DFC10U48D5 [POWER-ONE]

DUAL OUTPUT; 双输出


型号：	DFC10U48D5
厂家：	POWER-ONE
描述：	DUAL OUTPUT 双输出输出元件
文件：	总3页 (文件大小：882K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

DFC10 SERIES

DUAL OUTPUT

FEATURES

DESCRIPTION

• High Power Density, up to 11 Watts per Cubic Inch

The dual output DFC10 Series provides power solutions to meet

commercial and industrial requirements. With power densities

• Efficiencies to 79%

• Fully Isolated, Fully Filtered Design

• Greater than 700V Isolation

• Overcurrent Protection

above 11 watts per cubic inch (0.67 watts per cm ), overcurrent

protection, and five sided shielded case, the DFC10 meets rigorous

needs in an industry standard case size. The 120KHz operating

frequency of the DFC10 Series allows an increased power density

while including adequate heat sinking and input/output filtering.

This eliminates the need for external components in most

applications. Full overload protection is provided by pulse-by-pulse

current limiting on models with 48V input.

• Five-Side Shielded Copper Case

• Ultra Wide Range Input (4:1)

BOTTOM VIEW

2.02

(51.31)

SIDE VIEW

0.040 (1.02)

DIA TYP

0.300

(7.62)

0.000

0.100

(2.54)

0.200

(5.08)

1.02

(25.91)

0.500

(12.70)

0.61

(15.5)

Mechanical tolerances unless otherwise noted:

X.XX dimensions: 0.03 inches

X.XXX dimensions: 0.005 inches

NOTES

(1) All parameters measured at Tc = 25°C, nominal input voltage and full rated load unless otherwise noted.

Refer to the Technical Reference Section for the definition of terms, measurement circuits and other

information.

(2) Case is tied to the COMMON output pin.

(3) The functional temperature range is intended to give an additional data point for use in evaluating this

power supply. At the low functional temperature the power supply will function with no side effects,

however, sustained operation at the high functional temperature will reduce expected operational life.

The data sheet specifications are not guaranteed beyond the case operating range.

(4) The case thermal impedance is specified as the case temperature rise over ambient per package watt

dissipated.

NUCLEAR AND MEDICAL APPLICATIONS Power-One products are not authorized for use as critical components in life support systems, equipment used in hazardous environments,

or nuclear control systems without the express written consent of the President of Power-One, Inc.

TECHNICAL REVISIONS The appearance of products, including safety agency certifications pictured on labels, may change depending on the date manufactured. Specifications are

subject to change without notice.

Rev. 04/2000

DFC10 SERIES – DUAL OUTPUT

NOTES

DFC10 SERIES APPLICATION NOTES:

(1) All parameters measured at Tc = 25°C, nominal input voltage and full rated load unless otherwise

noted. Refer to the Technical Reference Section for the definition of terms, measurement circuits

and other information.

External Capacitance Requirements

No external capacitance is required for operation of the DFC10

Series. If a capacitive input source is farther than 1” from the

converter, an additional capacitor may be required at the input

pins for proper operation. This input capacitor should have an

ESR greater than 0.25 ohms. Input capacitors with an ESR less

than 0.25 ohms may cause peaking of the input filter and actually

degrade circuit performance.

(2) Noise is measured per Technical Reference Section. Measurement bandwidth is 0-20 MHz. RMS

noise is measured over a 0.01-1 MHz bandwidth. To simulate standard PCB decoupling practices,

output noise is measured with a 10µf tantalum and 0.01µF ceramic capacitor located 1 inch away

from the converter.

(3) The converter may be safely operated at any load from zero to the full rating. Dynamic response of

the converter may degrade if the converter is operated with less than 25% output load.

(4) Load regulation is defined for loading/unloading both outputs simultaneously. Load range is 25 to

100%.

(5) Cross regulation is defined for loading/unloading one output while the other output is kept at

full load. Load range is 25 to 100%.

(6) Short term stability is specified after

a 30 minute warmup at full load, constant line and

External output capacitance is not required for operation,

however it is recommended that 1ꢀF to 10ꢀF of tantalum and

0.001 to 0.1ꢀF ceramic capacitance be selected for reduced system

noise. Additional output capacitance may be added for increased

filtering, but should not exceed 400ꢀF.

recording the drift over 24 hour period.

DFC10 SERIES – DUAL OUTPUT

DFC10 SERIES BLOCK DIAGRAM

OUTPUT POWER DERATING

SHIELDED ISOLATION TRANSFORMER

+ OUTPUT

CMN

+ INPUT

– INPUT

– OUTPUT

CURRENT

MODE

PWM

–

LOW DRIFT

BANDGAP REFERENCE

FIVE SIDED SHIELDED COPPER CASE

100

AMBIENT TEMPERATURE

EFFICIENCY Vs. LOAD

INPUT CURRENT Vs. INPUT VOLTAGE

24 Volt Input

Typical Performance:

(Tc=25°C, Vin=Nom VDC,

Rated Load)

2.5

2.0

LINE = 9VDC

1.5

1.0

0.5

0.0

100% LOAD

50% LOAD

LINE = 24VDC

LINE = 36VDC

10 20 30 40 50 60 70 80 90 100

LOAD (%)

LINE INPUT (VOLTS)

RMS INPUT CURRENT Vs. LINE INPUT

EFFICIENCY Vs. LINE INPUT VOLTAGE

1.0

0.8

100% LOAD

50% FULL LOAD

100% FULL LOAD

0.6

0.4

75% LOAD

50% LOAD

0.2

0.0

LINE INPUT (VDC)

LINE INPUT (VOLTS)

EFFICIENCY Vs. LOAD

INPUT CURRENT Vs. INPUT VOLTAGE

1.0

0.8

48 Volt Input

Typical Performance:

(Tc=25°C, Vin=Nom VDC,

Rated Load)

LINE = 18VDC

LINE = 48VDC

0.6

0.4

0.2

0.0

100% LOAD

50% LOAD

LINE = 72VDC

10 20 30 40 50 60 70 80 90 100

LOAD (%)

LINE INPUT (VOLTS)

EFFICIENCY Vs. LINE INPUT VOLTAGE

RMS INPUT CURRENT Vs. LINE INPUT

0.8

100% LOAD

0.6

0.4

0.2

0.0

75% LOAD

50% LOAD

50% FULL LOAD

100% FULL LOAD

LINE INPUT (VOLTS)

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