Datasheet > UM1523

UM1523

更新时间： 2024-10-14 08:24:23

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描述
UM1500 SERIES, 15 to 20 Watt DC-DC Converters

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UM1523 数据手册

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

GENERAL SPECIFICATIONS

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

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

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

Isolation Resistance ..………………………... 10⁸ohms 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)

All specifications are typical at nominal line, full load and

25°C unless otherwise noted.

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.

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

Non-Conductive Base

Weight ………………………………………..……………. 50g

Triple, 5V ……...……………… ±1% max.

±12V/15V ………...……. ±3% max.

Voltage Balance, Dual Output at Full Load

…………………..………………………………. ±2.0% max.

Transient Response,

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.

Single, Dual , 25% Step Load Change,

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

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

Ripple and Noise , 20MHz BW¹……..…… 15mV RMS max.

75mV P-P max.

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.

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 Regulation², Single/Dual Output …..…..…. ±0.5% max.

Triple Output ……………….……. 1% max.

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

Load Regulation³,Single Output ….....….…....... ±0.5% max.

Dual Output ……….……….….. ±1% max.

Triple Output +5V …….…….… ±1% max.

Auxiliaries ..…… ±5% max.

32539 W. 237TH STREET, SUITE A

TORRANCE, CA 90505

UMEC

TEL: (310) 326-7072 FAX: (310) 326-7058

INTERNATIONAL

UM1500

1 OF 2

REV.4

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