LP5018 datasheet(7/49 Pages) TI1

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LP5018, LP5024

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SLVSEB8 – MARCH 2018

Product Folder Links: LP5018 LP5024

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7.5 Electrical Characteristics

over operating ambient temperature range (–40°C < TA< 85°C) (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

POWER SUPPLIES (VCC)

VVCC

Supply voltage

2.7

5.5

IVCC

Shutdown supply current

VEN = 0 V

0.2

µA

Standby supply current

VEN = 3.3 V, Chip_EN = 0 (bit)

Normal-mode supply current

With 10-mA LED current per OUTx

Power-save mode supply current

VEN = 3.3 V, Chip_EN = 1 (bit),

Power_Save_EN = 1 (bit), all the

LEDs off duration > tPSM

µA

VUVR

Undervoltage restart

VVCC rising

2.3

VUVF

Undervoltage shutdown

VVCC falling

2.1

VUV_HYS

Undervoltage shutdown hysteresis

0.1

OUTPUT STAGE (OUTx)

IMAX

Maximum sink current (OUT0 –

OUT23)

VVCC in full range,

Max_Current_Option = 0 (bit), PWM

= 100%

25.5

Maximum sink current (OUT0 –

OUT23)

VVCC ≥ 3.3 V, Max_Current_Option

= 1 (bit), PWM = 100%

ILIM

Internal sink current limit (OUT0 –

OUT23)

VVCC in full range,

Max_Current_Option = 0 (bit), VIREF

= 0 V

Internal sink current limit (OUT0 –

OUT23)

VVCC ≥ 3.3V,

Max_Current_Option=1 (bit), VIREF =

0 V

110

ILKG

Leakage current (OUT0 – OUT23)

PWM = 0%

0.1

µA

IERR_DD

Device to device current error,

IERR_DD=(IAVE-ISET)/ISET×100

All channels' current set to 15mA.

PWM = 100%. Already includes the

VIREF and KIREF tolerance

–7%

IERR_CC

Channel to channel current error,

IERR_CC=(IOUTX-IAVE)/IAVE×100

All channels' current set to 15 mA.

PWM = 100%. Already includes the

VIREF and KIREF tolerance

–7%

VIREF

IREF voltage

0.7

KIREF

IREF ratio

100

ƒPWM

PWM switching frequency

kHz

VSAT

Output saturation voltage

VVCC in full range,

Max_Current_Option = 0 (bit), output

current set to 20 mA, the voltage

when the LED current has dropped

0.24

VVCC ≥ 3.3 V, Max_Current_Option

= 1 (bit), output current set to 20

mA, the voltage when the LED

current has dropped 5%

0.28

LOGIC INPUTS (EN, SCL, SDA, ADDRx)

VIL

Low level input voltage

0.4

VIH

High level input voltage

1.4

ILOGIC

Input current

–1

µA

VSDA

SDA output low level

IPULLUP = 5 mA

0.4

PROTECTION CIRCUITS

T(TSD)

Thermal-shutdown junction

temperature

160

°C

T(HYS)

Thermal shutdown temperature

hysteresis

°C

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