LM2576 datasheet(6/8 Pages) TGS

Part #	LM2576

Description	regulators are monolithic integrated circuits that provide all the active functions for a step-down switching

PDF	8 Pages

Scroll/Zoom	100%

Manufacturer	TGS [Tiger Electronic Co.,Ltd]

Direct Link	http://www.tgselec.com

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6 / 8 page

LM2576 Series

Typical Performance Characteristics (Circuit of Figure 2)

Normalized Output Voltage

Line Regulation

Dropout Voltage

VIN =20V

ILOAD = 500mA

Normalized at

TJ =25°C

ILOAD = 500mA

TJ =25°C

ILOAD = 3A

L1 = 150

3.3V, 5V & ADJ

12V & 15V

ILOAD = 200mA

ILOAD = 1A

RIND = 0.1Ω

JUNCTION TEMPERATURE (°C)

INPUT VOLTAGE (V)

JUNCTION TEMPERATURE (°C)

Standby

Quiescent Current

Current Limit

VIN = 25V

VIN = 40V

VOUT = 5V

Measured at

Ground Pin

VON/OFF = 5V

TJ =25°C

VIN =12 V

ILOAD = 200mA

ILOAD = 3A

JUNCTION TEMPERATURE (°C)

INPUT VOLTAGE (V)

JUNCTION TEMPERATURE (°C)

Switch Saturation

Voltage

Efficiency

Oscilator Frequency

Normalized at 25°C

-55°C

ILOAD = 3A

15V OUT

TJ =25°C

ILOAD = 200mA

VIN = 40V

25°C

150°C

ILOAD = 3A

ILOAD = 200mA

VIN = 12V

SWITCH CURRENT (A)

INPUT VOLTAGE (V)

JUNCTION TEMPERATURE (°C)

Minimum Operating Voltage

Quiescent Current

vs Duty Cycle

Feedback Voltage

vs Duty Cycle

Adjustable Version Only

VIN = 7V

Adjustable Version Only

ILOAD = 500mA

VIN = 40V

VOUT ≈1.23V

ILOAD = 500mA

VIN = 40V

VIN = 7V

JUNCTION TEMPERATURE (°C)

DUTY CYCLE (%)

ELECTRONICS CO.,LTD

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