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1W Isolated DC DC Converter Module For Data Switching And Relay Driven Circuits

Categories DC DC Converter Module
Brand Name: MORNSUN
Model Number: A0303S-1WR2
Certification: CE 、ROHS
Place of Origin: China
MOQ: 100PCS
Price: Negotiated
Payment Terms: T/T
Packaging Details: Carton packed
Input voltage: 3.3VDC
Package: SIP package
Case Material: Black plastic; flame-retardant and heat-resistant (UL94 V-0)
Dimensions: 19.50*9.30*6.00 mm
Weight: 2.4g(Typ.)
Cooling methods: Free air convection
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1W Isolated DC DC Converter Module For Data Switching And Relay Driven Circuits

Description

A0303S-1WR2 is designed for use in distributed power supply systems and especially suitable in applications such as pure digital circuits,low frequency analog circuits,relay-driven circuits and data switching circuits,where:

1.The voltage of the input power supply is relatively stable with a variation of±10%Vin or less; 2.An input to output isolation voltage of up to 1500VDC is necessary;

3.The requirement for a tight line and load regulation is not as strict.

Such as pure digital circuits,low frequency analog circuits,relay-driven circuits and data switching circuits.


FEATURES

High power density

Ultra compact SIP package

Operating ambient temperature range: -40℃ to +85℃

I/O isolation test voltage 1.5k VDC

No external component required

Industry standard pin-out


Specifications


Selection Guide

Part No.

Input Voltage (VDC)OutputFull Load Efficiency (%) Min./Typ.

Capacitive Load*(µF)

Max.

Nominal (Range)Voltage (VDC)Current(mA) (Max./Min.)
A0303S-1WR2

3.3

(2.97-3.63)

±3.3±152/±1567/71100
Note: * The specified maximum capacitive load for positive and negative output is identical.
Input Specifications
ItemOperating ConditionsMin.Typ.Max.Unit
Input Current (full load / no-load)3.3V input--400/30--/60mA
Surge Voltage (1sec. max.)3.3V input-0.7--5VDC
Reflected Ripple Current--30--mA
Input FilterCapacitor filter
Hot PlugUnavailable
Output Specifications
ItemOperating ConditionsMin.Typ.Max.Unit
Output Voltage AccuracySee output regulation curve (Fig. 1)
Line RegulationInput voltage change: ±1%----±1.5--
Load Regulation10%-100% load--18--%
Ripple & Noise*20MHz bandwidth--50150mVp-p
Temperature Coefficient100% load----±0.04%/℃
Short-circuit Protection**----1s

Note: * Ripple and noise tested with “parallel cable” method, please see DC-DC Converter Application Notes for specific operation methods.

**The supply voltage must be discontinued at the end of short circuit duration.

Physical Specifications
Casing MaterialBlack flame-retardant heat-proof epoxy resin ((UL94 V-0)
Package Dimensions19.50*9.30*6.00 mm
Weight2.4g(Typ.)
Cooling methodsFree air convection


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