TLC5924 datasheet(3/23 Pages) TI

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RECOMMENDED OPERATING CONDITIONS—AC Characteristics

ELECTRICAL CHARACTERISTICS

TLC5924

SLVS626 – JUNE 2006

CC = 3 V to 5.5 V, TA = -40°C to 85°C (unless otherwise noted)

MIN

TYP

MAX

UNIT

fSCLK

Clock frequency

SCLK

MHz

twh0, twl0 CLK pulse duration

SCLK=H/L

twh1

XLAT pulse duration

XLAT=H

tsu0

SIN to SCLK

↑(1)

tsu1

SLCK

↑ to XLAT↓(dot correction data)

tsu1a

Setup time

SCLK

↑to XLAT↑ (ON/OFF data)

tsu2

MODE

↑↓ to SCLK↑

tsu3

MODE

↑↓ to XLAT↑

th0

SCLK

↑ to SIN

th1

XLAT

↓ to SCLK↑ (dot correction data)

th1a

Hold time

XLAT

↑ to SCLK↑ (ON/OFF data)

th2

SCLK

↑to MODE↑↓

th3

XLAT

↓ to MODE↑↓

(1)

↑" and "↓" indicates a rising edge, and a falling edge respectively.

CC = 3 V to 5.5 V, TA = –40°C to 85°C (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VOH

High-level output voltage

IOH = –1 mA, SOUT

VCC– 0.5

VOL

Low-level output voltage

IOL = 1 mA, SOUT

0.5

Input current

VI = VCC or GND, BLANK, XLAT, SCLK, SIN, MODE

–1

µA

No data transfer, All output OFF, VO = 1 V, R(IREF) = 10

Ω

No data transfer, All output OFF, VO = 1 V, R(IREF) = 1.3

Ω

ICC

Supply current

Data transfer 30 MHz, All output ON, VO = 1 V,

R(IREF) = 1.3 kΩ

Data transfer 30 MHz, All output ON, VO = 1 V,

65(1)

R(IREF) = 600 Ω

IOLC

Constant sink current

All output ON, VO = 1 V, R(IREF) = 600 Ω

All output OFF, VO = 15 V, R(IREF) = 600 Ω, OUT0 to

ILO0

0.1

µA

OUT15

Leakage output current

ILO1

VXERR = 5.5 V, No TEF and LOD

µA

∆I

OLC0

Constant sink current error

All output ON, VO = 1 V, R(IREF) = 600 Ω, OUT0 to OUT15

±1%

± 4%

device to device, averaged current from OUT0 to OUT15,

∆I

OLC1

Constant sink current error

±4%

±8.5%

R(IREF) = 600 Ω

All output ON, VO = 1 V, R(IREF) = 600 Ω,

∆I

OLC2

Line regulation

±1

±4

%/V

OUT0 to OUT15, VCC = 3 V to 5.5 V

All output ON, VO = 1 V to 3 V, R(IREF) = 600 Ω,

∆I

OLC3

Load regulation

±2

±6

%/V

OUT0 to OUT15

R(ON)

Pre-charge FET on-resistance

VUP = 3 V, VO = 0 V, OUT0 to OUT15

Ω

T(TEF)

Thermal error flag threshold

Junction temperature, rising temperature(2)

150

160

180

°C

V(LOD)

LED open detection threshold

0.3

0.4

V(IREF) Reference voltage output

R(IREF) = 600 Ω

1.20

1.24

1.28

(1)

Measured at device start-up temperature. Once the IC is operating (self heating), lower ICC values will be seen. See Figure 20.

(2)

Not tested. Specified by design.

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