N2576G-5 datasheet(2/5 Pages) ETC1

部件名	N2576G-5

功能描述	52 KHz 3A Step-Down Switching Voltage Regulator (SVR)

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52 KHz 3A Step-Down

Switching Voltage Regulator (SVR)

N2576G-5

TO-220, TO263

Lead-Free

MAY-21-2004

NIKO-SEM

ABSOLUTE MAXIMUM RATINGS

Maximum Supply Voltage

30V

ON/OFF Pin Input Voltage

-0.3

≤V≤+V

I

Thermal Resistance

Junction to Ambient,

θ

JA

TO-220

TO-263

50°C/W

60°C/W

Output Voltage to Ground

(Stead State)

-1V

Operating Junction

Temperature Range

-40 to 125°C

Power Dissipation

Internally

Limited

Storage Temperature

Range

-65 to 150°C

Thermal Resistance

Junction to Case,

θ

JC

2.0°C/W

Lead Temperature

(Soldering, 10 Seconds)

260°C

ELECTRICAL CHARACTERISTICS (Unless otherwise specified, TA = 25°C.)

Parameter

Symbol

Test Conditions

Typical

Limits

Output Voltage

VOUT

VIN = 12V

ILOAD = 0.5A

5V

4.9VMin

5.1VMax

Output Voltage

VOUT

8V

≤ V

IN ≤ 27V

0.5A

≤ I

LOAD ≤ 3A

5V

4.8VMin

5.2VMax

Efficiency

η

VIN = 12V, VOUT = 3.3V

IOUT = 3A

77%

Oscillator

Frequency

FOSC

52 KHz

47 KHz (Min)

58 KHz (Max)

Saturation Voltage

VSAT

IOUT = 3A

1.4V

1.8VMax

Current Limit

ICL

6.0A

4.0A ~ 7.0A

VIH

VOUT = 0V

1.4V

2.2V (Min)

ON/OFF Pin Logic

Input Level

VIL

VOUT = Nominal Output Voltage

1.2V

1.0V (Max)

IIH

ON/OFF Pin = 5V (OFF)

12

µA

30

µA (Max)

ON/OFF Pin Logic

Input Current

IIL

ON/OFF Pin = 0V (ON)

0

µA

10

µA (Max)

REMARK: Orders for parts with Lead-Free plating can be placed using the N2576XG-5 parts name.

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