TPS65320QPWPRQ1 datasheet(7/34 Pages) TI | 40-V Step-Down Converter With Eco-mode??Codec and LDO Regulator

Part #	TPS65320QPWPRQ1

Description	40-V Step-Down Converter With Eco-mode??Codec and LDO Regulator

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Manufacturer	TI [Texas Instruments]

Direct Link	http://www.ti.com

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0

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0

200

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1200

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1600

RT/CLK Resistance (k

C003

V

IN = 12V

T

J = 25ƒC

0.790

0.792

0.794

0.796

0.798

±50

±25

0

25

50

75

100

125

150

Junction Temperature (

ƒC)

C007

No Load

V

IN = 12V

0

1

2

3

4

5

6

2

3

4

5

6

7

8

Input Voltage (V)

No load

100mA Load

1A Load

C002

f

sw = 2MHz

0

10

20

30

40

50

60

70

80

90

100

0.0

0.1

0.2

0.3

0.4

0.5

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0.8

V

FB1 (V)

C004

V

IN = 12V

TPS65320-Q1

www.ti.com

SLVSAY9A – DECEMBER 2012 – REVISED APRIL 2013

TYPICAL CHARACTERISTICS

BUCK CONVERTER LOAD TRANSIENT TEST (5 V / 2 MHz)

BUCK CONVERTER START-UP OPERATION

Figure 3.

Figure 4.

SWITCHING FREQUENCY

versus

BUCK VOUT OUTPUT VOLTAGE

VFB1

Figure 5.

Figure 6.

SWITCHING FREQUENCY

BUCK VOLTAGE REFERENCE

versus

RT/CLK RESISTANCE

JUNCTION TEMPERATURE

Figure 7.

Figure 8.

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TPS65320QPWPRQ1 Datasheet(PDF) 7 Page - Texas Instruments

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