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WF305U

Description
DC/DC Converters
File Size51KB,2 Pages
ManufacturerETC
Download Datasheet View All

WF305U Overview

DC/DC Converters

2:1 Input Range
Efficiency to 85%
300kHz Switching Freq
Overvoltage Protec
Remote Disable
Six-sided Shield
External Output Tr
Specification
All specifications are typical at 25°C, nominal line & 75% load
Input
Input Voltage Range
Input Filter
See Table
π
Type
Output
Voltage Accuracy
Single output, ±2% max.
Dual + output, ±2% max.
Dual - output, ±3% max.
Triple 5V, ±2% max.
12V/15V, ±5% max.
Voltage Balance
Dual Output at full load
±1% max.
Transient Response
Single, 25% Step Load Change
<500µ sec
Dual, FL=1/2L±1% Error Band
<500µ sec
External Trim
Adj. Range
±10%
Ripple & Noise
10mV RMS, max
(20MHz BW)
75m V p-p max.
Temperature
±0.02%/°C max.
Coefficient
Short Circuit
Indefinite
Protection
Line Regulation
Single/Dual Output
Triple Output
Load Regulation
Single/Dual Output
Triple Output
±0.5% max.
±1.0% max.
±1.0% max.
±5.0% max.
General
Efficiency
Isolation Voltage
Isolation Resistance
Switching
Frequency
Case Grounding
Operating Temperature
Range
Storage Temperature
Range
See Table
500 VDC min
10
9
ohms min.
300 kHz
Capacity Coupled t
-25°C to +100°C
-55°C to +105°C
Environmental
EMI/RFI
Case Temperature
Case Material
Dimensions
Safety Approvals
Six-sided Continuo
100°C max
Black Coated Copp
Non-Conductive Ba
2 x 2 x 0.40 inches
(50.8 x 50.8 x 10.2 m
UL1950 for U versio
39
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