LM27341_14 datasheet(7/42 Pages) TI1

Part #	LM27341

Description	2 MHz 1.5A/2A Wide Input Range Step-Down DC-DC Regulator with Frequency Synchronization

PDF	42 Pages

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Manufacturer	TI1 [Texas Instruments]

Direct Link	http://www.ti.com

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LM27341, LM27342, LM27341Q, LM27342Q

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SNVS497D – NOVEMBER 2008 – REVISED FEBRUARY 2010

Typical Performance Characteristics (continued)

All curves taken at VIN = 12V, VBOOST - VSW = 4.3V and TA = 25°C, unless specified otherwise.

VIN = 12V, VOUT = 5 V, L = 2.2 µH, COUT = 44 µF Iout =1A

VIN = 12V, VOUT = 3.3V, L = 1.5 µH COUT = 44 µF Iout =1A

Refer to Figure 40

Refer to Figure 46

Figure 17.

Figure 18.

VIN = 5V, VOUT = 1.8V, L = 1.0 µH COUT = 44 µF Iout =1A

VIN = 5V, VOUT = 1.2V, L = 0.56 µH COUT = 68 µF Iout =1A

Refer to Figure 55

Refer to Figure 61

Figure 19.

Figure 20.

Sync Functionality

Loss of Synchronization

Figure 21.

Figure 22.

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LM27341 Datasheet(PDF) 7 Page - Texas Instruments