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LM2731 датащи(PDF) 3 Page - Texas Instruments

номер детали LM2731
подробное описание детали   0.6/1.6-MHz Boost Converters With 22-V Internal FET Switch in SOT-23
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производитель  TI [Texas Instruments]
домашняя страница  http://www.ti.com
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LM2731 датащи(HTML) 3 Page - Texas Instruments

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J
A
A
J A
T (MAX) T
125 T
P (MAX)
265
-
-
-
=
=
q
3
FB
2
GND
1
SW
4
5
SHDN
V
IN
formula:
. If power dissipation exceeds the maximum specified above, the internal thermal
LM2731
www.ti.com
SNVS217G – MAY 2004 – REVISED SEPTEMBER 2015
5 Pin Configuration and Functions
DBV Package
5-Pin SOT-23
Top View
Pin Functions
PIN
I/O
DESCRIPTION
NAME
NO.
FB
3
I
Feedback point that connects to external resistive divider.
GND
2
PWR
Analog and power ground
SHDN
4
I
Shutdown control input. Connect to VIN if the feature is not used.
SW
1
O
Drain of the internal FET switch
VIN
5
PWR
Analog and power input
6 Specifications
6.1 Absolute Maximum Ratings
(1)
MIN
MAX
UNIT
Operating Junction Temperature
–40
125
°C
Lead Temperature (Soldering, 5 sec.)
300
°C
Power Dissipation(2)
Internally Limited
FB Pin Voltage
–0.4
6
V
SW Pin Voltage
–0.4
22
V
Input Supply Voltage
–0.4
14.5
V
SHDN Pin Voltage
–0.4
VIN + 0.3
V
Storage Temperature, Tstg
–65
150
°C
(1)
Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings
only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended
Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2)
The maximum power dissipation which can be safely dissipated for any application is a function of the maximum junction temperature,
TJ(MAX) = 125°C, the junction-to-ambient thermal resistance for the SOT-23 package, RθJA = 265°C/W, and the ambient temperature,
TA. The maximum allowable power dissipation at any ambient temperature for designs using this device can be calculated using the
protection circuitry will protect the device by reducing the output voltage as required to maintain a safe junction temperature.
6.2 ESD Ratings
VALUE
UNIT
V(ESD)
Electrostatic discharge
Human body model (HBM), per ANSI/ESDA/JEDEC JS-001(1)(2)
±2000
V
(1)
JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.
(2)
The human body model is a 100-pF capacitor discharged through a 1.5-k
Ω resistor into each pin.
Copyright © 2004–2015, Texas Instruments Incorporated
Submit Documentation Feedback
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