DATEL PRELIMINARY Technical data

E

®

®

PRELIMINARY

Features

■

Regulated 3.3V output @ 30 Amps

■

Input range: 36V-75V

■

Open frame: 2.3" x 2.4" x 0.47"

■

Industry-standard package/pinout

■

Light weight: 2.24 ounces (63.5g)

■

Remose sense, Trim, On/Off Control

■

High effi ciency: 89%

■

Fully isolated, 1500Vdc guaranteed

■

Input under and overvoltage shutdown

■

Output overvoltage protection

■

Short circuit protection; thermal shutdown

■

UL1950 and EN60950 safety approvals

■

CE mark

INNOVATION and EX C ELL E N C

Single Output

UHP Models

3.3 Volts @ 30 Amps

100 Watt, DC/DC Converters

DATEL's fully isolated UHP series of DC/DC converters affords users a practical

solution for their low-voltage/high-current applications. With an input voltage range of
36 to 75 Volts, the UHP-3.3/30-D48 delivers 30 Amps of output current from a fully
regulated 3.3V output. Using both surface-mount technology and planar magnetics,
these converters are manufactured on a 2.3" x 2.4" open-frame package with an
industry-standard pinout confi guration.

UHP converters utilize a full-bridge, fi xed-frequency topology along with syn-
chronous output rectifi cation to achieve a high effi ciency of 89%. This effi ciency,
coupled with the open-frame package that allows unrestricted air fl ow , reduces
internal component temperatures thereby allowing operation at elevated ambient
temperatures.

These DC/DC's provide output trim, sense pins and primary side on/off control
(available with positive or negative logic) or sync. Standard features also include
input overvoltage and undervoltage shutdown circuitry, output overvoltage protec­tion, output short-circuit and current limiting protection and thermal shutdown. All
devices meet IEC950, UL1950 and EN60950 safety standards and carry the CE
mark (meet LVD) requirements). CB reports are available on request.

+INPUT

+3.3V OUTPUT

OUTPUT
RETURN

SECONDARY

SWITCH

CONTROL

PRIMARY

SWITCH

CONTROL

–INPUT

PWM

CONTROLLER

UV & OV

COMPARATORS

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

THERMAL

SHUTDOWN

Figure 1. Simplifi ed Schematic

OPTO

ISOLATION

REFERENCE &

ERROR AMP

+SENSE

–SENSE

XHP Series

3.3V @ 30A, SINGLE OUTPUT DC/DC CONVERTERS

Performance Specifi cations and Ordering Guide

V

OUT IOUT ➁ VIN Nom. Range IIN ➃ (Case,

Output

R/N (mVp-p) ➁ Regulation (Max.) Effi ciency

➀

Input

Packag e

Model (Volts) (Amps) Typ. Max. Line Load ➂ (Volts) (Volts) (mA) Min. Typ. Pinout)

UHP-3.3/30-D48 3.3 30 80 120 ±1% ±1% 48 36-75 120/2340 86.5 88% C27, P17

➀ Typical at TA = +25°C under nominal line voltage and full-load conditions.
➁ Ripple/Noise (R/N) measured over a 20MHz bandwidth with 10µFtantalum and 1µF ceramic output capacitors.

➂ Tested from no load to 100% load.
➃ Nominal line voltage, no load/full load condition.

PART NUMBER STRUCTURE

UHP

Unipolar
High-Power Series

Nominal Output Voltage:

3.3 Volts

Maximum Output Current:

30 Amps

3.3

N

/

D48

30-

-

Add "N" or "S" suffi x as desired

Input Voltage Range:
D48 = 36-75 Volts (48V nominal)

Part Number Suffi xes

UHP 30 Amp DC/DC's are designed so a negative logic

on/off control ("N" suffi x) or a Sync function ("S" suffi x) can be

added in the pin 3 position.

No Suffi x On/Off Control function (positive polarity)

N Negative polarity on/off control

S Sync function

MECHANICAL SPECIFI CATIONS

0.39

(9.91)

STANDOFF WIDTH

0.120 MIN.
(3.05)

0.056 (1.42)

1

Case C27

3

4

BOTTOM VIEW

2.30

(58.42)

1.900

(48.26)

PIN DIAMETERS:

PINS 1-4, 6-8 0.040 ±0.002 (1.016 ±0.051)
PINS 5, 9 0.080 ±0.002 (2.032 ±0.051)

0.20

(5.08)

I/O Connections

Pin Function P17

1 –Input

2 No Pin

3 On/Off Control

4 +Input

9

8

2.40

7

6

5

0.400

(10.16)

0.700

(17.78)

0.50

(12.70)

1.000

(25.40)

1.400

(35.56)

(60.96)

5 +Output

6 +Sense

7 Trim

8 –Sense

9 –Output

2