LTC3206EUF datasheet(2/16 Pages) LINER

2 / 16 page

LTC3206

3206f

VIN, DVCC, CPO to GND............................... – 0.3V to 6V

SDA, SCL, ENRGB/S ................. – 0.3V to (DVCC + 0.3V)

ICPO (Continuous) (Note 4) ................................ 400mA

(Pulsed at 10% Duty Cycle) (Note 4) ..................... 1A

IMAIN1-4, ISUB1,2, IAUX 1, 2 (Note 4) ..................... 100mA

(Pulsed at 10% Duty Cycle) (Note 4) .............. 125mA

IRED,GREEN,BLUE (Note 4) ..................................... 100mA

(Pulsed at 10% Duty Cycle) (Note 4) .............. 125mA

IMS, IRGB (Note 4) .................................................. 1mA

CPO Short-Circuit Duration ............................ Indefinite

Operating Temperature Range (Note 2) .. – 40°C to 85°C

Storage Temperature Range ................. – 65°C to 125°C

ORDER PART

NUMBER

Consult LTC Marketing for parts specified with wider operating temperature ranges.

LTC3206EUF

ABSOLUTE

AXI U

RATI GS

PACKAGE/ORDER I FOR ATIO

(Note 1)

ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. VIN = 3.6V, DVCC = 3V unless otherwise noted.

TJMAX = 125°C, θJA = 37°C/W, θJC = 2°C/W

EXPOSED PAD IS PGND (PIN 25)

MUST BE SOLDERED TO PCB

24 23 22 21 20 19

TOP VIEW

UF PACKAGE

24-LEAD (4mm × 4mm) PLASTIC QFN

10 11 12

SUB1

SUB2

C2–

C1–

C1+

C2+

BLUE

GREEN

RED

VIN

CPO

SGND

UF PART

MARKING

3206

SYMBOL PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Input Power Supply

VIN Operating Voltage

●

2.7

4.5

DVCC Operating Voltage

●

1.5

5.5

VIN Operating Current

ICPO = IMS = IRGB = 0µA, Direct-Connect Mode

180

µA

ICPO = IMS = IRGB = 0µA, 1.5x Step-Up Mode

3.9

DVCC Operating Current

Serial Port Idle

µA

VIN Shutdown Current

7.3

µA

DVCC Shutdown Current

µA

White LED Current (MAIN1-MAIN4, SUB1, SUB2, AUX1, AUX2)

IMS Servo Voltage

25µA < IMS < 75µA

0.585

0.6

0.615

● 0.582

0.6

0.618

Full-Scale LED Current Ratio (ILED/IMS) MAIN1-MAIN4, SUB1, SUB2, AUX1, AUX2, Voltage = 1V ●

368

400

432

mA/mA

LED Dropout Voltage

1.5x Mode Switch Threshold, ILED = 20mA

LED Brightness Range

0.78

100

LED Current Matching

MAIN-MAIN, MAIN-AUX, SUB-SUB, SUB-AUX

RGB LED Current (RED, GREEN, BLUE)

IRGB Servo Voltage

25µA < IRGB < 75µA

0.585

0.6

0.615

● 0.582

0.6

0.618

LED Current Ratio (ILED/IRGB)

RED, GREEN, BLUE Voltage = 1V

360

400

440

mA/mA

RGB LED Dropout Voltage

1.5x Mode Switch Threshold, ILED = 20mA

RGB PWM (Duty Factor) Range

0/15

15/15

Charge Pump (CPO)

1x Mode Output Impedance

0.68

Ω

1.5x Mode Output Impedance

VIN = 3V, VCPO = 4.2V (Note 3)

1.90

Ω

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