LTC3206 datasheet(4/16 Pages) LINER

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LTC3206

3206f

TYPICAL PERFOR A CE CHARACTERISTICS

1.5x Mode CPO Voltage

vs Load Current

1x Mode Switch Resistance

vs Temperature

1.5x Mode Charge Pump Open-

Loop Output Resistance vs

Temperature (1.5VIN – VCPO)/ICPO

TEMPERATURE (°C)

–40

0.8

0.9

3206 G04

0.7

0.6

0.5

–15

ICPO = 100mA

VIN = 3.3V

VIN = 3.9V

VIN = 3.6V

TEMPERATURE (°C)

–40

1.50

1.75

2.00

2.25

2.50

–15

3206 G05

VIN = 3V

VCPO = 4.2V

CIN = CCPO = CFLY1 = CFLY2 = 1.6µF

LOAD CURRENT (mA)

4.4

4.6

4.8

400

3206 G06

4.2

4.0

4.3

4.5

4.7

4.1

3.9

3.8

100

200

300

500

VIN = 3V

CIN = CCPO = CFLY1 CFLY2 = 1.6µF

TA = 25°C

3.1V

3.3V

3.2V

3.6V

3.5V

3.4V

Oscillator Frequency

vs Supply Voltage

DVCC Shutdown Current

vs Input Voltage

VIN SUPPLY VOLTAGE (V)

2.7

700

800

900

1000

1100

3.0

3.3

3.6

3.9

3206 G07

4.2

4.5

TA = –40°C

TA = 85°C

TA = 25°C

DVCC VOLTAGE (V)

2.7

0.1

0.2

0.3

0.4

0.5

3.0

3.3

3.6

3.9

3206 G08

4.2

4.5

VIN = 3.6V

TA = –40°C

TA = 85°C

TA = 25°C

INPUT VOLTAGE (V)

2.7

3.0

3.3

3.6

3.9

3206 G09

4.2

4.5

DVCC = 3V

TA = –40°C

TA = 85°C

TA = 25°C

1.5x Mode Supply Current

vs ICPO (IIN – 1.5ICPO)

LOAD CURRENT (mA)

100

150

200

3206 G11

250

300

VIN = 3.6V

TA = 25°C

LED Pin Voltage for Higher LED

Currents

INPUT VOLTAGE (V)

2.7

100

150

200

250

300

3.0

3.3

3.6

3.9

3206 G10

4.2

4.5

TA = 25°C

IMS = IRGB = 0µA

1x Mode No Load Supply Current

vs Input Voltage

VIN Shutdown Current

vs Input Voltage

3206 G12

LED PIN VOLTAGE (V)

100

120

0.2

0.4

0.6

0.8

1.0

VIN = 3.6V

TA = 25°C

IMS, IRGB = 250µA

IMS, IRGB = 200µA

IMS, IRGB = 150µA

IMS, IRGB = 100µA

IMS, IRGB = 50µA

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