TPS63805 datasheet(6/42 Pages) TI

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VIN= 1.8 V to 5.5 V, VOUT = 1.8 V to 5.2 V , TJ= –40°C to +125°C, typical values are at VIN= 3.6 V, VOUT = 3.3 V and TJ= 25°C

(unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Buck

RDS;ON

High-side FET on-resistance

VIN = 3 V, VOUT = 3.3 V; I(L2) = 0.19

VIN = 3 V, VOUT = 3.3

V; IO = 0.5 A

mΩ

Low-side FET on-resistance

VIN = 3 V, VOUT = 3.3 V; I(L2) = 0.19

VIN = 3 V, VOUT = 3.3

V; IO = 0.5 A

mΩ

Boost

RDS;ON

High-side FET on-resistance

VIN = 3 V, VOUT = 3.3 V; I(L1) = 0.19

VIN = 3 V, VOUT = 3.3

V; IO = 0.5 A

mΩ

Low-side FET on-resistance

VIN = 3 V, VOUT = 3.3 V; I(L1) = 0.19

VIN = 3 V, VOUT = 3.3

V; IO = 0.5 A

mΩ

fSW

Inductor Switching Frequency,

Boost Mode

VIN = 2.3V, VOUT = 3.3V, no Load, MODE = HIGH, TJ = 25°C

2.1

MHz

Inductor Switching Frequency,

Buck-Boost Mode

VIN = 3.3V, VOUT = 3.3V, no Load, MODE = HIGH, TJ = 25°C

1.4

MHz

Inductor Switching Frequency,

Buck Mode

VIN = 4.3, VOUT = 3.3V, no Load, MODE = HIGH, TJ = 25°C

1.6

MHz

Line regulation

VIN = 2.4 V to 5.5 V, VOUT = 3.3V, IOUT = 2 A

0.3

Load regulation

VIN= 3.6 V, VOUT = 3.3V, IOUT = 0 A to 2 A, forced-PWM

mode

0.1

TPS63805, TPS63806, TPS63807

SLVSDS9E – JULY 2018 – REVISED AUGUST 2021

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