Delta Electronics Series L36SA manual Technical Specifications, Parameter, NOTES and CONDITIONS

TECHNICAL SPECIFICATIONS

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

PARAMETER	NOTES and CONDITIONS	L36SA3R315 (Standard)
		Min.	Typ.	Max.	Units
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Continuous				80	Vdc
Maximum input voltage				100	Vdc
Operating Temperature	Refer to Figure21 for measuring point	-40		130	°C
Storage Temperature		-55		125	°C
Input/Output Isolation Voltage				2250	Vdc
INPUT CHARACTERISTICS
Operating Input Voltage		18		75	Vdc
Input Under-Voltage Lockout
Turn-On Voltage Threshold		16	17	18	Vdc
Turn-Off Voltage Threshold		15	16	17	Vdc
Lockout Hysteresis Voltage		0.75	1	1.5	Vdc
Maximum Input Current	100% Load, 18Vin			4	A
No-Load Input Current			40		mA
Off Converter Input Current			4		mA
Inrush Current(I2t)				1	A2s
Input Reflected-Ripple Current	P-P thru 12µH inductor, 5Hz to 20MHz		20		mA
Input Voltage Ripple Rejection	120 Hz		60		dB
OUTPUT CHARACTERISTICS
Output Voltage Set Point	Vin=48V, Io=Io.max, Tc=25°C	3.267	3.3	3.333	Vdc
Output Voltage Regulation
Over Load	Io=Io,min to Io,max		±5	±15	mV
Over Line	Vin=18V to 75V		±5	±10	mV
Over Temperature	Ta=-40°C to 85°C		±30		mV
Total Output Voltage Range	Over sample load, line and temperature	3.25		3.35	V
Output Voltage Ripple and Noise	5Hz to 20MHz bandwidth
Peak-to-Peak	Full Load, 1µF ceramic, 10µF tantalum		40	80	mV
RMS	Full Load, 1µF ceramic, 10µF tantalum		10	20	mV
Operating Output Current Range		0		15	A
Output over current protection		110		150	%
DYNAMIC CHARACTERISTICS
Output Voltage Current Transient	48V, 10µF Tan & 1µF Ceramic load cap, 0.1A
Positive Step Change in Output Current	50% Io.max to 75% Io.max		80		mV
Negative Step Change in Output Current	75% Io.max to 50% Io.max		80		mV
Settling Time (within 1% Vout nominal)			150		us
Turn-On Transient
Start-Up Time, From On/Off Control			20		ms
Start-Up Time, From Input			20		ms
Maximum Output Capacitance	Full load; 5% overshoot of Vout at startup			4000	µF
EFFICIENCY
100% Load			87		%
60% Load			87		%
ISOLATION CHARACTERISTICS
Input to Output				2250	Vdc
Isolation Resistance		100			MΩ
Isolation Capacitance			1500		pF
FEATURE CHARACTERISTICS
Switching Frequency			300		kHz
ON/OFF Control, Negative Remote On/Off logic
Logic Low (Module On)	Von/off at Ion/off=1.0mA			0.7	V
Logic High (Module Off)	Von/off at Ion/off=0.0 µA	2		18	V
ON/OFF Control, Positive Remote On/Off logic
Logic Low (Module Off)	Von/off at Ion/off=1.0mA			0.7	V
Logic High (Module On)	Von/off at Ion/off=0.0 µA	2		18	V
ON/OFF Current (for both remote on/off logic)	Ion/off at Von/off=0.0V			1	mA
Leakage Current (for both remote on/off logic)	Logic High, Von/off=15V			50	uA
Output Voltage Trim Range	Across Pins 9 & 5, Pout ≦ max rated power	-10%		10%	%
Output Voltage Remote Sense Range (option)	Pout ≦ max rated power			10	%
Output Over-Voltage Protection	Over full temp range; % of nominal Vout		4		V
GENERAL SPECIFICATIONS
MTBF	Io=80% of Io, max; Ta=25°C		3.7		M hours
Weight			24.2		Grams
Over-Temperature Shutdown	Refer to Figure21 for measuring point		134		°C

DS_L36SA3R315_02142007

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