TPS62300 datasheet(5/37 Pages) TI

Part #	TPS62300

Description	500-mA, 3-MHz SYNCHRONOUS STEP-DOWN CONVERTER IN CHIP SCALE PACKAGING

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Manufacturer	TI [Texas Instruments]

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TPS62300, TPS62301, TPS62302

TPS62303, TPS62304, TPS62305,

TPS62311, TPS62313, TPS62315, TPS62320, TPS62321

SLVS528E – JULY 2004 – REVISED NOVEMBER 2007

ELECTRICAL CHARACTERISTICS (continued)

VI = 3.6 V, VO = 1.6 V, EN = VI, MODE/SYNC = GND, L = 1 µH, CO = 10 µF, TA = -40°C to 85°C, typical values are at

TA = 25°C (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

OSCILLATOR

fSW

Oscillator frequency

2.65

3

3.35

MHz

f(SYNC)

Synchronization range

2.65

3.35

MHz

Duty cycle of external clock signal

20%

80%

OUTPUT

Adjustable output

TPS62300

VO

0.6

5.4

V

voltage range

TPS62320

Regulated feedback

TPS62300

V(FB)

0.4

V

voltage

TPS62320

DC power train amplification

A(PT)

1.496

1.5

1.504

(VO/V(ADJ))

Minimum on-time (P-channel

ton(MIN)

35

ns

MOSFET)

Resistance into VOUT sense pin

700

1000

k

Ω

Resistance into ADJ pin

V(FB) > 0.4 V

700

1000

1300

k

Ω

Feedback input bias

TPS62300

I(FB)

V(FB) = 0.4 V

1

nA

current

TPS62320

Adjustable output

TPS62300

–2%

+2%

voltage(1)

TPS62320

TPS6230x

TPS62311

–2%

+2%

2.7 V

≤ VI ≤ 6 V, 0 mA ≤ IO(DC) ≤ 500 mA

TPS62313

PFM/PWM mode operation

TPS6232x

Fixed output voltage

TPS62304

-2%

+2.5%

TPS62305

–2%

+2.7%

TPS62315

TA = 25°C

–0.5%

+1.3%

Adjustable output

TPS62300

VO

voltage dc accuracy(1)

TPS62320

–40

°C ≤ T

A ≤ 85°C

–0.5%

+1.3%

TPS6230x

TA = 25°C

–0.5%

+1.3%

TPS62311

TPS62313

–40

°C ≤ T

A ≤ 85°C

–0.5%

+1.3%

PWM mode operation,

TPS6232x

VI = 3.6 V, No Load

Fixed output voltage

TA = 25°C

-0.5%

+1.8%

dc accuracy

TPS62304

–40

°C ≤ T

A ≤ 85°C

-0.5%

+1.8%

TA = 25°C

–0.3%

+1.7%

TPS62305

TPS62315

–40

°C ≤ T

A ≤ 85°C

–0.5%

+2%

DC output voltage load regulation

IO = 0 mA to 500 mA, MODE/SYNC = VI

–0.001

–0.002

%/mA

DC output voltage load regulation

V(ADJ) externally forced to 1.067 V,

–0.0003

–0.0006

%/mA

(power train in direct drive mode)

IO = 0 mA to 500 mA, MODE/SYNC = VI

VI = VO + 0.5 V (min 2.7 V) to

DC output voltage line regulation

0.11

0.2

%/V

6 V, IO = 100 mA, MODE/SYNC = VI

V(ADJ) externally forced to 1.067 V,

DC output voltage line regulation

VI = VO + 0.5 V (min 2.7 V) to 6 V

0.035

0.1

%/V

(power train in direct drive mode)

IO = 100 mA, MODE/SYNC = VI

Integrator slew rate

100

150

200

µV/µs

ΔVO

Power-save mode ripple voltage

IO = 1 mA, MODE/SYNC = GND

0.025 VO

VP-P

Start-up time

IO = 200 mA, Time from active EN to VO

250

µs

Leakage current into SW pin

VI > VO, 0 V ≤ V(SW) ≤ VIN, EN = GND

0.1

1

Ilkg

µA

Reverse leakage current into SW pin

VI = open, V(SW) = 6 V, EN = GND

0.1

1

(1)

Output voltage specification for the adjustable version does not include tolerance of external voltage programming resistors.

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Product Folder Link(s): TPS62300, TPS62301, TPS62302 TPS62303, TPS62304, TPS62305, TPS62311, TPS62313,

TPS62315, TPS62320, TPS62321

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