WRA2405S-3WR3 isolated power module WRA2403/2409/2412/242424S-3W dual output Power Converter

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Product Feature

3W, wide voltage input, isolated and stabilized positive and negative dual channel single output
Ultra compact SIP packaging
Wide input voltage range: 2:1
Working temperature range: -40 ° C to+85 ° C
Isolation voltage 1500VDC
Low ripple noise
Short circuit protection (self recovery)
Output can be turned off

Input Characteristics

Item	Working conditions	Min.	Typ.	Max.	Unit
Input voltage range	5VDC Input Series	4.5	5	9	VDC
	12VDC Input Series	9	12	18
	24VDC Input Series	18	24	36
	48VDC Input Series	36	48	72
Input current (full load/no load)	5VDC Input Series	--	833/40	857/60	mA
	12VDC Input Series	--	320/15	328/30
	24VDC Input Series	--	160/6	164/10
	48VDC Input Series	--	80/4	82/6
Reflection ripple current	5VDC Input Series	--	30	--	mA
	12VDC Input Series		40	--
	24VDC Input Series		55	--
	48VDC Input Series		45	--
Impulse voltage（1sec.max.)	5VDC Input Series	-0.7	--	12	VDC
	12VDC Input Series	-0.7	--	25
	24VDC Input Series	-0.7	--	50
	48VDC Input Series	-0.7	--	100
Starting voltage	5VDC nominal input series, nominal input voltage	-	-	4.5
	12VDC nominal input series, nominal input voltage	-	-	9
	24VDC nominal input series, nominal input voltage	-	-	18
	48VDC nominal input series, nominal input voltage	-	-	36
Input filter type		Capacitance filter type
Hot plugged		Non-support
Remote pin(Ctrl)*	Module enabled	Ctrl end suspended or high resistance
	Module shutdown	Connect the high level (relative to the input ground) so that the current flowing into the Ctrl terminal is 5-10mA

Output Characteristics

Project name	Working and testing condition		Min.	Typ.	Max.	Unit
Linear adjustment rate	Full load, input voltage from low voltage to high voltage		--	±0.2	±0.5	%
No-load output voltage accuracy	Input voltage range		--	±1.5	±5.0	%
Output Voltage Accuracy	5%-100% load, input voltage range	3.3V/5V Input	--	±3.0	±5.0	%
Output Voltage Accuracy	5%-100% load, input voltage range	others	--	±1.0	±3.0	%
Load adjustment rate	5%~100% load		--	±0.4	±75	%
Transient recovery time	25% load step change		--	0.5	2	ms
Transient Response Bias	25% load step change		--	±2.5	±5	%
Ripple & Noise	Pure resistive load, 20HMz bandwidth, peak-to-peak		--	50	100	mVp-p
Temperature Drift Coefficient	Full load		--	±0.02	±0.03	%/℃
Output short circuit protection	Continuous short circuit protection, automatic recovery
Notes: Ripple and Noise Test Methods Twisted Pair Test Method

Typical Application Circuits

EMC parameter recommendation

Component No.	5V Input	12V Input	24V Input	48V Input
FMSE	Slow blowing fuse, selected according to the actual input current of the customer
MOV varistor	-	14D390K	14D560K	14D101K
LDM1 inductance	12uH	12uH	12uH	12uH
Co electrolytic capacitor	1000μF/16V	1000μF/25V	330μF/50V	330μF/100V
C1 ceramic capacitor	4.7μF/50V	4.7μF/50V	4.7μF/50V	4.7uF/100V
C2 ceramic capacitor	4.7μF/50V	4.7uF/50V	4.7uF/50V	4.7uF/100V
Cout ceramic capacitor
CY1 safety capacitor	1nF/2KV
D1 diode	RB160M-60V/1A
R resistance	According to the formula:R=((Vc-Vd-1.0)/1c)-300Ω
Cd	47nF/100V

Notes：More details please feel free to contact hi-link team.