DS_DNK12SIP_09062016

2

TECHNICAL SPECIFICATIONS

PARAMETER

NOTES and CONDITIONS

DNK12S0A0R30

Min.

Typ.

Max.

Units

ABSOLUTE MAXIMUM RATINGS

Input Voltage (Continuous)

0

15

Vdc

Tracking Voltage

0

Vin,max

Vdc

Operating Ambient Temperature

-40

85

°C

Storage Temperature

-55

125

°C

INPUT CHARACTERISTICS

Operating Input Voltage

Vo<=3.3V

6

12

14

V

Vo>3.3V

8.3

12

14

V

Input Under-Voltage Lockout

Turn-On Voltage Threshold

5.2

V

Turn-Off Voltage Threshold

4.8

V

Maximum Input Current

Vin=Vin,min to Vin,max, Io=Io,max

27

A

No-Load Input Current

150

mA

Off Converter Input Current

Vin=12V

25

40

mA

Inrush Transient

Vin= 10.2~13.8V, Io=Io,min to Io,max

1

A

Recommended Input Fuse

50

A

OUTPUT CHARACTERISTICS

Output Voltage Set Point

With a 1% trim resistor

-1.5

Vo,set

+1.5

% Vo,set

Output Voltage Adjustable Range

0.8

5.5

V

Over Load

Io=Io,min to Io,max

-0.4

0.4

% Vo,set

Total Output Voltage Range

Over sample load, line and temperature

-3.0

+3.0

% Vo,set

Output Voltage Ripple and Noise

5Hz to 20MHz bandwidth with 0.01uF//0.1uF//10uF ceramic

Peak-to-Peak

Vo<=2.5V, Io=Io,max

25

50

mV

Vo=3.3V, Io=Io,max

75

mV

Vo=5V, Io=Io,max

100

mV

RMS

Vin= Vin,min to Vin,max, Io=Io,max

8

mV

Output Current Range

0

30

A

Output Voltage Over-shoot at Start-up

Vin=12V, Turn on

3

% Vo,set

Output DC Current-Limit Inception

Hiccup mode

160

% Io

DYNAMIC CHARACTERISTICS

Dynamic Load Response

10µF Tan & 1µF ceramic load cap, 1A/µs, 5Vout

Positive Step Change in Output Current

50% Io,max to 100% Io,max

350

mV

Negative Step Change in Output Current

100% Io,max to 50% Io,max

350

mV

Setting Time to 10% of Peak Deviation

25

µs

Turn-On Transient

Io=Io.max

Start-Up Time, From On/Off Control

Von/off, Vo=10% of Vo,set

3

ms

Start-Up Time, From Input

Vin=Vin,min, Vo=10% of Vo,set

3

ms

Output Voltage Rise Time

Time for Vo to rise from 10% to 90% of Vo,set

4

ms

Maximum Output Startup Capacitive Load

Full load; ESR ≧1mΩ

2000

µF

Full load; ESR ≧10mΩ

10000

µF

EFFICIENCY

Vo=0.8V

Vin=12V, Io=Io,max

82

%

Vo=1.2V

Vin=12V, Io=Io,max

85

%

Vo=1.5V

Vin=12V, Io=Io,max

89

%

Vo=1.8V

Vin=12V, Io=Io,max

90.5

%

Vo=2.5V

Vin=12V, Io=Io,max

93

%

Vo=3.3V

Vin=12V, Io=Io,max

94

%

Vo=5.0V

Vin=12V, Io=Io,max

95

%

FEATURE CHARACTERISTICS

Switching Frequency

300

kHz

ON/OFF Control, (Negative logic)

Logic Low Voltage

Module On, Von/off

-0.3

1.2

V

Logic High Voltage

Module Off, Von/off

3

Vin,max

V

Logic Low Current

Module On, Ion/off

10

uA

Logic High Current

Module Off, Ion/off

0.2

1

mA

Tracking Slew Rate Capability

Vin= Vin,min to Vin,max, Io=Io,min to Io,max, Vseq<Vo

2

V/msec

Tracking Delay Time

Delay from Vin.min to application of tracking voltage

10

ms

Tracking Accuracy

Power-up, subject to 2V/mS

100

200

mV

Power-down, subject to 1V/mS

200

400

mV

Remote Sense Range

0.5

V

GENERAL SPECIFICATIONS

MTBF

Io=Io,max, Ta=25℃

5.42

M hours

Weight

10

grams

Over-Temperature Shutdown (Hot Spot)

Refer to Figure 43 for Hot spot location

(12Vin,80%Io, 200LFM,Airflow from Pin1 to Pin13)

133

°C

Over-Temperature Shutdown (NTC Resistor)

Refer to Figure 43 for NTC resistor location

130

°C

Note: Please attach thermocouple on NTC resistor to test OTP function, the hot spot’s temperature is just for reference.