LTC4440IMS8E Просмотр технического описания (PDF) - Linear Technology
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LTC4440IMS8E Datasheet PDF : 12 Pages
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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
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
MS8E
PART MARKING
LTF9
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
S6
PART MARKING
LTZY
ELECTRICAL CHARACTERISTICS The ● denotes 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
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
25
80
● 5.7
6.5
7.3
● 5.4
6.2
7.0
300
Bootstrapped Supply (BOOST – TS)
IBOOST
DC Supply Current
Normal Operation
UVLO
INP = 0V
VBOOST – VTS < UVLOHS(FALLING) – 0.1V, VCC = INP = 5V
110 180
86
170
UVLOHS
Undervoltage Lockout Threshold
VBOOST – VTS Rising
VBOOST – VTS Falling
Hysteresis
● 6.75
7.4
7.95
● 6.25
6.9
7.60
500
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
● 1.3
1.6
2
● 0.85 1.25
1.6
0.350
±0.01 ±2
2
UNITS
µA
µA
V
V
mV
µA
µA
V
V
mV
V
V
V
µA
4440f
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