MAX1707 查看數據表（PDF） - Maxim Integrated

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MAX1707

Light-Management IC with Efficient 1x/1.5x/2x Charge Pump for Backlight/Flash/RGB LEDs

Maxim Integrated 

Light-Management IC with Efficient 1x/1.5x/2x

Charge Pump for Backlight/Flash/RGB LEDs

ELECTRICAL CHARACTERISTICS (continued)

(VIN = VPIN = VDD = 3.6V, VGND = VPGND = 0V, temperature derating disabled, TA = -40°C to +85°C, typical values are at TA =

+25°C, unless otherwise noted.) (Note 1)

PARAMETER

Input Voltage Mode Transition Hysteresis

M_, S_, F_ Leakage in Shutdown

OUT Pulldown Resistance in Shutdown

Maximum OUT Current

Open-Loop OUT Resistance

Switching Frequency

S1, S2, S3 (RGB) Full-Scale Ramp Time

Logic-Input High Voltage

Logic-Input Low Voltage

Logic-Input Current

SDA Output Low Voltage

I2C Clock Frequency

Bus-Free Time Between START and STOP

Hold Time Repeated START Condition

SCK Low Period

SCK High Period

Setup Time Repeated START Condition

SDA Hold Time

SDA Setup Time

Setup Time for STOP Condition

Thermal Shutdown

Thermal-Shutdown Hysteresis

CONDITIONS

All LEDs off, STB = TA = +25°C

VDD

TA = +85°C

All LEDs off, STB = VDD

VIN ≥ 3.2V, VOUT = 3.9V

1x mode (VIN - VOUT) / IOUT

1.5x mode (1.5 x VIN - VOUT) / IOUT

2x mode (2 x VIN - VOUT) / IOUT

SDA = 111xxx00

SDA = 111xxx01

SDA = 111xxx10

SDA = 111xxx11

VDD = 2.7V to 5.5V

VDD = 2.7V to 5.5V

VIL = 0V or VIH =

5.5V

ISDA = 3mA

TA = +25°C

TA = +85°C

tBUF

tHD_STA

tLOW

tHIGH

tSU_STA

tHD_DAT

tSU_DAT

tSU_STO

MIN

610

VDD / 2

TYP

150

0.01

0.1

5

0.5

1.5

2.0

1

29

218

219

220

0.01

0.1

0.03

1.3

0.6

0.1

1.3

0.2

0.6

0.2

0.6

0.1

0

-0.01

100

50

0.6

0.1

+160

20

MAX

1

2.5

3.5

4.1

0.4

1

0.4

400

UNIT

mV

µA

kΩ

mA

Ω

MHz

µs

V

V

µA

V

kHz

µs

µs

µs

µs

µs

µs

ns

µs

°C

°C

Note 1: All devices are 100% production tested at TA = +25°C. Limits over the operating temperature range are guaranteed

by design.

Note 2: LED current specification includes both accuracy and matching tolerance.

Note 3: Dropout voltage is defined as the M2 or F3 to GND voltage at which current into M2 or F3 drops 10% from the value at 0.2V.

All other current regulators are tested functionally by the accuracy test and guaranteed for low dropout by design.

_______________________________________________________________________________________ 3

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