TPS61253 datasheet(10/34 Pages) TI1

Part #	TPS61253

Description	3.5-MHz HIGH EFFICIENCY STEP-UP CONVERTER IN CHIP SCALE PACKAGING

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Manufacturer	TI1 [Texas Instruments]

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4.365

4.41

4.455

4.5

4.545

V

= 4.5 V

PWM Operation

O

V = 4.5 V

I

V = 2.5 V

I

V = 2.7 V

I

V = 3 V

I

V = 3.3 V

I

V = 3.6 V

I

500

700

900

1100

1300

1500

1700

1900

I

- Output Current - mA

O

V = 4.2 V

I

4.95

5

5.05

5.1

5.15

0.1

1

10

100

1000

I

- Output Current - mA

O

V = 5 V

I

V = 2.5 V

I

V = 4.5 V

I

V

= 5 V (TPS61256)

PFM/PWM Operation

O

V = 3.6 V

I

4.75

4.8

4.85

4.9

4.95

5

5.05

5.1

1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000

I - Output Current - mA

O

V = 4.2 V

I

V = 4.5 V

I

V = 3.3 V

I

V = 3.6 V

I

V = 5 V (TPS61253),

I = Pulse Operation (t

= 20 ms,

= 10%),

PWM Operation

O

pulse

d

V = 3 V

I

4.8

4.85

4.9

4.95

5

5.05

500

700

900

1100

1300

1500

1700

1900

I

- Output Current - mA

O

V = 4.5 V

I

V = 2.5 V

I

V = 2.7 V

I

V = 3 V

I

V = 3.3 V

I

V = 3.6 V

I

V = 4.2 V

I

V

= 5 V (TPS61256)

PWM Operation

O

TPS61253, TPS61254, TPS61256, TPS61258

SLVSAG8B – SEPTEMBER 2011 – REVISED MAY 2012

www.ti.com

DC OUTPUT VOLTAGE

vs

OUTPUT CURRENT

Figure 9.

Figure 10.

DC OUTPUT VOLTAGE

vs

OUTPUT CURRENT

Figure 11.

Figure 12.

10

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Product Folder Link(s): TPS61253 TPS61254 TPS61256 TPS61258

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