20381 Barents Sea Circle

Lake Forest, California 92630

Phone:

(949) 452-0511

Fax:

(949) 452-0512

M

P

Premier

Magnetics Inc.

Specifications subject to change without notice.

13

1.0 to 2.25 WATT DIP DC/DC CONVERTERS

FEATURES

!

1 to 2.25 Watt

"

Regulated & Unregulated Models

#

Short Circuit Protection

$

24-Pin DIP Package

GENERAL SPECIFICATIONS

%

Efficiency (unregulated) ................... 70%

%

Efficiency (regulated) ....................... 50%

%

Switching Frequency ............. 20KHz min.

%

Isolation Voltage ................ 500Vdc min.

%

INPUT SPECIFICATIONS

%

Voltage .................................... 5 or 12Vdc

%

Voltage Range .................................. ±10%

%

Input Filter ................................. Pi Network

OUTPUT SPECIFICATIONS

%

Voltage ........................................... 9.0Vdc

%

Voltage Accuracy ............................... ±5%

%

Ripple & Noise 20MHz BW ........ 100mV p-p

%

Load Regulation (unregulated)........... ±6%

%

Load Regulation (regulated).............. ±.5%

B2AU050920

5

9

200

NO

100

575

B2AU050921(*)

5

9

200

NO

100

575

B2AU050925

5

9

250

NO

100

625

B2AU120920

12

9

200

NO

40

200

B2AU120925

12

9

250

NO

40

250

B2AR050920

5

9

200

YES

120

720

B2AR050925

5

9

250

YES

120

750

B2AR120920

12

9

200

YES

50

320

B2AR120925

12

9

250

YES

50

350

PART

NUMBER

INPUT

VOLTAGE

(Vdc)

OUTPUT

VOLTAGE

(Vdc)

OUTPUT

CURRENT

(mA max.)

REGULATED

OUTPUT

INPUT CURRENT (mA typ.)

NO LOAD

FULL LOAD

SCHEMATIC DIAGRAM

PHYSICAL DIMENSIONS .... DIMENSIONS IN INCHES (mm)

810

9

11

12

13

2

56

7

+Vin

15

16

14

13

17

18

19

20

21

22

23

24

+Vin

-Vout

-Vout

+Vout

+Vout

-Vin

-Vin

DC to DC CONVERTER

1.280

(32.51)

MAX.

.180

(4.57)

TYP.

.030 (.51)

.010 (.25)

.125

(3.18)

MIN.

.100

(2.54)

TYP.

.475

(12.07)

MAX.

.585

(14.86)

MAX.

.600

(15.24)

.635

(16.13)

MAX.

.010

(0.25)

TYP.

.008 R

(0.20)

TYP.

.020

(0.51)

TYP.

.050

(1.27)

TYP.

NOTE: (*) B2AU050921: MAY USING B2AU050920 AND REMOVE PIN #2-9, 16-23.