LTC3035 datasheet(2/12 Pages) LINER

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LTC3035

3035f

Order Options Tape and Reel: Add #TR

Lead Free: Add #PBF

Lead Free Tape and Reel: Add #TRPBF

Lead Free Part Marking: http://www.linear.com/leadfree/

ABSOLUTE

AXI U

RATI GS

PACKAGE/ORDER I FOR ATIO

(Notes 1, 2)

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

SHDN to GND ............................................. – 0.3V to 6V

CP, CM, BIAS to GND ................................. – 0.3V to 6V

ADJ to GND ................................................ – 0.3V to 6V

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

Operating Junction Temperature

(Note 3) ........................................... – 40

°C to 125°C

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

°C to 125°C

Output Short Circuit Duration .......................... Indefinite

ORDER PART NUMBER

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

LTC3035EDDB

TOP VIEW

DDB PACKAGE

8-LEAD (3mm

× 2mm) PLASTIC DFN

GND

BIAS

SHDN

ADJ

OUT

TJMAX = 125°C, θJA = 76°C/W

EXPOSED PAD (PIN 9) IS GND,MUST BE SOLDERED TO PCB

DDB PART MARKING

LBRM

ELECTRICAL CHARACTERISTICS The ● denotes specifications which apply over the full specified temperature

range, otherwise specifications are at TA = 25°C. VIN = 3.6V, VOUT = 3.3V, CFLY = 0.1µF, COUT = 1µF, CIN = 1µF, CBIAS = 1µF (all

capacitors ceramic) unless otherwise noted.

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VIN Operating Voltage (Note 4)

●

1.7

5.5

VBIAS Output Voltage Range

2.63V < VIN < 5.5V

●

4.8

5.3

1.7V < VIN < 2.63V

●

1.85 • VIN

1.90 • VIN

1.95 • VIN

VOUT Output Voltage Range

●

VADJ

3.6

VIN Operating Current

IOUT = 10µA

●

100

200

µA

VIN Shutdown Current

VSHDN = 0V

µA

VADJ Regulation Voltage (Note 5)

1mA < IOUT < 300mA, 1.7V < VIN < 5.5V,

●

0.392

0.4

0.408

VOUT = 1.5V

IADJ ADJ Input Current

VADJ = 0.4V

●

–50

OUT Load Regulation (Referred to ADJ Pin)

IOUT = 1mA to 300mA

–0.2

Dropout Voltage (Note 6)

VIN = 1.7V, VADJ = 0.37V, IOUT = 300mA

●

100

IOUT Continuous Output Current

●

300

IOUT Short Circuit Output Current

VADJ = VOUT = 0

760

VOUT Output Noise Voltage

F = 10Hz to 100kHz, IOUT = 150mA

150

µVrms

VIH SHDN Input High Voltage

●

1.1

VIL SHDN Input Low Voltage

●

0.3

IIH SHDN Input High Current

SHDN = VIN

–1

µA

IIL SHDN Input Low Current

SHDN = 0V

–1

µA

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

of a device may be impaired.

Note 2: This IC includes overtemperature protection that is intended to

protect the device during momentary overload conditions. Junction

temperature will exceed 125

°C when overtemperature protection is active.

Continuous operation above the specified maximum operating junction

temperature may impair device reliability.

Note 3: The LTC3035 regulator is tested and specified under pulse load

conditions such that TJ ≈ TA. The LTC3035 is 100% production tested at

°C. Performance at –40°C and 125°C is assured by design,

characterization and correlation with statistical process control.

Note 4: Min Operating Input Voltage required for regulation is:

VIN > VOUT + VDROPOUT and VIN > 1.7V

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