LTC1550IGN datasheet(4/12 Pages) LINER

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LTC1550/LTC1551

TYPICAL PERFORMANCE CHARACTERISTICS

0mA

1ms/DIV

LTC1550/51 • G07

Load Transient Response

(See Figure 2, VCC = 5V)

10mA

AC COUPLED

5mV/DIV

VOUT

IOUT

2ms/DIV

LTC1550/51 • G08

Line Transient Response

(See Figure 2, IL = 10mA)

AC COUPLED

5mV/DIV

5.5V

VOUT

VCC

Minimum Required VCC vs

VOUT and IOUT

FREQUENCY (Hz)

100k

–10

10M

LT1550/51 • G09

FREQUENCY (kHz)

0.01

0.1

100

LTC1550/51 • G10

Spot Noise

(*See Typical Application)

Output Spectrum

(See Figure 2, COUT = 10µF)

FREQUENCY (Hz)

100k

–10

10M

LT1550/51 • G11

VCC = 5V

IL = 5mA

CIN = 4.7µF

COUT = 10µF

CL = 0.1µF

Start-Up Time vs Supply Voltage

SUPPLY VOLTAGE (V)

4.50

1.0

1.2

1.4

5.25 5.50

6.25

6.00

LTC1550/51 G05

0.8

0.6

0.4

4.75 5.00

5.75

1.6

1.8

2.0

6.50

TA = 25°C

VOUT = –4.1V

RL = 390Ω

Maximum Output Current

vs Supply Voltage

SUPPLY VOLTAGE (V)

4.50

5.00

5.50 5.75

LTC1550/51 • TPC04

4.75

5.25

6.00 6.25 6.50

TA = 25°C

– 4.1V

VOUT

SHDN

0.2ms/DIV

LTC1550/51 • G06

Startup Time (LTC1550 Shown)

OUTPUT VOLTAGE (V)

–5

6.0

5.6

5.2

4.8

4.4

4.0

3.6

3.2

2.8

2.4

2.0

–1

LTC1550/51 • G08.5

–4

–3

–2

IOUT = 20mA

IOUT = 10mA

IOUT = 5mA

Output Spectrum

(*See Typical Application)

* On first page of data sheet.

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