LTC3204-3.3 datasheet(4/12 Pages) LINER

Part #	LTC3204-3.3

Description	Low Noise Regulated Charge Pump in 2 2 DFN

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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LTC3204-3.3/LTC3204-5/

LTC3204B-3.3/LTC3204B-5

4

3204fa

SUPPLY VOLTAGE (V)

1.8

100

90

80

70

60

50

40

30

20

10

0

2.2

2.6

2.8

2.0

2.4

3.0

3.2

TEMPERATURE (

°C)

–50

0

50

100

6

7

5

9

3204 G09

VIN = 1.8V

VOUT = 3V

3204 G12

3204 G14

3204 G13

3204 G15

3204 G07

SUPPLY VOLTAGE (V)

400

350

300

250

200

150

100

50

0

3204 G08

1.5

2.0

2.5

3.0

3.5

8

IOUT = 1mA

THEORETICAL MAX

IOUT = 30mA

LOAD CURRENT (mA)

0

3.35

3.30

3.25

3.20

3.15

3.10

3.05

100

200

300

400

500

VIN = 1.8V

VIN = 2.4V

VIN = 3.2V

VOUT = 3.168V

TA = 25°C

TA = 90°C

TA = –45°C

SUPPLY VOLTAGE (V)

1.8

44

46

50

52

54

64

58

2.2

2.6

2.8

3204 G10

48

60

62

56

0

0.2

0.6

0.8

1.0

2.0

1.4

0.4

1.6

1.8

1.2

2

2.4

3

3.2

LTC3204B-3.3

LTC3204-3.3

LOAD CURRENT (mA)

0.01

0.1

1

0.01

0.1

1

10

100

3204 G11

10

1000

LTC3204B-3.3

(NON-BURST MODE

OPERATION)

LTC3204-3.3

(BURST MODE

OPERATION)

VIN = 2.4V

VOUT Soft-Start Response

Output Ripple

Load Transient Response

No-Load Input Current vs

Supply Voltage

Extra Input Current vs Load Current

(IIN-2ILOAD)

Effective Open-Loop Output

Resistance vs Temperature

(TA = 25°C, CFLY = CIN = COUT = 2.2µF unless otherwise speciﬁed)

Load Regulation

Output Load Capability at 4%

Below Regulation

(LTC3204-3.3/LTC3204B-3.3 ONLY)

VOUT

20mV/DIV

(AC COUPLED)

IOUT

50mA

30mA

10µs/DIV

VOUT

2V/DIV



SHDN

2V/DIV

500µs/DIV

VOUT

20mV/DIV

(AC COUPLED)

500ns/DIV

VIN = 2.4V

ILOAD = 50mA

VIN = 2.4V

ILOAD = 50mA

VIN = 2.4V

IOUT = 30mA TO 50mA STEP

3204 G13

3204 G14

3204 G15

Efﬁciency vs Supply Voltage

TYPICAL PERFOR A CE CHARACTERISTICS

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LTC3204-3.3 Datasheet(PDF) 4 Page - Linear Technology

LTC3204-3.3 Datasheet(HTML) 4 Page - Linear Technology

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