TPS62040DRC datasheet(3/30 Pages) TI1

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TPS62040

TPS62042, TPS62043

TPS62044, TPS62046

SLVS463B − JUNE 2003 − REVISED OCTOBER 2005

www.ti.com

ELECTRICAL CHARACTERISTICS

VI = 3.6 V, VO = 1.8 V, IO = 600 mA, EN = VIN, TA = −40°C to 85°C, typical values are at TA = 25°C (unless otherwise noted)(1)

SUPPLY CURRENT

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Input voltage range

2.5

6.0

I(Q)

Operating quiescent current

IO = 0 mA, device is not switching

µA

ISD

Shutdown supply current

EN = GND

0.1

µA

VUVLO

Under−voltage lockout threshold

1.5

2.3

ENABLE AND MODE

VEN

EN high level input voltage

1.4

VEN

EN low level input voltage

0.4

IEN

EN input bias current

EN = GND or VIN

0.01

1.0

µA

V(MODE)

MODE high level input voltage

1.4

V(MODE)

MODE low level input voltage

0.4

I(MODE)

MODE input bias current

MODE = GND or VIN

0.01

1.0

µA

POWER SWITCH

P-channel MOSFET on−resistance

VI = VGS = 3.6 V

115

210

mΩ

rDS(ON)

P-channel MOSFET on−resistance

VI = VGS = 2.5 V

145

270

mΩ

Ilkg(P)

P-channel leakage current

VDS = 6.0 V

µA

N-channel MOSFET on−resistance

VI = VGS = 3.6 V

200

mΩ

rDS(ON)

N-channel MOSFET on−resistance

VI = VGS = 2.5 V

115

280

mΩ

IIkg(N)

N-channel leakage current

VDS = 6.0 V

µA

P-channel current limit

2.5 V < VI< 6.0 V

1.5

1.85

2.2

Thermal shutdown

150

°C

OSCILLATOR

Oscillator frequency

VFB = 0.5 V

1.25

1.5

MHz

Oscillator frequency

VFB = 0 V

625

kHz

OUTPUT

Adjustable output voltage range

TPS62040

0.7

VIN

Vref

Reference voltage

0.5

VFB

Feedback voltage

TPS62040

Adjustable

VI = 2.5 V to 6.0 V; IO= 0 mA

VI = 2.5 V to 6.0 V; 0 mA ≤ IO ≤ 1.2 A

−3%

TPS62042

1.5V

VI = 2.5 V to 6.0 V; IO = 0 mA

VI = 2.5 V to 6.0 V; 0 mA ≤ IO ≤ 1.2 A

−3%

Fixed output voltage

TPS62043

1.6V

VI = 2.5 V to 6.0 V; IO = 0 mA

VI = 2.5 V to 6.0 V; 0 mA ≤ IO ≤ 1.2 A

−3%

Fixed output voltage

TPS62044

1.8V

VI = 2.5 V to 6.0 V; IO = 0 mA

VI = 2.5 V to 6.0 V; 0 mA ≤ IO ≤ 1.2 A

−3%

TPS62046

3.3V

VI = 3.6 V to 6.0 V; IO = 0 mA

VI = 3.6 V to 6.0 V; 0 mA ≤ IO ≤ 1.2 A

−3%

Line regulation(1)

VI = VO + 0.5 V (min. 2.5 V) to 6.0 V,

IO = 10 mA

%/V

Load regulation(1)

IO = 10 mA to 1200 mA

%/mA

Leakage current into SW pin

VI>VO, 0 V ≤ Vsw ≤ VI

0.1

µA

IIkg(SW)

Reverse leakage current into pin SW

VI = open; EN = GND; VSW = 6.0 V

0.1

µA

Short circuit switching frequency

VFB = 0 V

625

kHz

(1) The line and load regulations are digitally controlled to assure an output voltage accuracy of ±3%.

TPS62040DRC Datasheet(PDF) 3 Page - Texas Instruments

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