LP5012 datasheet(7/40 Pages) TI1

7 / 40 page

LP5009, LP5012

www.ti.com

SLVSEH2 – MAY 2019

Product Folder Links: LP5009 LP5012

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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

2.5

VUVF

Undervoltage shutdown

VVCC falling

VUV_HYS

Undervoltage shutdown hysteresis

0.2

OUTPUT STAGE (OUTx)

IMAX

Maximum sink current (OUT0–OUTx) (For

LP5012, x = 11. For LP5009, x = 8.)

VVCC in full range, Max_Current_Option =

0 (bit), PWM = 100%

25.5

Maximum sink current (OUT0–OUTx) (For

LP5012, x = 11. For LP5009, x = 8.)

VVCC ≥ 3.3 V, Max_Current_Option = 1

(bit), PWM = 100%

ILIM

Internal sink current limit (OUT0–OUTx)

(For LP5012, x = 11. For LP5009, x = 8.)

VVCC in full range, Max_Current_Option =

0 (bit), VIREF = 0 V

Internal sink current limit (OUT0–OUTx)

(For LP5012, x = 11. For LP5009, x = 8.)

VVCC ≥ 3.3V, Max_Current_Option=1 (bit),

VIREF = 0 V

120

Ilkg

Leakage current (OUT0–OUTx) (For

LP5012, x = 11. For LP5009, x = 8.)

PWM = 0%

0.1

µA

IERR_DD

Device to device current error,

IERR_DD=(IAVE-ISET)/ISET×100%

Channels' current are set to 10 mA. PWM

= 100%. Already includes the VIREF and

KIREF tolerance

–5%

IERR_CC

Channel to channel current error,

IERR_CC=(IOUTX-IAVE)/IAVE×100%

Channels' current are set to 10 mA. PWM

= 100%. Already includes the VIREF and

KIREF tolerance

–5%

VIREF

IREF voltage

0.7

KIREF

IREF ratio

105

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 5%

0.25

0.35

VVCC ≥ 3.3 V, Max_Current_Option = 1

(bit), output current set to 20 mA, the

voltage when the LED current has

dropped 5%

0.3

0.4

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