LTC3203-1_15 datasheet(4/16 Pages) LINER

Part #	LTC3203-1

Description	500mA Output Current Low Noise Dual Mode Step-Up Charge Pumps

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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LTC3203/LTC3203-1

LTC3203B/LTC3203B-1

4

32031fa

TYPICAL PERFOR A CE CHARACTERISTICS

VOUT vs Supply Voltage

(5V Output Setting)

Open-Loop Output Resistance

vs Temperature

Short-Circuit Current

vs Supply Voltage

Oscillator Frequency

vs Supply Voltage

TA = 25°C, VIN = 3.6V, C1 = C2 = 2.2µF unless otherwise specified

VOUT vs Load Current

(4.5V Output Setting)

VOUT vs Supply Voltage

(4.5V Output Setting)

VOUT vs Load Current

(5V Output Setting)

ILOAD (mA)

0

4.65

4.60

4.55

4.50

4.45

4.40

4.35

4.30

4.25

400

3203 G01

100

200

300

500

350

50

150

250

450

1.5x MODE

2x MODE

VIN = 3.6V

VIN = 3.3V

VIN = 3V

VIN = 2.7V

ILOAD (mA)

0

4.7

5.1

5.5

400

3203 G02

4.3

3.9

4.5

4.9

5.3

4.1

3.7

3.5

100

50

200

150

300 350

450

250

500

VIN = 3.3V

VIN = 3V

VIN = 3.6V

VIN = 2.7V

1.5x MODE

2x MODE

VIN (V)

2.5

3.0

3.2

3.6

3.8

4.0

4.5

4.8

3203 G03

3.4

3.5

3

5

4

5.5

4.2

4.4

4.6

ILOAD = 0mA

ILOAD = 500mA

ILOAD = 250mA

1.5x MODE

2x MODE

ILOAD = 0mA

ILOAD = 500mA

VIN (V)

2.5

5.4

5.2

5.0

4.8

4.6

4.4

4.2

4.0

45

3203 G04

3

3.5

4.5

5.5

ILOAD = 250mA

1.5x MODE

2x MODE

TEMPERATURE (

°C)

–40

1.5

2.0

2.5

60

3203 G06

1.0

0.5

0

–15

10

35

85

2x MODE

VIN = 2.7V

VOUT = 4.5V

1.5x MODE

VIN = 3.6V

VOUT = 4.5V

VIN (V)

2.5

1.4

1.2

1.0

0.8

0.6

0.4

0.2

0

45

3203 G07

3

3.5

4.5

5.5

1.5x MODE

2x MODE

VIN (V)

2.5

1400

1200

1000

800

600

400

200

0

45

3203 G08

3

3.5

4.5

5.5

1.5x MODE

2x MODE

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