Delta Electronics NC15 Series manual Technical Specifications, Parameter

Page 2

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

2

Image 2
Contents Options Technical Specifications ParameterElectrical Characteristics Curves Converter efficiency vs. output current 0.9V output voltageOutput ripple & noise at 12Vin, 0.9V/15A out Electrical Characteristics Curves Typical transient response to step load change at Features Descriptions Design ConsiderationsOver-Current and Short-Circuit Protection Features Descriptions CONInput Under-Voltage Lockout Output Voltage ProgrammingVoltage Margining Adjustment Output CapacitanceThermal Derating Thermal Testing SetupThermal Consideration Thermal Curves NC12S0A0V15 17.5 0.69 35Thermal Curves NC12S0A0H15 PWB ModuleMechanical Drawing Part Numbering System Model List