DATEL BST-5-250-D48, BST-5-250-D12, BST-15-85-D5, BST-15-100-D48, BST-15-100-D12 Datasheet

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INNOVATION and EX C ELL E N C

E

®

®

Dual Output

BST Models

+V

IN

V

IN

+V

OUT

V

OUT

COM M ON

REFERENCE &

ERR OR AM P

OPTO

IS O L A T IO N

PW M

CONTROLLER

Figure 1. Simplified Schematic

Low-Cost, High-Reliability

3 Watt, DC/DC Converters

Features

Lowest cost! Highest reliability!
100% SMT-on-pcb, including magnetics
100% automatically assembled
Standard "DIP" package and pinouts
Fully isolated, 1000Vdc guaranteed
±5, ±12 or ±15 Volt outputs
Choice of 3 wide-range inputs:

4.5-9 Volts
9-18 Volts
18-72 Volts

Guaranteed efficiencies to 75%
–40 to +75°C full-power operation
Internal input/output filtering
UL1950/C22.2 No. 950/IEC950 certified
Modifications and customs for OEM’s

DATEL, Inc., Mansfield, MA 02048 (USA) • Tel: [phone] Fax: [phone] • Email: [e-mail] • Internet: www.datel.com

www.datel.co

m

Rarely, has a Series of low-power DC/DC converters been defined by both low
cost and DATEL's made-in-the-USA quality and reliability. Our new BST Series of
dual-output 3W DC/DC’s achieves this "best-of-both-worlds" status by implementing
a proven circuit architecture (170-200kHz flyback design) as a full, SMT-on-pcb
assembly (including surface-mount magnetics) that is truly 100% automatically
assembled. Packaged in miniature 1.25" x 0.8", DIP-like plastic packages (UL94V-0
rated) and requiring no external components, BST Series DC/DC’s bring true
component-like convenience to designers of today’s distributed power systems.

Output voltages are ±5, ±12 or ±15 Volts. Input voltage ranges are 4.5-9V
("D5" models), 9-18V ("D12" models) or an ultra-wide 18-72V ("D48" models). BST
DC/DC’s are fully isolated (1000Vdc guaranteed) and include input (pi type) and
output filters within their package. Output transient response is a quick 200µsec,
while output ripple and noise are typically 75mVp-p.

These rugged modules are fully encapsulated with a thermally conductive
potting compound that contributes to their outstanding moisture/vibration resistance
and impressive MTBF. They operate over the full –40 to +75°C temperature range
without derating. All models have been thoroughly characterized (electrically,
mechanically and thermally), qualified (including HALT), and EMI/EMC tested.
Additionally, they are certified to UL1950, CSA 22.2 No. 950 and IEC950.

DATEL’s BST Model 3W DC/DC’s are excellent selections for telecom/datacom,
computer and process-control applications demanding small size, low cost and high
reliability . If required, their design "flexibility" allows for easy modification to your
application-specific requirements.

0.020 ±0.002 DIA.
(0.508 ±0.051)

0.15 MIN
(3.81)

0.45

(11.43)

1.25

(31.75)

0.200
(5.08)

0.10

(2.54)

0.80

(20.32)

0.600

(15.24)

0.100
(2.54)

0.18

(4.57)

STANDOFFS

0.025
(0.64)

0.600

(15.24)

BOTTOM VIEW

1

2

34

56

87

PLASTIC CASE WITH AN INSULATED BASE

XST Series

3W, DUAL OUTPUT DC/DC CONVERTERS

2

Mechanical Specifications

➀

Typical at TA = +25°C under nominal line voltage and full-load conditions unless otherwise noted.

➁

Ripple/Noise (R/N) measured over a 20MHz bandwidth.

➂

Balanced loads, 10% to 100% load.

➃

Nominal line voltage, no-load/full-load conditions.

BST-5/250-D12 ±5 ±250 75 120 ±0.5% ±0.5% 12 9-18 25/267 75% 78% C1, P2
BST-5/250-D48 ±5 ±250 75 120 ±0.5% ±0.5% 48 18-72 7/69 72% 76% C1, P2
BST-12/105-D5 ±12 ±105 75 150 ±0.5% ±0.5% 5 4.5-9 60/690 71% 73% C1, P2
BST-12/125-D12 ±12 ±125 75 150 ±0.5% ±0.5% 12 9-18 25/329 74% 76% C1, P2
BST-12/125-D48 ±12 ±125 75 150 ±0.5% ±0.5% 48 18-72 8/81 73% 77% C1, P2
BST-15/85-D5 ±15 ±85 75 150 ±0.5% ±0.5% 5 4.5-9 68/689 72% 74% C1, P2
BST-15/100-D12 ±15 ±100 75 150 ±0.5% ±0.5% 12 9-18 25/329 74% 76% C1, P2
BST-15/100-D48 ±15 ±100 75 150 ±0.5% ±0.5% 48 18-72 8/81 73% 77% C1, P2

Performance Specifications and Ordering Guide

R/N (mVp-p)

➁

Load

➂

VOUT

(Volts)

Output

Package

(Case,

Pinout)

Efficiency

Regulation (Max.)

Line

VIN Nom.

(Volts)

Range
(Volts)Model

Input

IIN ➃

(mA)

➀

Max.

Typ.

Typ.

Min.

IOUT

(mA, Max.)

PART NUMBER STRUCTURE

MECHANICAL SPECIFICATIONS

Input Voltage Range:

D5 = 4.5-9 Volts (5V nominal)
D12 = 9-18 Volts (12V nominal)
D48 = 18-72 Volts (48V nominal)

Nominal Output Voltages:

±5, ±12 or ±15 Volts

Maximum Output Current

in mA from each output

Product Series

Output Configuration:

B = Bipolar

15B ST 100 D48-/

-

Case C1

Pin

1
2
3
4
5
6
7
8

I/O Connectiions

Function P2

+Input
+Input

–Input
–Input

Common

+Output

Common

–Output