LTC4440 Просмотр технического описания (PDF) - Linear Technology
Номер в каталоге
Компоненты Описание
производитель
LTC4440 Datasheet PDF : 14 Pages
| |||
LTC4440
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 95V
BOOST Voltage (100ms)............................–0.3V to 115V
TS Voltage (Continuous)................................ –5V to 80V
TS Voltage (100ms)..................................... –5V to 100V
Peak Output Current < 1µs (TG).................................. 4A
Driver Output TG (with Respect to TS)........ –0.3V to 15V
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
Pin Configuration
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 (PIN 9) IS GND, MUST BE SOLDERED TO PCB
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 Information
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
LTC4440EMS8E#PBF
LTC4440EMS8E#TRPBF LTF9
8-Lead Plastic MSOP
LTC4440ES6#PBF
LTC4440ES6#TRPBF
LTZY
6-Lead Plastic SOT-23
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Consult LTC Marketing for information on nonstandard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
Electrical Characteristics The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = VBOOST = 12V, VTS = GND = 0V, unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX UNITS
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
250 400
µA
25
80
µA
l 5.7
6.5
7.3
V
l 5.4
6.2
7.0
V
300
mV
Bootstrapped Supply (BOOST – TS)
IBOOST
DC Supply Current
Normal Operation
UVLO
INP = 0V
VBOOST – VTS < UVLOHS(FALLING) – 0.1V, VCC = INP = 5V
110 180
µA
86
170
µA
4440fa
2
For more information www.linear.com/LTC4440
Share Link: 