LTC1986 datasheet(2/8 Pages) LINER

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LTC1986

1986fa

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

of a device may be impaired.

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VIN Operating Voltage

2.6

4.4

VOUT Output Voltage

Shutdown Mode

3V Mode. VIN = 2.85V to 4.4V, IOUT ≤ 10mA

VIN – 0.025

3V Mode, VIN < 2.85V, IOUT < 10mA

2.75

2.9

3.05

5V Mode, VIN < 2.7V, IOUT ≤ 10mA

4.55

5.25

5V Mode, VIN = 2.7V to 4.4V, IOUT ≤ 10mA

4.75

5.25

VIN Operating Current

Shutdown Mode, VMODE = 0V

0.001

µA

3V Mode, IOUT = 0mA

µA

5V Mode, IOUT = 0mA

µA

VIN-to-VOUT ON Resistance

3V Mode, VIN = 3V

2.5

Ω

VOUT Short-Circuit Current

3V or 5V Mode, VOUT = 0V

100

200

VOUT Discharge Resistance

VIN = 3V

200

Ω

Switching Frequency

Oscillator Free-Running

900

kHz

MODE Input Ranges

Shutdown Mode

0VIN/2 – 0.1

5V Mode

VIN/2 + 0.1

VIN – 1.0

3V Mode

VIN – 0.25

VIN

MODE Input Current

–1

µA

Undervoltage Lockout Threshold

1.4

LTC1986ES6

TJMAX = 125°C, θJA = 230°C/ W

ORDER PART

NUMBER

VIN, VOUT to GND .........................................– 0.3V to 6V

All Other Pins to GND .................................. – 0.3V to 6V

VOUT Short-Circuit Duration ............................. Indefinite

Operating Temperature Range

(Note 2) .................................................. – 40

°C to 85°C

Storage Temperature Range ................. – 65

°C to 150°C

Lead Temperature (Soldering, 10 sec).................. 300

°C

(Note 1)

ABSOLUTE MAXIMUM RATINGS

PACKAGE/ORDER INFORMATION

ELECTRICAL CHARACTERISTICS

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

VIN = VMIN to VMAX, MODE = VIN, C1 = 0.047µF, COUT = 2.2µF, unless otherwise specified.

VOUT 1

GND 2

MODE 3

TOP VIEW

S6 PACKAGE

6-LEAD PLASTIC SOT-23

6 VIN

5 C1+

4 C1–

Note 2: The LTC1986E is guaranteed to meet performance specifications

from 0

°C to 70°C. Specifications over the –40°C to 85°C operating

temperature range are assured by design, characterization and correlation

with statistical process controls.

S6 PART MARKING

LTKX

Consult LTC Marketing for parts specified with wider operating temperature ranges.

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