DLPA2000 datasheet(6/58 Pages) TI2

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DLPA2000

DLPS043B – JUNE 2014 – REVISED FEBRUARY 2018

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(1)

For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.

(2)

Estimated when mounted on high K JEDEC board per JESD 51-7 with thickness of 1.6 mm, 4 layers, size of 76.2 mm × 114.3 mm, and

2-oz. copper for top and bottom plane. Actual thermal impedance will depend on PCB used in the application.

6.5 Thermal Information

THERMAL METRIC(1)

DLPA2000

UNIT

YFF (DSBGA)

56 PINS

RθJA

Junction-to-ambient thermal resistance(2)

°C/W

(1)

Fully functional but limited parametric performance

(2)

Including rectifying diode

(3)

To reduce ripple the COUT can be increased. VRIPPLE is inversely proportional to COUT.

6.6 Electrical Characteristics

over operating free-air temperature range (unless otherwise noted) (see

(1) (2))

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

SUPPLIES

INPUT VOLTAGE

Input voltage range

VINA, VINR, VINL, VINC

2.7

3.6

Extended input voltage range(1)

2.3

3.6

VLOW_BAT

Low-battery warning threshold

VINA falling

Hysteresis

VINA rising

100

Vhys(UVLO)

Undervoltage lockout threshold

VINA falling (through 5-bit trim function)

2.3

4.5

Hysteresis

VINA rising

100

VSTARTUP

Startup voltage

VBIAS, VOFS, VRST; loaded with 2 mA

2.5

INPUT CURRENT

ACTIVE mode

Motor current excluded

ISTD

STANDBY mode

900

µA

IIDLE

IDLE mode

µA

INTERNAL SUPPLIES

VV6V

Internal supply, analog

6.25

CLDO_V6V

Filter capacitor for V6V LDO

100

VV2V5

Internal supply, logic

2.5

CLDO_V2V5

Filter capacitor for V2V5 LDO

2.2

µF

DMD REGULATOR

RDS(ON)

MOSFET ON-resistance

Switch E (from VINR to SWN)

1000

mΩ

Switch F (from SWP to PGNDR)

320

VFW

Forward voltage drop

Switch G(2) (from SWP to VBIAS)

VINR = 5 V, VSWP = 2 V, IF = 100 mA

1.3

Switch H (from SWP to VOFS)

VINR = 5 V, VSWP = 2 V, IF = 100 mA

1.3

tDIS

Rail discharge time

VIN = 2.9 V; COUT = 110 nF

µs

tPG

Power-good timeout

Not tested in production

ILIMIT

Switch current limit

312

Inductor value

µH

VOFS REGULATOR

VOFS

Output voltage

DC output voltage accuracy

IOUT = 2 mA

–2%

DC load regulation

VIN = 3.6 V, IOUT = 0 to 2 mA

–19

V/A

DC line regulation

VINA, VINL, VINR, VINC 2.7 to 6.0 V, IOUT =

2 mA

mV/V

VRIPPLE

Output ripple

VIN = 3.6 V, IOUT = 2 mA, COUT = 440 nF

(3)

375

mVpp

IOUT

Output current

DLPA2000 Datasheet(PDF) 6 Page - Texas Instruments

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