MAX17061AETI+ datasheet(4/24 Pages) MAXIM

Part #	MAX17061AETI+

Description	8-String White LED Driver with SMBus for LCD Panel Applications

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Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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4 / 24 page

8-String White LED Driver with

SMBus for LCD Panel Applications

4

_______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS (continued)

(Circuit of Figure 1. VIN = 12V, CCCV = 0.022µF, RCCV = 5.1kΩ, VISET = VOSC = VDD = VCC = 5V, RFSET = 464kΩ, VPWMI = GND,

TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

PWM FILTER

PWM Output Impedance

20

40

60

k

RFSET = 464k

197

200

203

RFSET = 113k

750

785

820

Hz

RFSET = 65k

1.270

1.335

1.400

DPWM Oscillator Frequency

RFSET = 42k

2

kHz

PWMI Input Frequency Range

5

10

100

kHz

PWMI Full-Range Accuracy

5

LSB

PWMI duty cycle = 100%

98

100

PWMI duty cycle = 50%

48

50

52

PWMI Brightness Setting

PWMI duty cycle = 0%

2.6

2.7

2.8

%

SMBus TIMING SPECIFICATION

SMBus Frequency

FSMB

10

100

kHz

Bus Free Time

TBUF

4.7

μs

START Condition Hold Time

from SCL

THD:STA

4

μs

START Condition Setup Time

from SCL

TSU:STA

4.7

μs

STOP Condition Setup Time

from SCL

TSU:STO

4

μs

SDA Hold Time from SCL

THD:DAT

300

μs

SDA Setup Time from SCL

TSU:DAT

250

μs

SCL Low Period

TLOW

4.7

μs

SCL High Period

THIGH

4

μs

ELECTRICAL CHARACTERISTICS

(Circuit of Figure 1, VIN = 12V, CCCV = 0.022µF, RCCV = 5.1kΩ, VISET = VOSC = VDD = VCC, 5V = RFSET = 464kΩ, VPWMI = GND,

TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

IN Input Voltage Range

7.5

26

V

Rising edge

7.08

7.32

IN UVLO Threshold

Falling edge

6.86

7.1

V

IN Pin Input Current

VIN = 26V

MAX17061A is enabled

110

μA

VCC Input Voltage

4.5

5.5

V

VCC UVLO Threshold

Rising edge, typical hysteresis = 10mV

4.00

4.45

V

VCC Quiescent Current

MAX17061A is enabled

2

mA

VCC Shutdown Current

MAX17061A is disabled

10

μA

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