Delta Electronics NC15 Series Technical Specifications, Parameter, NOTES and CONDITIONS, Units

TECHNICAL SPECIFICATIONS

(Ambient Temperature=25°C, minimum airflow=200LFM, nominal Vin=12Vdc unless otherwise specified.)

PARAMETER	NOTES and CONDITIONS		NC12S0A0V/H15
		Min.	Typ.	Max.	Units
ABSOLUTE MAXIMUM RATINGS
Input Voltage				14	Vdc
Operating Temperature (Vertical)	With appropriate air flow and derating, see Figs 33	0		130	°C
Operating Temperature (Horizontal)	With appropriate air flow and derating, see Figs 39	0		125	°C
Storage Temperature		-40		125	°C
Input/Output Isolation Voltage	Non-isolated		NA		V
INPUT CHARACTERISTICS
Operating Input Voltage		10.2	12.0	13.8	V
Input Under-Voltage Lockout
Turn-On Voltage Threshold			9.0		V
Turn-Off Voltage Threshold			7.5		V
Lockout Hysteresis Voltage			1.5		V
Maximum Input Current	100% Load, 10.2Vin, 5.0Vout			8.1	A
No-Load Input Current	Vin=12V, Vout=0.9V		65		mA
Off Converter Input Current	Remote OFF		9		mA
Input Reflected-Ripple Current	Refer to Figure 31.		150		mA
Input Ripple Rejection	120Hz		45		dB
OUTPUT CHARACTERISTICS
Output Voltage Adjustment Range		0.9		5.0	V
Output Voltage Set Point	With a 1.0% trim resistor	-2.5		+2.5	%
Output Voltage Regulation
Over Load	Io=Io_min to Io_max	-1.0		+1.0	%
Over Line	Vin=Vin_min to Vin_max	-0.2		+0.2	%
Output Voltage Ripple and Noise	5Hz to 20MHz bandwidth
Peak-to-Peak	Full Load, 100nF ceramic, 10µF tantalum			50	mV
RMS	Full Load, 100nF ceramic, 10µF tantalum			20	mV
Output Current Range		0		15	A
Output Voltage Over-shoot at Start-up	Vin=12V, Turn ON			1	%
Output Voltage Under-shoot at Power-Off	Vin=12V, Turn OFF			100	mV
Output DC Current-Limit Inception	Hiccup mode	16			A
Output Short-Circuit Current	Hiccup mode
DYNAMIC CHARACTERISTICS
Output Dynamic Load Response	12Vin, 100nF ceramic, 10µF tantalum load cap, 10A/µs
Positive Step Change in Output Current	50% Io_max to 75% Io_max			100	mV
Negative Step Change in Output Current	75% Io_max to 50% Io_max			100	mV
Settling Time	Settling to be within regulation band (Vo +/- 2.5%)			200	µs
Turn-On Transient
Start-Up Time, from On/Off Control	From Enable high to 10% of Vo			10	ms
Start-Up Time, from input power	From Vin=12V to 10% of Vo			10	ms
Minimum Output Capacitance	Ex: OSCON 6.3V/680µF (ESR 13 mΩ max.)	680			µF
Maximum Output Startup Capacive Load	Full Load			6800	µF
Minimum Input Capacitance	Ex: OSCON 16V/270µF (ESR 18 mΩ max.)	270			µF
EFFICIENCY
Vo=0.9V	Vin=12V, Io=15A		75		%
Vo=1.2V	Vin=12V, Io=15A		79		%
Vo=1.5V	Vin=12V, Io=15A		81		%
Vo=1.8V	Vin=12V, Io=15A		84		%
Vo=2.5V	Vin=12V, Io=15A		87		%
Vo=3.3V	Vin=12V, Io=15A		89		%
Vo=5.0V	Vin=12V, Io=15A		91		%
FEATURE CHARACTERISTICS
Switching Frequency	fixed		300		KHz
ON/OFF Control	Positive logic (internally pulled high)
Logic High	Module On (or leave the pin open)	2.4		5.5	V
Logic Low	Module Off	0		0.8	V
GENERAL SPECIFICATIONS
MTBF	Telcordia SR-332 Issue1 Method1 Case3 at 50°C		2.1		M hours
Weight			16.5		grams

NC12S15A_01102008

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