ZFW48D12-1250R datasheet, PDF - EEWORLD Datasheet

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ZFW48D12-1250R: DescriptionAnalog Circuit,; CategoryPower/power management The power supply circuit; File Size233KB，4 Pages; ManufacturerWall Industries,Inc.; Websitehttps://www.wallindustries.com/

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ZFW48D12-1250R Overview

Analog Circuit,

ZFW48D12-1250R Parametric

Parameter Name	Attribute value
Maker	Wall Industries,Inc.
Reach Compliance Code	compliant
Analog Integrated Circuits - Other Types	DC-DC REGULATED POWER SUPPLY MODULE
Base Number Matches	1

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ZFW Series

Rev B

Single and Dual Outputs

30 Watt DC/DC Converter

4:1 Wide Input Voltage Range

FEATURES

●

Output Current up to 8A

●

High Efficiency up to 88%

●

Fixed Switching Frequency

●

Six-Sided Continuous Shield

●

4:1 Wide Input Voltage Range

●

30 Watts Maximum Output Power

●

Single and Dual Outputs Available

●

Standard 2.0” x 1.6” x 0.4” Package

APPLICATIONS

●

Wireless Network

●

Telecom/Datacom

●

Industry Control System

●

Measurement Equipment

●

Semiconductor Equipment

SPECIFICATIONS:

ZFW Series

All specifications apply @ 25°C ambient unless otherwise noted

INPUT SPECIFICATIONS

Input Voltage Range .................... 24V nominal input ................ 10-40VDC

48V nominal input ................ 18-75VDC

Start-Up Voltage .......................... 24VDC input ..............................10VDC

48VDC input ..............................18VDC

Shutdown Voltage........................ 24VDC input ................................8VDC

48VDC input ..............................16VDC

Input Filter (See Note 2)............................................................... L-C Type

Input Voltage Variation ................ dv/dt ................................... 5V/ms max.

(Complies with ETS300 132 part 4.4)

Input Surge Voltage (100ms max) ........... 24V input .......................50VDC

48V input .....................100VDC

Input Reflected Ripple Current (nominal Vin and full load) ...........20mAp-p

Start Up Time (nominal Vin and constant resistive load)

Power Up................................................................................10ms typ.

Remote ON/OFF ....................................................................10ms typ.

Remote ON/OFF (See Note 6)

(Positive Logic)............... DC-DC ON ................Open or 3V < Vr < 12V

DC-DC OFF .............Short or 0V < Vr < 1.2V

(Negative Logic) ............. DC-DC ON ...............Short or 0V < Vr < 1.2V

DC-DC OFF ..............Open or 3V < Vr < 12V

Input Current of Remote Control pin (nominal Vin)......... -0.5mA ~ +0.5mA

Remote Off Input Current (nominal Vin) ..............................................3mA

PROTECTION SPECIFICATIONS

Over Voltage Protection ................................... 1.5V Output................. 3.9V

Zener diode clamp

1.8V Output................. 3.9V

2.5V Output................. 3.9V

3.3V Output................. 3.9V

5V Output.................... 6.2V

12V Output................... 15V

15V Output................... 18V

Over Load Protection (% of full load at nominal input) ............... 150% max.

Short Circuit Protection...................................... Hiccup, automatic recovery

Over Temperature Protection .......................................................115°C typ.

GENERAL SPECIFICATIONS

Efficiency ........................................................................................see table

Switching Frequency .................................................................300KHz typ.

Isolation Voltage

Input to Output ................................................................... 1600VDC min.

Input to Case ..................................................................... 1600VDC min.

Output to Case................................................................... 1600VDC min.

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

Isolation Capacitance .............................................................. 1000pF max.

ENVIRONMENTAL SPECIFICATIONS

Operating Temperature ................................ -40°C to +85°C (with derating)

Storage Temperature .......................................................... -55°C ~ +105°C

Maximum Case Temperature ........................................................... +100°C

Relative Humidity (non-condensing) .....................................5% to 95% RH

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

Thermal Impedance (See Note 6)

Natural Convection ............................................................. 10°C / Watt

Natural Convection with Heat-Sink.................................... 8.24°C/Watt

Thermal Shock ..................................................................... MIL-STD-810F

Vibration ................................10~55Hz, 10G, 30 minutes along X, Y, and Z

MTBF (See Note 1)

BELLCORE TR-NWT-000332 .......................................... 1.315 x 10 hrs

MIL-HDBK-217F ............................................................... 3.456 x 10 hrs

OUTPUT SPECIFICATIONS

Output Voltage ..............................................................................see table

Voltage Accuracy (nominal Vin and full load) ...................................... ±1%

Voltage Adjustability........................................................................... ±10%

Output Current ..............................................................................see table

Output Power ........................................................................ 30 watts max.

Line Regulation (LL to HL at FL)...................................................... ±0.5%

Load Regulation (no load to full load) .......... Single......................... ±0.5%

Dual ............................... ±1%

Cross Regulation (Dual) (Asymmetrical load 25%/100% FL) ............. ±5%

Minimum Load ..............................................................................see table

Ripple/Noise (20 MHz BW) ...........................................................see table

(measured with a 0.1uF/50V MLCC)

Transient Response Recovery Time (25% load step change).......... 250us

PHYSICAL SPECIFICATIONS

Weight ..................................................................................... 48g (1.69 oz)

Dimensions................... 2.00 x 1.60 x 0.40 inches (50.8 x 40.6 x 10.2 mm)

Case Material ..............................................................Nickel-coated copper

Base Material................................................ FR4 PCB (effective July 2008)

Potting material..................................................................Epoxy (UL94-V0)

Shielding...................................................................................... six – sided

Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833

603-778-2300 www.wallindustries.com Fax 603-778-9797

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Thank you + my family for your understanding and support! + Thank you to my new colleagues for their generous help along the way! + Thank you to the leaders of my company for their trust in me! + Thank you to the EE forum for providing me with professional knowledge!: Thank you + my family for your understanding and support! + Thank you to my new colleagues for their generous help along the way! + Thank you to the leaders of my company for their trust in me! + Than...; linxi713 Talking

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