TPS65642AYFFR datasheet(10/77 Pages) TI1

No. de pieza	TPS65642AYFFR

Descripción Electrónicos	LCD Bias With Integrated Gamma Reference for Notebook PCs, Tablet PCs and Monitors

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Fabricante Electrónico	TI1 [Texas Instruments]

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10 / 77 page

TPS65642A

SLVSC21 – OCTOBER 2013

www.ti.com

4

Typical Characteristics

4.1

Table of Graphs

FUNCTIONAL BLOCK

PARAMETER

TEST CONDITIONS

FIGURE

Boost Converter 1 (AVDD) Efficiency

AVDD = 7 V, 8.4 V, 9.4 V, 10.1 V, IAVDD = 1 mA to 500 mA

VIN = 3.3 V

Figure 4-1

VIN = 5 V

Figure 4-2

Line Regulation

VIN = 2.6 V to 6 V, AVDD = 8.4 V, IAVDD = 100 mA

Figure 4-3

Load Regulation

VIN = 3.3 V, 5 V, AVDD = 8.4 V, IAVDD = 1 mA to 500 mA

Figure 4-4

Line Transient Response

VIN = 3 V to 4.8 V (dV/dt = 7.5 V/ms), AVDD = 8.4 V

RL = 82 Ω

Figure 4-5

RL = 33 Ω

Figure 4-6

Load Transient Response

AVDD = 8.4 V, IAVDD = 20 mA – 200 mA

VIN = 3.3 V

Figure 4-7

VIN = 5 V

Figure 4-8

Output Voltage Ripple

AVDD = 8.4 V, RL = 82 Ω

VIN = 3.3 V

Figure 4-9

VIN = 5 V

Figure 4-10

Switching Waveforms

VIN = 3.3 V, AVDD = 8.4 V

RL = 820 Ω

Figure 4-11

RL = 82 Ω

Figure 4-12

Switching Frequency

VIN = 2.6 V to 6 V, AVDD = 7 V, 8.4 V, 10.1 V

RL = 82 Ω

Figure 4-13

Buck Converter 1 (VCORE) Efficiency

VCORE = 1 V, 1.1 V, 1.2 V, 1.3 V, ICORE = 1 mA to 500 mA

VIN = 3.4 V

Figure 4-14

VIN = 5 V

Figure 4-15

Line Regulation

VIN = 2.6 V to 6 V, VCORE = 1.1 V, ICORE = 300 mA

Figure 4-16

Load Regulation

VIN = 3.4 V, 5 V, VCORE= 1.1 V, ICORE = 1 mA to 500 mA

Figure 4-17

Line Transient Response

VIN = 3 V to 4.8 V (dV/dt = 7.5 V/ms), VCORE= 1.1 V, Load = 3.9 Ω

Figure 4-18

Load Transient Response

VCORE = 1.1 V, ICORE = 50 mA - 200 mA

VIN = 3.3 V

Figure 4-19

VIN = 5 V

Figure 4-20

Output Voltage Ripple

VCORE = 1.1 V, RL = 3.9 Ω

VIN = 3.3 V

Figure 4-21

VIN = 5 V

Figure 4-22

Switching Waveforms

VIN = 3.3 V, VCORE = 1.1 V

RL = 120 Ω

Figure 4-23

RL = 3.9 Ω

Figure 4-24

Switching Frequency

VIN = 2.6 V to 6 V, VCORE = 1.1 V

RL = 12 Ω

Figure 4-25

Buck Converter 2 (VIO1)

Efficiency

VIO1 = 1.7 V, 1.8 V, 2.5 V, IIO1 = 1 mA to 500 mA

VIN = 3.3 V

Figure 4-26

VIN = 5 V

Figure 4-27

Line Regulation

VIN = 2.6 V to 6 V, VIO1 = 1.7 V, IIO1 = 100 mA

Figure 4-28

Load Regulation

VIN = 3.4 V, 5 V, VIO1 = 1.7 V, IIO1 = 1 mA to 500 mA

Figure 4-29

Line Transient Response

VIN = 3 V to 4.8 V (dV/dt = 7.5 V/ms), VIO1 = 1.7 V, RL = 27 Ω

Figure 4-30

Load Transient Response

VIO1 = 1.7 V, IIO1 = 50 mA - 100 mA

VIN = 3.3 V

Figure 4-31

VIN = 5 V

Figure 4-32

Output Voltage Ripple

VIO1 = 1.7 V, RL = 27 Ω

VIN = 3.3 V

Figure 4-33

VIN = 5 V

Figure 4-34

Switching Waveforms

VIN = 3.3 V, VIO1 = 1.7 V

RL = 270 Ω

Figure 4-35

RL = 27 Ω

Figure 4-35

Switching Frequency

VIN = 2.6 V to 6 V, VIO1 = 1.7 V

RL = 27 Ω

Figure 4-35

LDO Regulator (VIO2)

Load Regulation

VIO1 = 2.5 V, VIO2 = 1.8 V, IIO2 = 1 mA to 100 mA

Figure 4-38

Line Transient Response

VIN = 3 V to 4.8 V (dV/dt = 7.5 V/ms), VIO1 = 2.5 V, VIO2 = 1.8 V, RL = 27 Ω

Figure 4-39

Load Transient Response

VIN = 3.3 V, VIO1 = 2.5 V, VIO2 = 1.8 V, IIO2 = 50 mA - 100 mA

Figure 4-40

Output Voltage Ripple

VIN = 3.3 V, VIO1 = 2.5 V, VIO2 = 1.8 V, RL = 27 Ω

Figure 4-41

10

Typical Characteristics

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