DLPA2000 datasheet(8/58 Pages) TI2

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DLPA2000

DLPS043B – JUNE 2014 – REVISED FEBRUARY 2018

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Electrical Characteristics (continued)

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

(1)(2))

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VBIAS REGULATOR

VBIAS

Output voltage

DC output voltage accuracy

IOUT = 2 mA

–2%

DC load regulation

VIN = 3.6 V, IOUT = 0 to 2 mA

–14

V/A

DC line regulation

VINA, VINL, VINR, VINC 2.7 to 6 V,

IOUT = 2 mA

mV/V

VRIPPLE

Output ripple

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

(see (3))

375

mVpp

IOUT

Output current

Power-good threshold

(fraction of nominal output

voltage)

VBIAS rising

86%

VBIAS falling

66%

RDIS

Output discharge resistor

Active when rail is disabled

100

COUT

Output capacitor

Recommended value (output capacitors for

VOFS / VBIAS must be equal)

110

220

tDISCHARGE < 40 µs at 2.9 V

100

110

VRST REGULATOR

VRST

Output voltage

–14

DC output voltage accuracy

IOUT = 2 mA

–3%

DC load regulation

VIN = 3.6 V, IOUT = 0 to 2 mA

V/A

DC line regulation

VINA, VINL, VINR, VINC 2.7 to 6 V,

IOUT = 2 mA

–21

mV/V

VRIPPLE

Output ripple

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

(see (3))

375

mVpp

VREF_VRST

Reference voltage

500

IOUT

Output current

Power-good threshold (fraction of

nominal output voltage)

VRST rising

90%

VRST falling

90%

RDIS

Output discharge resistor

Active when rail is disabled

±150

COUT

Output capacitor

110

220

tDISCHARGE < 70 µs at VBAT ≥ 2.7 V

100

110

LED DRIVER

VLED BUCK-BOOST

VLED

Output voltage range

1.2

5.5

Default output voltage

SW4, SW5, SW6 in OPEN position

3.5

VOVP

Output overvoltage protection

Clamps buck-boost output

5.5

VLED_OVP

Fault detection threshold

Triggers VLED_OVP interrupt

5.4

ISW

Switch current limit

3.5

4.0

4.5

RDS(ON)

MOSFET ON-resistance

Switch A (from VINL to L1)

mΩ

Switch B (from L1 to PGNDL)

Switch C (from L2 to PGNDL)

Switch D (from L2 to VLED)

ƒSW

Switching frequency

2.25

MHz

COUT

Output capacitance

2 × 22

µF

RGB STROBE CONTROLLER SWITCHES

RDS(ON)

Drain-source ON-resistance

SW4, SW5, SW6

mΩ

ILEAK

OFF-state leakage current

VDS = 5.0 V

µA

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