DLPA2000 datasheet(8/58 Pages) TI1

8 / 58 page

DLPA2000

DLPS043A – JUNE 2014 – REVISED AUGUST 2015

www.ti.com

Electrical Characteristics (continued)

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

(1)(2))

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VBIAS REGULATOR

Output voltage

DC output voltage accuracy

IOUT = 2 mA

–2%

VBIAS

DC load regulation

VIN = 3.6 V, IOUT = 0 to 2 mA

–14

V/A

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

DC line regulation

mV/V

IOUT = 2 mA

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

VRIPPLE

Output ripple

375

mVpp

(see (3))

IOUT

Output current

Power-good threshold

VBIAS rising

86%

(fraction of nominal output

VBIAS falling

66%

voltage)

RDIS

Output discharge resistor

Active when rail is disabled

100

Recommended value (output capacitors for

110

220

VOFS / VBIAS must be equal)

COUT

Output capacitor

tDISCHARGE < 40 µs at 2.9 V

100

110

VRST REGULATOR

Output voltage

–14

DC output voltage accuracy

IOUT = 2 mA

–3%

VRST

DC load regulation

VIN = 3.6 V, IOUT = 0 to 2 mA

V/A

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

DC line regulation

–21

mV/V

IOUT = 2 mA

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

VRIPPLE

Output ripple

375

mVpp

(see (3))

VREF_VRST

Reference voltage

500

IOUT

Output current

VRST rising

90%

Power-good threshold (fraction of

nominal output voltage)

VRST falling

90%

RDIS

Output discharge resistor

Active when rail is disabled

±150

110

220

COUT

Output capacitor

tDISCHARGE < 70 µs at VBAT ≥ 2.7 V

100

110

LED DRIVER

VLED BUCK-BOOST

Output voltage range

1.2

5.5

VLED

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

Switch A (from VINL to L1)

Switch B (from L1 to PGNDL)

RDS(ON)

MOSFET ON-resistance

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

ILEAK

OFF-state leakage current

VDS = 5.0 V

µA

Submit Documentation Feedback

Product Folder Links: DLPA2000

DLPA2000 Datasheet(PDF) 8 Page - Texas Instruments

DLPA2000 Datasheet(HTML) 8 Page - Texas Instruments

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58

Datasheet Download

Link URL