TPS62050DGS datasheet(6/30 Pages) TI1

6 / 30 page

800

810

820

830

840

850

860

870

880

890

900

−40

−20

100

TA − Free-Air Temperature − °C

2.7 V

3.6 V

7.2 V

5 V

TPS62050, TPS62051, TPS62052, TPS62054, TPS62056

SLVS432F – SEPTEMBER 2002 – REVISED JUNE 2015

www.ti.com

Electrical Characteristics (continued)

VI = 7.2 V, VO = 3.3 V, IO = 300 mA, EN = VI, TA = –40°C to 85°C (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

TPS62052

VI = 2.7 V to 10 V, 0 mA < IO < 600 mA

–3%

Fixed output voltage

TPS62054

VI = 2.7 V to 10 V, 0 mA < IO < 600 mA

–3%

tolerance(1)

TPS62056

VI = 3.75 V to 10 V, 0 mA < IO < 600 mA

–3%

Resistance of internal voltage divider for fixed-voltage

700

1000

1300

Ω

versions

Line regulation

VO = 3.3 V, VI = 5 V to 10 V, IO = 600 mA

5.2

mV/V

Load regulation

VI = 7.2 V; IO = 10 mA to 600 mA

0.0045

%/mA

VI = 5 V; VO = 3.3 V; IO = 300 mA

93%

Efficiency

VI = 3.6 V; VO = 2.5 V; IO = 200 mA

93%

Duty cycle range for main switches

100%

Minimum ton time for main switch

100

Shutdown temperature

145

°C

IO = 200 mA, VI = 5 V, Vo = 3.3 V,

Start-up time

Co = 22 µF, L = 10 µH

(1)

The worst case RDS(ON) of the PMOS in 100% mode for an input voltage of 3.3 V is 0.75 Ω. This value can be used to determine the

minimum input voltage if the output current is less than 600 mA with the TPS62056.

8.6 Typical Characteristics

Figure 1. Switching Frequency vs Free-Air Temperature

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Product Folder Links: TPS62050 TPS62051 TPS62052 TPS62054 TPS62056

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