UM423T datasheet, PDF - EEWORLD Datasheet

Datasheet> All Categories > Analog mixed-signal IC> The signal circuit> UM423T

UM423T: DescriptionAnalog Circuit; CategoryAnalog mixed-signal IC The signal circuit; File Size70KB，2 Pages; ManufacturerUniversal Microelectronics Co., Ltd.

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UM423T Overview

Analog Circuit

UM423T Parametric

Parameter Name	Attribute value
package instruction	,
Reach Compliance Code	unknown
Base Number Matches	1

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UM400 SERIES

5 to 6 Watt DC/DC Converters

■

High Performance

Regulated Outputs

Pi Input Filter

60% Efficiency

Six-Sided Shield

SPECIFICATIONS

All specifications are typical at nominal line, full load and

25°C unless otherwise noted.

GENERAL SPECIFICATIONS

Efficiency ……….………………….………..………..…… 60%

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

Isolation Capacitance ……………………….…………... 80pF

Isolation Resistance …..………………..….…. 10

ohms min.

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

Operating Temperature Range

Ambient, None Derating ……….………… -25°C to +71°C

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

Storage Temperature Range ………….…. –40°C to +100°C

EMI/RFI

……………..……….. Six-Sided Continuous Shield

Dimensions …………………………….……… 2*2*0.4 inches

(50.8*50.8*10.2mm)

Case Material

Standard Models …..……… Non-Conductive Black Plastic

UL94V-0

Suffix ”M” Models …………….... Black-Coated Copper with

Non-Conductive Base

Weight ……………………..………………………………. 46g

Input Voltage

12V

24V

28V

48V

60% FL

4.4-6.5V

80% FL

4.5-6.0V

100% FL

4.65-5.5V

INPUT SPECIFICATIONS

Input Voltage Range …..…………………….…..… See Table

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

OUTPUT SPECIFICATIONS

Voltage Accuracy …………………….……...… ±1.0% max.

Voltage Balance, Dual Output ……..…………..…… ±0.5%

Temperature Coefficient

Single Output ……...……………………….….. ±0.02%/°C

Dual Output ……...…………………………..… ±0.01%/°C

Ripple and Noise

, 20MHz BW

Single Output ……...………………….…… 50mV P-P max.

Dual Output ……...……………………….… 35mV P-P max.

Short Circuit Protection ………………….....…. Current Limit

Line Regulation ………………………………..……. ±0.02%

Load Regulation ……………………………....……. ±0.2%

10.56-15.6V 10.8-14.4V 11.16-13.2V

21.12-31.2V 21.6-28.8V 22.32-26.4V

24.64-36.4V 25.2-33.6V 26.04-30.8V

42.24-62.4V 43.2-57.6V 44.64-52.8V

NOTE:

1. Measured with 0.1uF ceramic capacitor connected to the

output pins.

2. Metal case only.

UNIVERSAL

MICROELECTRONICS

UM400

OF 2

3,27TH RD., TAICHUNG INDUSTRIAL PARK,

TAICHUNG, TAIWAN, R.O.C.

TEL: 886-4-23590096 FAX: 886-4-23590129

REV. 4

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