LTC1550LCS8-2 datasheet(3/12 Pages) LINER

Part #	LTC1550LCS8-2

Description	Low Noise, Switched Capacitor Regulated Voltage Inverters

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Manufacturer	LINER [Linear Technology]

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LTC1550L/LTC1551L

fOSC

Internal Oscillator Frequency

900

kHz

VOL

REG Output Low Voltage

IREG = 1mA, VCC = 5V

q

0.1

0.8

V

IREG

REG Sink Current

VREG = 0.8V, VCC = 5V

q

410

mA

VIH

SHDN Input High Voltage

VCC = 5V

q

2V

VIL

SHDN Input Low Voltage

VCC = 5V

q

0.8

V

IIN

SHDN Input Current

VSHDN = VCC (All LTC1550L Versions)

q

0.1

1

µA

VSHDN = VCC (All LTC1551L Versions)

q

520

µA

tON

Turn-On Time

VCC = 5V, IOUT = 10mA, –1.5V ≤ VOUT ≤ 4.1V

q

15

ms

(LTC1550L/LTC1551L)

VCC = 5V, IOUT = 5mA, VOUT = – 4.5V

q

15

ms

(LTC1550L/LTC1551L)

VCC = 5V, IOUT = 10mA, VOUT = – 2V

q

15

ms

(LTC1550L-2)

VCC = 5V, IOUT = 10mA, VOUT = – 2.5V

q

15

ms

(LTC1550L-2.5)

VCC = 5V, IOUT = 10mA, VOUT = – 4.1V

q

15

ms

(LTC1550L-4.1/LTC1551L-4.1)

VOUT

Output Regulation

2.7V

≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 5mA

q

– 1.537

– 1.5

– 1.463

V

(LTC1550L/LTC1551L)

2.8V

≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 10mA

q

– 1.537

– 1.5

– 1.463

V

3.5V

≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 20mA

q

– 1.537

– 1.5

– 1.463

V

VOUT

Output Regulation

2.7V

≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 5mA

q

– 2.05

– 2.0

– 1.95

V

(LTC1550L/LTC1550L-2/

3.1V

≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 10mA

q

– 2.05

– 2.0

– 1.95

V

LTC1551L)

3.75V

≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 20mA

q

– 2.05

– 2.0

– 1.95

V

VOUT

Output Regulation

3.05V

≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 5mA

q

– 2.562

– 2.5

– 2.438

V

(LTC1550L/LTC1550L-2.5/

3.45V

≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 10mA

q

– 2.562

– 2.5

– 2.438

V

LTC1551L)

4.1V

≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 20mA

q

– 2.562

– 2.5

– 2.438

V

VOUT

Output Regulation

3.45V

≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 5mA

q

– 3.075

– 3.0

– 2.925

V

(LTC1550L/LTC1551L)

3.85V

≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 10mA

q

– 3.075

– 3.0

– 2.925

V

4.5V

≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 20mA

q

– 3.075

– 3.0

– 2.925

V

VOUT

Output Regulation

3.9V

≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 5mA

q

– 3.587

– 3.5

– 3.413

V

(LTC1550L/LTC1551L)

4.2V

≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 10mA

q

– 3.587

– 3.5

– 3.413

V

4.85V

≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 20mA

q

– 3.587

– 3.5

– 3.413

V

VOUT

Output Regulation

4.5V

≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 5mA

q

– 4.203

– 4.1

– 3.998

V

(LTC1550L/LTC1550L-4.1)

4.75V

≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 10mA

q

– 4.203

– 4.1

– 3.998

V

(LTC1551L/LTC1551L-4.1)

VOUT

Output Regulation

4.8V

≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 5mA

q

– 4.613

– 4.5

– 4.388

V

(LTC1550L/LTC1551L))

5.1V

≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 10mA

q

– 4.613

– 4.5

– 4.388

V

ISC

Output Short-Circuit Current

VOUT = 0V, VCC = 5.25V

q

80

200

mA

VRIPPLE

Output Ripple Voltage

1mV

The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.

VCC = 2.7V to 5.25V, C1 = CCP = 0.1µF, COUT = 10µF, TA = 25°C unless otherwise specified. (Note 3)

ELECTRICAL CHARACTERISTICS

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Note 1: Absolute Maximum Ratings are those values beyond which the life

of a device may be impaired.

Note 2: All currents into device pins are positive; all currents out of device

pins are negative. All voltages are referenced to ground unless otherwise

specified. All typicals are given at TA = 25°C.

Note 3: The LTC1550LC/LTC1551LC are guaranteed to meet specified

performance from 0

°C to 70°C and are designed, characterized and

expected to meet these extended temperature limits, but are not tested at

–40

°C and 85°C. The LTC1550LI is guaranteed to meet the extended

temperature limits.

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