DLPA2000 datasheet(6/58 Pages) TI1

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DLPA2000

DLPS043A – JUNE 2014 – REVISED AUGUST 2015

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6.5 Thermal Information

DLPA2000

THERMAL METRIC(1)

UNIT

DSBGA (56 PINS)

RθJA

Junction-to-ambient thermal resistance(2)

°C/W

(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.

6.6 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

2.7

3.6

VINA, VINR, VINL, VINC

Extended input voltage range(1)

2.3

3.6

Low-battery warning threshold

VINA falling

VLOW_BAT

Hysteresis

VINA rising

100

Undervoltage lockout threshold

VINA falling (through 5-bit trim function)

2.3

4.5

Vhys(UVLO)

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

Switch E (from VINR to SWN)

1000

RDS(ON)

MOSFET ON-resistance

Switch F (from SWP to PGNDR)

320

Switch G(2) (from SWP to VBIAS[2])

1.3

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

VFW

Forward voltage drop

Switch H (from SWP to VOFS)

1.3

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

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

Output voltage

DC output voltage accuracy

IOUT = 2 mA

–2%

VOFS

DC load regulation

VIN = 3.6 V, IOUT = 0 to 2 mA

–19

V/A

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

DC line regulation

mV/V

2 mA

VRIPPLE

Output ripple

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

(3)

375

mVpp

IOUT

Output current

(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.

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