LTC4440-5 datasheet(2/12 Pages) LINER

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LTC4440-5

44405fa

Supply Voltage

VCC ....................................................... – 0.3V to 15V

BOOST – TS ......................................... – 0.3V to 15V

INP Voltage ............................................... – 0.3V to 15V

BOOST Voltage (Continuous) ................... – 0.3V to 85V

BOOST Voltage (100ms) .......................... – 0.3V to 95V

TS Voltage (Continuous) ............................. – 5V to 70V

ABSOLUTE MAXIMUM RATINGS

PACKAGE/ORDER INFORMATION

(Note 1)

TS Voltage (100ms) ..................................... – 5V to 80V

Peak Output Current < 1

µs (TG) ............................... 4A

Operating Ambient Temperature Range

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

°C to 85°C

Junction Temperature (Note 3) ............................ 125

°C

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

°C to 150°C

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

°C

VCC 1

GND 2

INP 3

6 BOOST

5 TG

4 TS

TOP VIEW

S6 PACKAGE

6-LEAD PLASTIC SOT-23

The

● denotes specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. VCC = VBOOST = 6V, VTS = GND = 0V, unless otherwise noted.

ELECTRICAL CHARACTERISTICS

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Main Supply (VCC)

IVCC

DC Supply Current

Normal Operation

INP = 0V

200

325

µA

UVLO

VCC < UVLO Threshold (Falling) – 0.1V

µA

UVLO

Undervoltage Lockout Threshold

VCC Rising

●

2.75

3.20

3.65

VCC Falling

●

2.60

3.04

3.50

Hysteresis

160

Bootstrapped Supply (BOOST – TS)

IBOOST

DC Supply Current

Normal Operation

INP = 0V

µA

INP = 6V

310

450

µA

Input Signal (INP)

VIH

High Input Threshold

INP Ramping High

●

1.2

1.6

VIL

Low Input Threshold

INP Ramping Low

●

0.8

1.25

1.6

VIH – VIL

Input Voltage Hysteresis

0.350

IINP

Input Pin Bias Current

±0.01

±2

µA

TJMAX = 125°C, θJA = 40°C/W (NOTE 4)

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

MS8E PART MARKING

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

LTBRG

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/

INP

GND

VCC

GND

BOOST

TOP VIEW

MS8E PACKAGE

8-LEAD PLASTIC MSOP

ORDER PART NUMBER

LTC4440EMS8E-5

TJMAX = 125°C, θJA = 230°C/W

S6 PART MARKING

LTBRF

ORDER PART NUMBER

LTC4440ES6-5

LTC4440-5 数据表(PDF) 2 Page - Linear Technology

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