LTC1144 datasheet(4/12 Pages) LINER

部件名	LTC1144

功能描述	Switched-Capacitor Wide Input Range Voltage Converter with Shutdown

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制造商	LINER [Linear Technology]

网页	http://www.linear.com

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4 / 12 page

LTC1144

4

1144fa

For more information www.linear.com/LTC1144

Typical perForMance characTerisTics

Oscillator Frequency as a

Function of COSC

Oscillator Frequency

vs Temperature

Output Voltage vs Load Current

Supply Current as a Function of

Oscillator Frequency

Power Conversion Efficiency and

Supply Current vs Load Current

Output Resistance

vs Supply Voltage

Output Resistance vs

Temperature

Oscillator Frequency

vs Supply Voltage

SUPPLY VOLTAGE (V)

2

0

50

100

150

200

6

10

14

18

LTC1144 • TPC01

250

300

4

8

12

16

TA = 25°C

EXTERNAL CAPACITANCE (PIN 7 TO GND), COSC (pF)

1

10

10000

LTC1144 • TPC04

0.1

0.01

10

100

1000

100

TA = 25°C

V+ = 15V

BOOST = OPEN OR GROUND

BOOST = V+

LOAD CURRENT (mA)

0

–5

–4

–3

–2

–1

0

5

10

15

20

LTC1144 • TPC07

25

30

TA = 25°C

V+ = 5V

C1 = C2 = 10µF

BOOST = OPEN

ROUT = 90

TEMPERATURE (°C)

–55

100

120

140

25

75

LTC1144 • TPC02

80

60

–25

0

50

100

125

40

20

V+ = 5V

IL = 3mA

V+ = 15V

IL = 20mA

TEMPERATURE (°C)

–55 –25

10

100

1000

0

25

50

75

100 125

LTC1144 • TPC05

1

BOOST = V+

BOOST = OPEN OR GROUND

TA = 25°C

V+ = 15V

OSCILLATOR FREQUENCY (kHz)

0.01

100

1000

100

LTC1144 • TPC08

10

1

0.1

1

10

10000

TA = 25°C

C1 = C2 = 10µF

V+ = 15V

V+ = 5V

SUPPLY VOLTAGE (V)

2

10

100

1000

6

10

14

4

8

12

16

18

LTC1144 • TPC03

1

TA = 25°C

COSC = 0

BOOST = V+

BOOST = OPEN OR GROUND

LOAD CURRENT (mA)

0

–15

–10

–5

0

10

20

30

40

LTC1144 • TPC06

50

60

TA = 25°C

V+ = 15V

C1 = C2 = 10µF

BOOST = OPEN

ROUT = 56Ω

LOAD CURRENT (mA)

0

60

80

100

40

LTC1144 • TPC09

40

20

0

60

80

100

40

20

0

10

20

30

50

PEFF

IS

TA = 25°C

V+ = 15V

C1 = C2 = 10µF

BOOST = OPEN

(SEE TEST CIRCUIT)

类似零件编号 - LTC1144

制造商	部件名	数据表	功能描述
Linear Technology	LTC1144	235Kb / 8P	Switched-Capacitor Wide Input Range Voltage Converter with Shutdown
Linear Technology	LTC1144	196Kb / 12P	High Voltage, Low Quiescent Current
Analog Devices	LTC1144	1Mb / 14P	High Voltage Boost Charge Pump 08/19 Rev. 0
Linear Technology	LTC1144C	235Kb / 8P	Switched-Capacitor Wide Input Range Voltage Converter with Shutdown
Linear Technology	LTC1144CN8	235Kb / 8P	Switched-Capacitor Wide Input Range Voltage Converter with Shutdown

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类似说明 - LTC1144

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