UM1502 datasheet, PDF - EEWORLD Datasheet

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UM1502: DescriptionUM1500 SERIES, 15 to 20 Watt DC-DC Converters; File Size288KB，3 Pages; ManufacturerETC1

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UM1502 Overview

UM1500 SERIES, 15 to 20 Watt DC-DC Converters

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UM1500 SERIES

15 to 20 Watt DC-DC Converters

♦

Surface Mount Technology

♦

Efficiency 82%

♦

Wide Input Range

♦

10.2 Watt/Cubic Inch

♦

Remote On/Off Control

♦

Low Profile

SPECIFICATIONS

All specifications are typical at nominal line, full load and

25°C unless otherwise noted.

GENERAL SPECIFICATIONS

Remote On/Off Control ………………………….. See Below

Efficiency ….………….…………………..…..….… See Table

Isolation Voltage ………………..………..…… 500 VDC min.

Isolation Resistance ..………………………... 10 ohms min.

Switching Frequency

Single/Dual …………….……………………..... 330KHz typ.

Triple ……………….…….…………………..… 200KHz typ.

Operating Temperature Range,

Ambient, 15W,None Derating ……..…....… -40°C to +71°C

20W, None Derating …..……...… -40°C to +60°C

Cooling …..………………..…………..... Free Air Convection

Storage Temperature Range …………..…. -55°C to +105°C

Dimensions Case J ……..……………... 2.0x1.6x0.46 Inches

(50.8x40.6x11.7 mm)

Case Material ………………..…. Black Coated Copper With

Non-Conductive Base

Weight ………………………………………..……………. 50g

INPUT SPECIFICATIONS

Input Voltage Range,

15W …………………….…..… 48V Nominal, 18-72 VDC

20W ………………………..…. 24V Nominal, 18-36 VDC

48V Nominal, 36-72 VDC

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

OUTPUT SPECIFICATIONS

Voltage Accuracy, Single Output ……………….…±1% max.

Dual,+Output ……....……...…. ±1% max.

-Output ……………...…. ±2% max.

Triple, 5V ……...……………… ±1% max.

±12V/15V ………...……. ±3% max.

Voltage Balance, Dual Output at Full Load

…………………..………………………………. ±2.0% max.

Transient Response,

Single, Dual , 25% Step Load Change,

±1% Error Band ………………………….…..…. <500u sec.

External Trim Adj. Range ……….……………..………. +10%

Ripple and Noise , 20MHz BW ……..…… 15mV RMS max.

75mV P-P max.

Temperature Coefficient …..…….…....… ±0.02％/°C max.

Short Circuit Protection ……………………..…… Continuous

Overvoltage Protection Trip Point ( Zener Clamp Type )

5V …………………………………………....………… 6.8V

12V ……………………………..………………………... 15V

15V ………………………………..……….…………….. 18V

Line Regulation , Single/Dual Output …..…..…. ±0.5% max.

Triple Output ……………….……. 1% max.

Load Regulation ,Single Output ….....….…....... ±0.5% max.

Dual Output ……….……….….. ±1% max.

Triple Output +5V …….…….… ±1% max.

Auxiliaries ..…… ±5% max.

NOTES:

1. Measured with 3.3uF/25V tantalum capacitor across

each output for triple output models,0.1uF ceramic

capacitor across each output for single and dual output

models.

2. Measured from high line to low line.

3. Measured from full load to specified load with all other

outputs at rated load: singe: full load to 1/4 load; dual

outputs loaded balanced from full load to 1/2 load, triple:

full load to 1/10 load.

REMOTE ON/OFF CONTROL

Control Input …………………………………..…... Pin 1

Control Common ……………………………….…. Pin 3

Logic Compatibility………….……….………………….

……………………… CMOS or Open Collector TTL

Control Voltage……………………………………………

On ………….………..…. >+2.5 VDC or Open Circuit

Off ………..………... < +0.8 VDC or Jumper to Pin 3

Converter Shutdown Idle Current ……………… 10 mA

UMEC

INTERNATIONAL

UM1500

1 OF 2

32539

W. 237TH STREET, SUITE A

TORRANCE,

CA 90505

TEL:

(310) 326-7072

FAX:

(310) 326-7058

REV.4

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