SLMA002 datasheet(42/55 Pages) TI1

Part #	SLMA002

Description	2-A DUAL NON-SYNCHRONOUS CONVERTER WITH INTEGRATED HIGH-SIDE MOSFET

PDF	55 Pages

Scroll/Zoom	100%

Manufacturer	TI1 [Texas Instruments]

Direct Link	http://www.ti.com

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42 / 55 page

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Additional Design Examples

Example 2: 24-V to 12-V and 24-V to 5-V

VOUT

(5 V/div)

VIN = 24 V

IOUT = 2 A

T − Time − 10 ns / div

VOUT

(5 V/div)

VIN = 24 V

IOUT = 2 A

T − Time − 10 ns / div

TPS54283,, TPS54286

SLUS749C – JULY 2007 – REVISED OCTOBER 2007

For a higher input voltage, both a snubber and bootstrap resistors are added to reduce ringing on the switch

node and a 30 V schottky diode is selected. A higher resistance feedback network is chosen for the 12 V output

to reduce the feedback current.

Figure 45. 24-V to 12-V and 24-V to 5-V Using the TPS54283

Figure 46. Switch Node Ringing Without Snubber and

Figure 47. Switch Node Ringeing With Snubber and

Boost Resistor

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Product Folder Link(s): TPS54283 TPS54286

SLMA002 Datasheet(PDF) 42 Page - Texas Instruments