TPS7A6301-Q1 datasheet(5/41 Pages) TI1

No de pièce	TPS7A6301-Q1

Description	300-mA 40-V Low-Dropout Regulator With Ultra-Low IQ

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Fabricant	TI1 [Texas Instruments]

Site Internet	http://www.ti.com

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TPS7A6301-Q1, TPS7A6333-Q1, TPS7A6350-Q1, TPS7A6401-Q1

www.ti.com

SLVSAB1E – JUNE 2011 – REVISED SEPTEMBER 2015

6.4 Thermal Information

TPS7A6401-Q1

TPS7A63xx-Q1

THERMAL METRIC(1)

UNIT

PWP (HTTSOP)

DRK (VSON)

14 PINS

10 PINS

RθJA

Junction-to-ambient thermal resistance

46

36.5

°C/W

RθJC(top)

Junction-to-case (top) thermal resistance

32.6

36.6

°C/W

RθJB

Junction-to-board thermal resistance

27.4

11.6

°C/W

ψJT

Junction-to-top characterization parameter

1.2

0.5

°C/W

ψJB

Junction-to-board characterization parameter

27.2

11.7

°C/W

RθJC(bot)

Junction-to-case (bottom) thermal resistance

2.5

3.8

°C/W

(1)

For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application

report, SPRA953.

6.5 Electrical Characteristics

VIN = 14 V, TJ = –40ºC to 150ºC (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

INPUT VOLTAGE (VIN PIN)

VOUT +

VIN

Input voltage

VOUT = 2.5 V to 7 V, IOUT = 1 mA

40

V

0.3 V

VIN = 8.2 V to 18 V, VEN = 5 V,

IQUIESCENT

Quiescent current

35

µA

IOUT = 0.01 mA to 0.75 mA

VIN = 8.2 V to 18 V, VEN < 0.8 V,

ISLEEP

Sleep or shutdown current

3

µA

IOUT = 0 mA (no load), TA = 125°C

Undervoltage lockout

VIN-UVLO

Ramp VIN down until output is turned OFF

3.16

V

voltage

VIN(POWERUP)

Power-up voltage

Ramp VIN up until output is turned ON

3.45

V

DEVICE ENABLE INPUT (EN PIN)

VIL

Logic-input low level

0

0.8

V

VIH

Logic-input high level

2.5

40

V

REGULATED OUTPUT VOLTAGE (VOUT PIN)

Fixed VOUT value (3.3 V, 5 V or a programmed value),

VOUT

Regulated output voltage

–2%

2%

IOUT = 10 mA to 200 mA, VIN = VOUT + 1 V to 16V

VIN = 6 V to 28 V, IOUT = 10 mA, VOUT = 5 V

15

mV

ΔVLINE-REG

Line regulation

VIN = 6 V to 28 V, IOUT = 10 mA, VOUT = 3.3 V

20

mV

IOUT = 10 mA to 200 mA, VIN= 14 V, VOUT = 5 V

25

mV

ΔVLOAD-REG

Load regulation

IOUT = 10 mA to 200 mA, VIN = 14 V, VOUT = 3.3 V

35

mV

IOUT = 200 mA

500

mV

Dropout voltage

VDROPOUT

(VIN – VOUT)

IOUT = 150 mA

300

mV

RSW

(1)

Switch resistance

VIN to VOUT resistance

2

Ω

VOUT in regulation

0

200

mA

IOUT

Output current

[VOUT in regulation, VOUT = 3.3 V, VIN = 6 V]

(2)

0

300

mA

ICL

Output current limit

VOUT = 0 V (VOUT pin is shorted to ground)

350

1000

mA

VIN-RIPPLE = 0.5 Vpp, IOUT = 200 mA, frequency = 100

60

Hz, VOUT = 5 V and VOUT = 3.3 V

Power-supply ripple

PSRR(3)

dB

rejection

VIN-RIPPLE = 0.5 Vpp, IOUT = 200 mA, frequency = 150

30

kHz, VOUT = 5 V and VOUT = 3.3 V

RESET (nRST PIN)

VOL

Reset pulled low

IOL = 5 mA

0.4

V

(1)

This test is done with VOUT in regulation, measuring the VIN – VOUT parameter when VOUT drops by 100 mV from the programmed value

(of VOUT) at specified loads.

(2)

Design Information - not tested; specified by characterization.

(3)

Specified by design - not tested.

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Product Folder Links: TPS7A6301-Q1 TPS7A6333-Q1 TPS7A6350-Q1 TPS7A6401-Q1

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