TPS65021 datasheet(13/45 Pages) TI

13 / 45 page

www.ti.com

TYPICAL CHARACTERISTICS

- Output Current - mA

T = 25 C

= 3.3 V

PFM / PWM Mode

V = 3.8 V

V = 4.2 V

V = 5 V

0.01

0.1

100

1 k

10 k

- Output Current - mA

T = 25 C

= 3.3 V

PWM Mode

V = 3.8 V

V = 4.2 V

V = 5 V

0.01

0.1

100

1 k

10 k

TPS65021

SLVS613 – OCTOBER 2005

Graphs were taken using the EVM with the following inductor/output capacitor combinations:

CONVERTER

INDUCTOR

OUTPUT CAPACITOR

OUTPUT CAPACITOR VALUE

VDCDC1

VLCF4020-2R2

C2012X5R0J106M

× 10 µF

VDCDC2

VLCF4020-2R2

C2012X5R0J106M

× 10 µF

VDCDC3

VLF4012AT-2R2M1R5

C2012X5R0J106M

× 10 µF

Table 1. Table of Graphs

FIGURE

Efficiency

vs Output current

1, 2, 3, 4, 5, 6, 7

Line transient response

8, 9, 10

Load transient response

11, 12, 13

VDCDC2 PFM operation

VDCDC2 low ripple PFM operation

VDCDC2 PWM operation

Startup VDCDC1, VDCDC2 and VDCDC3

Startup LDO1 and LDO2

Line transient response

19, 20, 21

Load transient response

22, 23, 24

DCDC1: EFFICIENCY

OUTPUT CURRENT

Figure 1.

Figure 2.

TPS65021 Datasheet(PDF) 13 Page - Texas Instruments

TPS65021 Datasheet(HTML) 13 Page - Texas Instruments

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45

Datasheet Download

Link URL