LM22670QTJE-ADJ datasheet(5/29 Pages) TI

No de pièce	LM22670QTJE-ADJ

Description	LM22670/LM22670Q 42V, 3A SIMPLE SWITCHER, Step-Down Voltage Regulator with

Download	29 Pages

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Fabricant	TI [Texas Instruments]

Site Internet	http://www.ti.com

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1.5

1.2

1.4

0.8

0.9

0.6

0.7

1.0

1.1

1.3

–50 –25

0

25

50

75

100 125

TEMPERATURE (°C)

PFM Package

SO Package

LM22670

www.ti.com

SNVS584O – SEPTEMBER 2008 – REVISED MARCH 2013

Typical Performance Characteristics

Unless otherwise specified the following conditions apply: Vin = 12V, TJ = 25°C.

Efficiency vs IOUT and VIN

VOUT = 3.3V

Normalized Switching Frequency vs Temperature

Figure 3.

Figure 4.

Current Limit vs Temperature

Normalized RDS(ON) vs Temperature

Figure 5.

Figure 6.

Feedback Bias Current vs Temperature

Normalized Enable Threshold Voltage vs Temperature

Figure 7.

Figure 8.

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