MSL3164BT datasheet(8/20 Pages) ATMEL

Part #	MSL3164BT

Description	16-string White & RGB LED Drivers with Adaptive Power Control, E짼PROM, and SPI/I짼C/SMBus Serial Interface

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Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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8

Atmel LED Drivers-MSL3163/MSL3164

Electrical Characteristics

(Typical Application Circuit, VIN = 5V, T

A = TMIN to TMAX, unless otherwise noted. Typical values are at VIN = 5V, TA = +25°C).

PARAMETER

SYMBOL

CONDITIONS AND NOTES

MIN

TYP

MAX

UNIT

DC ELECTRICAL CHARACTERISTICS

VIN Operating Supply Voltage

VIN

4.75

5

5.5

V

VIN Operating Supply Current

I

VIN

EN = VIN, SLEEP = 0, R

ILED =

12.7kΩ,

PHI = 240Hz,

GSC = 983.04kHz,

POWERCTRL = 0x4F,

ISTR = 0xFF,

OSCCTRL = 0x04, GSCINTEN =

0, PHIINTEN = 0,

STRnEN = 1

PWMn

=

0x7FF

18

28

mA

PWMn

=

0xFFF

24

35

VIN Shutdown Supply Current

I

SHDN

EN = GND, SDA, SCL, AD0, AD1, PWM,

PHI and GSC = GND

10

µA

VIN Sleep Current

I

SLEEP

EN = 1, SLEEP = 1, SDA, SCL, AD0, AD1,

PWM, PHI and GSC = GND or VDD

1.5

mA

VDD Regulation Voltage

VDD

2.4

2.5

2.6

V

Input High Voltage: SDA, SCL, PWM,

PHI, GSC, MOSI, CSB

V

IH

0.7 x

VDD

V

Input Low Voltage: SDA, SCL, PWM, PHI,

GSC, MOSI, CSB

V

IL

0.3 x

VDD

V

Input High Voltage: EN

1.22

V

Input Low Voltage: EN

0.8

V

Output High Voltage: PHI, GSC, MISO

V

OH

I

SOURCE = 5mA

VIN –

0.4

V

Output Low Voltage: PHI, GSC, SDA,

MISO, FLTB

V

OL

I

SINK = 5mA

0.4

V

ILED Regulation Voltage

RILED = 12.7kΩ

350

mV

FBI Feedback Input Current

0

365

μA

FBO Feedback Output Current Range

V

FBO ≤ VIN – 0.5V

0

365

μA

FBO Feedback Output Current Step Size

1.1

μA

FBI Input Disable Threshold

50

mV

STR0 thru STR15 Sink Current

RILED = 12.7kΩ, ISTR = 0xFF, V

STRn = 1V

55

60

67

mA

STR0 thru STR15 Sink Current Maximum

R

ILED = 7.68kΩ, ISTR = 0xFF (Note 1)

100

mA

STR0 thru STR15 Current Load

Regulation

RILED = 12.7kΩ; ISTR = 0xFF,

FLDBKEN = 0, VSTRn = 1V to 5V

0.033

%/V

STR0 thru STR15 Current Matching

RILED = 12.7kΩ, ISTR = 0x7F, V

STRn = 1V

-5

5

%

STR0 thru STR15 Minimum Headroom

V

STR

RILED = 12.7kΩ; ISTR = 0xFF

0.5

V

STR0 thru STR15 Short Circuit Fault

Detection Threshold

SC

REF

3.5

V

STR0 thru STR15 Current Slew Rate

Current rising (Note 2)

608

mA/µs

Current falling (Note 2)

10868

Thermal Shutdown Temperature

(Note 2)

135

°C

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