Delta Electronics Technical Specifications, Parameter, NOTES and CONDITIONS, S36SS3R304NRFA

TECHNICAL SPECIFICATIONS

(TA=25°C, airflow rate=300 LFM, Vin=48Vdc, nominal Vout unless otherwise noted.)

PARAMETER	NOTES and CONDITIONS		S36SS3R304NRFA
		Min.		Typ.	Max.	Units
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Continuous					70	Vdc
Transient (100ms)	100ms				100	Vdc
Operating Temperature	Refer to Figure 16 for the measuring point	-40			105	°C
Storage Temperature		-55			125	°C
Input/Output Isolation Voltage	1 minute	1500				Vdc
INPUT CHARACTERISTICS
Operating Input Voltage		18			60	V
Input Under-Voltage Lockout
Turn-On Voltage Threshold		16		17	18	V
Turn-Off Voltage Threshold		15		16	17	V
Lockout Hysteresis Voltage		0.5		1.5	2.5	V
Input Over-Voltage Lockout
Turn-0ff Voltage Threshold				64		V
Turn-on Voltage Threshold				63		V
Maximum Input Current	100% Load, 18Vin				1.3	A
No-Load Input Current				30		mA
Off Converter Input Current				4		mA
Inrush Current(I2t)					1	A2s
Input Reflected-Ripple Current	P-P thru 12µH inductor, 5Hz to 20MHz			5		mA
Input Voltage Ripple Rejection	120 Hz			55		dB
OUTPUT CHARACTERISTICS
Output Voltage Set Point	Vin=48V, Io=50%Io.max, Tc=25℃	3.23		3.30	3.37	V
Output Voltage Regulation
Over Load	Io=Io,min to Io,max			±5	±15	mV
Over Line	Vin=18V to 60V			±2	±7	mV
Over Temperature	Tc=-40℃to 100℃			100	300	ppm/℃
Total Output Voltage Range	Over sample load, line and temperature	3.16			3.44	V
Output Voltage Ripple and Noise	5Hz to 20MHz bandwidth
Peak-to-Peak	Full Load, 1µF ceramic, 10µF tantalum			60	100	mV
RMS	Full Load, 1µF ceramic, 10µF tantalum			15	25	mV
Operating Output Current Range		0			4.5	A
Output DC Current-Limit Inception	Output Voltage 10% Low	5		6	8	A
DYNAMIC CHARACTERISTICS
Output Voltage Current Transient	48V, 10µF Tan & 1µF Ceramic load cap, 0.1A/µs
Positive Step Change in Output Current	50% Io,max to 100% Io,max			65	100	mV
Negative Step Change in Output Current	100% Io,max to 50% Io.max			65	100	mV
Settling Time to 1% of Final value				600		µs
Turn-On Transient
Start-Up Time, From On/Off Control				6	10	ms
Start-Up Time, From Input				5	10	ms
Maximum Output Capacitance	Full load; 5% overshoot of Vout at startup				2000	µF
EFFICIENCY
100% Load		78		81		%
ISOLATION CHARACTERISTICS
Isolation Voltage		1500				V
Isolation Resistance		100				MΩ
Isolation Capacitance				500		pF
FEATURE CHARACTERISTICS
Switching Frequency				280		kHz
ON/OFF Control, (Logic Low-Module ON)
Logic Low	Von/off at Ion/off=1.0mA	0			0.7	V
Logic High	Von/off at Ion/off=0.0 µA	2			15	V
ON/OFF Current	Ion/off at Von/off=0.0V				1	mA
Leakage Current	Logic High, Von/off=15V				50	uA
Output Voltage Trim Range	Across Trim Pin & +Vo or –Vo, Pout≦max rated	-10			+10	%
Output Over-Voltage Protection(Hiccup)	Over full temp range; % of nominal Vout	115		125	140	%
GENERAL SPECIFICATIONS
Calculated MTBF	Io=80% of Io, max; Tc=40°C			4.5		M hours
Weight (Open Frame)				12.5		grams

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