DATEL's BCP "half-brick" series has expanded to include dual-output, 3.3V and

Both BCP models feature input pi ﬁlters, input undervoltage and overvoltage shut-

BCP Model DC/DC’s deliver low noise (50mVp-p), efﬁciency of 84% and are fully

THERMAL

PWM

CONTROL

SWITCH

REGULATOR

ISOLATION

OPTO

Mixed Voltage, BCP Models

50 Watt, DC/DC Converters

Figure 1. Simpliﬁed Schematic

3.3V and 2.5V, "Half-Brick"

& ERROR AMP

REFERENCE

Dual Output

D C / D C C O N V E R T E R S

MDC_BCP50W_A01

Typical topology is shown

+3.3V OUTPUT

3.3V RETURN

+2.5V OUTPUT

2.5V RETURN

2.5V TRIM

3.3V TRIM

(8)

(5)

(6)

(10)

(9)

(7)

Page 1 of 6

Related parts for bcp-3.3-2.5

bcp-3.3-2.5 Summary of contents

Page 1

... Each has an on/off control function (positive and negative logic versions available), and both output voltages can be trimmed independently. BCP Model DC/DC’s deliver low noise (50mVp-p), efﬁciency of 84% and are fully speciﬁed for –40 to +100°C operation. Utilization of metal baseplate technology with threaded inserts permits easy heat-sink attachment and/or pcb mounting ...

Page 2

... Optional Functions BCP 50 Watt DC/DC's are designed with an On/Off Control function, with either positive polarity (no sufﬁx) or negative polarity ("N"sufﬁx), in the pin 3 position. Blank On/Off Control function (positive polarity) on pin 3 N On/Off Control function (negative polarity) on pin 3 L1 Pin length: 0.110 inches (2.79mm) ± ...

Page 3

... Lead Temperature (Soldering, 10 sec.) These are stress ratings. Exposure of devices to any of these conditions may adversely affect long-term reliability. Proper operation under conditions other than those listed in the Performance/Functional Speciﬁcations Table is not implied, nor recommended. BCP Models Dynamic Characteristics ) 300µsec maximum ...

Page 4

... 3.3V & 2.5V Outputs/Returns The BCP Series outputs (pins 7 & 10) and returns (pins 6 & 9) are isolated from the +V and –V inputs (pins 4 & 1) via a transformer and opto-coupled ...

Page 5

... This new heat sink (HS-CPLP2) is designed with radiant ﬁns that extend 0.51" beyond either side of the 2.4" dimension of the BCP package. The convenience of this design is that the ﬁnned extensions protrude only 0.31" below the top surface of the DC/DC converter, allowing components with a proﬁ ...

Page 6

... Output Trimming Both the 3.3V and 2.5V outputs of the BCP Series can be independently trimmed via a trimpot (Figure 3A single ﬁxed resistor as shown (Figures 3B & 3C). The trimpot can be used to determine the value of a single ﬁxed resistor. A single ﬁ ...

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