LTC4440-5 View Datasheet(PDF) - Linear Technology
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Description
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LTC4440-5 Datasheet PDF : 12 Pages
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LTC4440-5
ABSOLUTE MAXIMUM RATINGS (Note 1)
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
TS Voltage (100ms) ..................................... – 5V to 80V
Peak Output Current < 1µs (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
PACKAGE/ORDER INFORMATION
TOP VIEW
INP 1
8 TS
GND 2
VCC 3
9
7 TG
6 BOOST
GND 4
5 NC
MS8E PACKAGE
8-LEAD PLASTIC MSOP
TJMAX = 125°C, θJA = 40°C/W (NOTE 4)
EXPOSED PAD IS GND (PIN 9), MUST BE SOLDERED TO PCB
ORDER PART NUMBER
LTC4440EMS8E-5
MS8E PART MARKING
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/
Consult LTC Marketing for parts specified with wider operating temperature ranges.
TOP VIEW
VCC 1
GND 2
INP 3
6 BOOST
5 TG
4 TS
S6 PACKAGE
6-LEAD PLASTIC SOT-23
TJMAX = 125°C, θJA = 230°C/W
ORDER PART NUMBER
LTC4440ES6-5
S6 PART MARKING
LTBRF
ELECTRICAL CHARACTERISTICS 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.
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX
Main Supply (VCC)
IVCC
DC Supply Current
Normal Operation
UVLO
UVLO Undervoltage Lockout Threshold
INP = 0V
VCC < UVLO Threshold (Falling) – 0.1V
VCC Rising
VCC Falling
Hysteresis
200 325
18
40
● 2.75 3.20 3.65
● 2.60 3.04 3.50
160
Bootstrapped Supply (BOOST – TS)
IBOOST
DC Supply Current
Normal Operation
INP = 0V
INP = 6V
0
310 450
Input Signal (INP)
VIH
VIL
VIH – VIL
IINP
High Input Threshold
Low Input Threshold
Input Voltage Hysteresis
Input Pin Bias Current
INP Ramping High
INP Ramping Low
● 1.2
1.6
2
● 0.8
1.25
1.6
0.350
±0.01 ±2
2
UNITS
µA
µA
V
V
mV
µA
µA
V
V
V
µA
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